submission_id stringlengths 10 10 | problem_id stringlengths 6 6 | language stringclasses 3 values | code stringlengths 1 522k | compiler_output stringlengths 43 10.2k |
|---|---|---|---|---|
s840752178 | p03844 | C++ | #include<iostream>
#include<string>
using namespace std;
int main(void){
int a, c;
string b;
cin >> a >> b >> c;
if(b = "+") cout << a + c <<endl;
else cout << a-c <<endl;
return 0;
} | a.cc: In function 'int main()':
a.cc:8:8: error: could not convert 'b.std::__cxx11::basic_string<char>::operator=(((const char*)"+"))' from 'std::__cxx11::basic_string<char>' to 'bool'
8 | if(b = "+") cout << a + c <<endl;
| ~~^~~~~
| |
| std::__cxx11::basic_string<char>
|
s797700197 | p03844 | C++ | #include"bits/stdc++.h"
using namespace std;
int main(){
int a,b;
char c
cin >> a >> c >> b;
if (c=='+') cout << a+b << endl;
else cout << a-b << endl;
} | a.cc: In function 'int main()':
a.cc:7:3: error: expected initializer before 'cin'
7 | cin >> a >> c >> b;
| ^~~
a.cc:8:7: error: 'c' was not declared in this scope
8 | if (c=='+') cout << a+b << endl;
| ^
|
s758936142 | p03844 | C++ | #include <iostream>
using namespace std;
int main() {
int a,b;
char op;
cin >> a >> op >> b;
if(op=='+''){
cout << a+b;
}
if(op=='-'){
cout << a-b;
}
return 0;
} | a.cc:8:19: warning: missing terminating ' character
8 | if(op=='+''){
| ^
a.cc:8:19: error: missing terminating ' character
8 | if(op=='+''){
| ^~~
a.cc: In function 'int main()':
a.cc:8:19: error: expected ';' before 'cout'
8 | if(op=='+''){
| ^
| ;
9 | cout << a+b;
| ~~~~
a.cc:10:9: error: expected primary-expression before '}' token
10 | }
| ^
a.cc:9:29: error: expected ')' before '}' token
9 | cout << a+b;
| ^
| )
10 | }
| ~
a.cc:8:11: note: to match this '('
8 | if(op=='+''){
| ^
a.cc:10:9: error: expected primary-expression before '}' token
10 | }
| ^
a.cc: At global scope:
a.cc:11:9: error: expected unqualified-id before 'if'
11 | if(op=='-'){
| ^~
a.cc:15:9: error: expected unqualified-id before 'return'
15 | return 0;
| ^~~~~~
a.cc:16:1: error: expected declaration before '}' token
16 | }
| ^
|
s655168928 | p03844 | C++ | #include <iostream>
using namespace std;
int main() {
int a;
int b;
char op;
cin >> a >> op >> b;
if(op == '+'){
cout << a+b;
}
if(op == '-'){
cout << a-b;
}
| a.cc: In function 'int main()':
a.cc:18:2: error: expected '}' at end of input
18 | }
| ^
a.cc:4:12: note: to match this '{'
4 | int main() {
| ^
|
s419211800 | p03844 | C++ | #include <iostream>
using namespace std;
int main() {
int a,b;
char op;
cin >> a >> op >> b;
if(op=='+''){
cout << a+b;
}else if(op=='-'){
cout << a-b;
}
return 0;
} | a.cc:8:19: warning: missing terminating ' character
8 | if(op=='+''){
| ^
a.cc:8:19: error: missing terminating ' character
8 | if(op=='+''){
| ^~~
a.cc: In function 'int main()':
a.cc:8:19: error: expected ';' before 'cout'
8 | if(op=='+''){
| ^
| ;
9 | cout << a+b;
| ~~~~
a.cc:10:9: error: expected primary-expression before '}' token
10 | }else if(op=='-'){
| ^
a.cc:9:29: error: expected ')' before '}' token
9 | cout << a+b;
| ^
| )
10 | }else if(op=='-'){
| ~
a.cc:8:11: note: to match this '('
8 | if(op=='+''){
| ^
a.cc:10:9: error: expected primary-expression before '}' token
10 | }else if(op=='-'){
| ^
a.cc: At global scope:
a.cc:10:10: error: expected unqualified-id before 'else'
10 | }else if(op=='-'){
| ^~~~
a.cc:14:9: error: expected unqualified-id before 'return'
14 | return 0;
| ^~~~~~
a.cc:15:1: error: expected declaration before '}' token
15 | }
| ^
|
s690586391 | p03844 | C++ | #include <iostream>
using namespace std;
int main() {
int a;
int b;
char op;
cin >> a >> op >> b;
if(op == '+'){
cout << a+b;
}
if(op == '-'){
cout << a-b;
}
| a.cc: In function 'int main()':
a.cc:18:2: error: expected '}' at end of input
18 | }
| ^
a.cc:4:12: note: to match this '{'
4 | int main() {
| ^
|
s123280451 | p03844 | C++ | #include<iostream>
using namespace std;
int main() {
int a;
int b;
char op;
cin >> a >> op >> b
if(op=='+'){
cout << a+b;
}
if(op=='-'){
cout << a-b;
}
return 0;
} | a.cc: In function 'int main()':
a.cc:9:28: error: expected ';' before 'if'
9 | cin >> a >> op >> b
| ^
| ;
10 | if(op=='+'){
| ~~
|
s786392877 | p03844 | C++ | #include <iostream>
using namespace std;
int main(){
int a;
int b;
char op;
cin >> a >> op >> b;
if(op == "+"){
cout << a+b;
}
if(op == "-"){
cout << a-b;
}
return 0;
} | a.cc: In function 'int main()':
a.cc:9:7: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
9 | if(op == "+"){
| ~~~^~~~~~
a.cc:12:7: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
12 | if(op == "-"){
| ~~~^~~~~~
|
s590721099 | p03844 | C++ | #include <iostream>
using namespace std;
int main() {
int a,b;
char op;
cin >> a >> op >> b;
if(op=='+''){
cout<< a+b;
}else if(op=='-'){
cout <<a-b;
}
return 0;
} | a.cc:8:19: warning: missing terminating ' character
8 | if(op=='+''){
| ^
a.cc:8:19: error: missing terminating ' character
8 | if(op=='+''){
| ^~~
a.cc: In function 'int main()':
a.cc:8:19: error: expected ';' before 'cout'
8 | if(op=='+''){
| ^
| ;
9 | cout<< a+b;
| ~~~~
a.cc:10:9: error: expected primary-expression before '}' token
10 | }else if(op=='-'){
| ^
a.cc:9:28: error: expected ')' before '}' token
9 | cout<< a+b;
| ^
| )
10 | }else if(op=='-'){
| ~
a.cc:8:11: note: to match this '('
8 | if(op=='+''){
| ^
a.cc:10:9: error: expected primary-expression before '}' token
10 | }else if(op=='-'){
| ^
a.cc: At global scope:
a.cc:10:10: error: expected unqualified-id before 'else'
10 | }else if(op=='-'){
| ^~~~
a.cc:14:9: error: expected unqualified-id before 'return'
14 | return 0;
| ^~~~~~
a.cc:15:1: error: expected declaration before '}' token
15 | }
| ^
|
s812305260 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
string A,op,B;
cin >> A >> op >> B;
if ( op == "+" ){
cout << A+B << endl;
}
else{
cout << A-B << endl;
}
} | a.cc: In function 'int main()':
a.cc:12:14: error: no match for 'operator-' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
12 | cout << A-B << endl;
| ~^~
| | |
| | basic_string<[...]>
| basic_string<[...]>
In file included from /usr/include/c++/14/bits/stl_algobase.h:67,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
from a.cc:1:
/usr/include/c++/14/bits/stl_iterator.h:618:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
618 | operator-(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:618:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/bits/stl_iterator.h:1790:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1790 | operator-(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1790:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
12 | cout << A-B << endl;
| ^
In file included from /usr/include/c++/14/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/complex:370:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&, const complex<_Tp>&)'
370 | operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/14/complex:370:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/complex:379:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&, const _Tp&)'
379 | operator-(const complex<_Tp>& __x, const _Tp& __y)
| ^~~~~~~~
/usr/include/c++/14/complex:379:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/complex:388:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const complex<_Tp>&)'
388 | operator-(const _Tp& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/14/complex:388:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/complex:465:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&)'
465 | operator-(const complex<_Tp>& __x)
| ^~~~~~~~
/usr/include/c++/14/complex:465:5: note: candidate expects 1 argument, 2 provided
In file included from /usr/include/c++/14/valarray:605,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const valarray<_Tp>&, const valarray<_Tp>&)'
1197 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1197:1: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::valarray<_Tp>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
1197 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1197:1: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::valarray<_Tp>'
12 | cout << A-B << endl;
| ^
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const typename valarray<_Tp>::value_type&, const valarray<_Tp>&)'
1197 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1197:1: note: template argument deduction/substitution failed:
a.cc:12:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::valarray<_Tp>'
12 | cout << A-B << endl;
| ^
|
s142465518 | p03844 | C++ | #include <iostream>
using namespace std;
int main() {
int a, b;
char op;
cin >> a >> op >> b;
if(op == '+'){
cout >> a + b >> endl;
}
else if(op == '-') {
cout >> a - b >> endl;
}
} | a.cc: In function 'int main()':
a.cc:9:10: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'int')
9 | cout >> a + b >> endl;
| ~~~~ ^~ ~~~~~
| | |
| | int
| std::ostream {aka std::basic_ostream<char>}
a.cc:9:10: note: candidate: 'operator>>(int, int)' (built-in)
9 | cout >> a + b >> endl;
| ~~~~~^~~~~~~~
a.cc:9:10: note: no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int'
In file included from /usr/include/c++/14/string:55,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
835 | operator>>(basic_istream<_CharT, _Traits>& __in,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: template argument deduction/substitution failed:
a.cc:9:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
9 | cout >> a + b >> endl;
| ^
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/cstddef:131:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(byte, _IntegerType)'
131 | operator>>(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:131:5: note: template argument deduction/substitution failed:
a.cc:9:5: note: cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte'
9 | cout >> a + b >> endl;
| ^~~~
In file included from /usr/include/c++/14/istream:1109,
from /usr/include/c++/14/iostream:42:
/usr/include/c++/14/bits/istream.tcc:978:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)'
978 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
| ^~~~~~~~
/usr/include/c++/14/bits/istream.tcc:978:5: note: template argument deduction/substitution failed:
a.cc:9:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
9 | cout >> a + b >> endl;
| ^
/usr/include/c++/14/istream:849:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)'
849 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:849:5: note: template argument deduction/substitution failed:
a.cc:9:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
9 | cout >> a + b >> endl;
| ^
/usr/include/c++/14/istream:854:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)'
854 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:854:5: note: template argument deduction/substitution failed:
a.cc:9:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
9 | cout >> a + b >> endl;
| ^
/usr/include/c++/14/istream:896:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)'
896 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:896:5: note: template argument deduction/substitution failed:
a.cc:9:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
9 | cout >> a + b >> endl;
| ^
/usr/include/c++/14/istream:939:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)'
939 | operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:939:5: note: template argument deduction/substitution failed:
a.cc:9:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
9 | cout >> a + b >> endl;
| ^
/usr/include/c++/14/istream:945:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)'
945 | operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:945:5: note: template argument deduction/substitution failed:
a.cc:9:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
9 | cout >> a + b >> endl;
| ^
/usr/include/c++/14/istream:1099:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
1099 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
/usr/include/c++/14/istream:1099:5: note: template argument deduction/substitution failed:
/usr/include/c++/14/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = int]':
a.cc:9:17: required from here
9 | cout >> a + b >> endl;
| ^
/usr/include/c++/14/istream:1099:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
1099 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
a.cc:12:10: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'int')
12 | cout >> a - b >> endl;
| ~~~~ ^~ ~~~~~
| | |
| | int
| std::ostream {aka std::basic_ostream<char>}
a.cc:12:10: note: candidate: 'operator>>(int, int)' (built-in)
12 | cout >> a - b >> endl;
| ~~~~~^~~~~~~~
a.cc:12:10: note: no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int'
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
835 | operator>>(basic_istream<_CharT, _Traits>& __in,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: template argument deduction/substitution failed:
a.cc:12:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
12 | cout >> a - b >> endl;
| ^
/usr/include/c++/14/cstddef:131:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(byte, _IntegerType)'
131 | operator>>(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:131:5: note: template argument deduction/substitution failed:
a.cc:12:5: note: cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte'
12 | cout >> a - b >> endl;
| ^~~~
/usr/include/c++/14/bits/istream.tcc:978:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)'
978 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
| ^~~~~~~~
/usr/include/c++/14/bits/istream.tcc:978:5: note: template argument deduction/substitution failed:
a.cc:12:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
12 | cout >> a - b >> endl;
| ^
/usr/include/c++/14/istream:849:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)'
849 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:849:5: note: template argument deduction/substitution failed:
a.cc:12:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
12 | cout >> a - b >> endl;
| ^
/usr/include/c++/14/istream:854:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)'
854 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:854:5: note: template argument deduction/substitution failed:
a.cc:12:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
12 | cout >> a - b >> endl;
| ^
/usr/include/c++/14/istream:896:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)'
896 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:896:5: note: template argument deduction/substitution failed:
a.cc:12:17: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream |
s845469665 | p03844 | C++ | a, op, b = input().split(" ")
a, b = int(a), int(b)
if op == "-": print(a-b)
elif op == "+": print(a+b) | a.cc:1:1: error: 'a' does not name a type
1 | a, op, b = input().split(" ")
| ^
|
s612219826 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int a,b,y;
string x;
cin >>a>>x>>b;
if(x=='+'){y=a+b;}
else{y=a-b;}
cout<<y<<endl;
}
| a.cc: In function 'int main()':
a.cc:8:7: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
8 | if(x=='+'){y=a+b;}
| ~^~~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
8 | if(x=='+'){y=a+b;}
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
8 | if(x=='+'){y=a+b;}
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
8 | if(x=='+'){y=a+b;}
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
8 | if(x=='+'){y=a+b;}
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
8 | if(x=='+'){y=a+b;}
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:8:9: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
8 | if(x=='+'){y=a+b;}
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_stri |
s542070036 | p03844 | C++ | #include <bits/stdc++.h>
#define REP(i,n) for(int i=0;i<n;i++)
long long inf=(long long)1E17;
#define i_7 (long long)(1E9+7)
long mod(long a){
long long c=a%i_7;
if(c>=0)return c;
return c+i_7;
}
using namespace std;
bool prime(int n){
if(n==1){
return false;
}else if(n==2){
return true;
}else{
for(int i=2;i<=sqrt(n);i++){
if(n%i==0){
return false;
}
}
return true;
}
}
long long gcd(long long a, long long b){
if(a<b){
swap(a,b);
}
if(a%b==0){
return b;
}else{
return gcd(b,a%b);
}
}
long long lcm(long long x, long long y){
return (x/gcd(x,y))*y;
}
class UnionFind {
public:
//各頂点の親の番号を格納する。その頂点自身が親だった場合は-(その集合のサイズ)を入れる。
vector<int> Parent;
//クラスを作るときは、Parentの値を全て-1にする。
//以下のようにすると全てバラバラの頂点として解釈できる。
UnionFind(int N) {
Parent = vector<int>(N, -1);
}
//Aがどのグループに属しているか調べる
int root(int A) {
if (Parent[A] < 0) return A;
return Parent[A] = root(Parent[A]);
}
//自分のいるグループの頂点数を調べる
int size(int A) {
return -Parent[root(A)];//先祖をrootで取っておきたい。
}
//AとBをくっ付ける
bool connect(int A, int B) {
//AとBを直接つなぐのではなく、root(A)にroot(B)をくっつける
A = root(A);
B = root(B);
if (A == B) {
//すでにくっついてるからくっ付けない
return false;
}
//大きい方(A)に小さいほう(B)をくっ付けたい
//大小が逆だったらAとBをひっくり返す。
if (size(A) < size(B)) swap(A, B);
//Aのサイズを更新する
Parent[A] += Parent[B];
//Bの親をAに変更する
Parent[B] = A;
return true;
}
};
int main(){
int a,b;
string op;
cin>>a>>op>>b;
if(op=='+'){
cout<<a+b<<endl;
}else{
cout<<a-b<<endl;
}
return 0;
}
| a.cc: In function 'int main()':
a.cc:90:8: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
90 | if(op=='+'){
| ~~^~~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
90 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
90 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
90 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
90 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
90 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:90:10: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
90 | if(op=='+'){
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT |
s971409911 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main(){
string a;
int A,B,ans;
cin >> A >> a >> B;
if(a = "+"){
ans = A+B;
}
else{
ans= A-B;
}
cout << ans << endl;
} | a.cc: In function 'int main()':
a.cc:8:8: error: could not convert 'a.std::__cxx11::basic_string<char>::operator=(((const char*)"+"))' from 'std::__cxx11::basic_string<char>' to 'bool'
8 | if(a = "+"){
| ~~^~~~~
| |
| std::__cxx11::basic_string<char>
|
s943812655 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main(){
string a;
int A,B,ans;
cin >> A >> a >> B;
if(a = '+'){
ans = A+B;
}
else{
ans= A-B;
}
cout << ans << endl;
} | a.cc: In function 'int main()':
a.cc:8:8: error: could not convert 'a.std::__cxx11::basic_string<char>::operator=(43)' from 'std::__cxx11::basic_string<char>' to 'bool'
8 | if(a = '+'){
| ~~^~~~~
| |
| std::__cxx11::basic_string<char>
|
s713582160 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main(){
string a;
int A,B,ans;
cin >> A >> a >> B;
if(a == '+'){
ans = A+B;
}
else{
ans= A-B;
}
cout << ans << endl;
} | a.cc: In function 'int main()':
a.cc:8:8: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
8 | if(a == '+'){
| ~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
8 | if(a == '+'){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
8 | if(a == '+'){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
8 | if(a == '+'){
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
8 | if(a == '+'){
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
8 | if(a == '+'){
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:8:11: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
8 | if(a == '+'){
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic |
s253677835 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int x, y;
stirng op;
cin >> x >> op >> y;
if (op == "+") {
cout << x + y << endl;
}
else {
cout << x - y << endl;
}
}
| a.cc: In function 'int main()':
a.cc:6:3: error: 'stirng' was not declared in this scope
6 | stirng op;
| ^~~~~~
a.cc:7:15: error: 'op' was not declared in this scope
7 | cin >> x >> op >> y;
| ^~
|
s601743461 | p03844 | C++ | #include <iostream>
#include <cstdio>
#include <string.h>
#include <stdio.h>
using namespace std;
int main(){
int a;
int b;
int c;
char n1;
char e;
scanf("%d", &a);
scanf("%c", &n1);
scanf("%c", &e);
scanf("%d", &b);
if('+' == e){
c = (a + b);
};
if('-' == e){
c = (a - b);
};
printf("%d\n", c); | a.cc: In function 'int main()':
a.cc:24:23: error: expected '}' at end of input
24 | printf("%d\n", c);
| ^
a.cc:7:11: note: to match this '{'
7 | int main(){
| ^
|
s907938798 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main(){
int A, B, C;
char op;
cin << A << op << B;
if(op == '+'){
C = A + B;
} else if(op == '-'){
C =A - B;
}
cout << C;
} | a.cc: In function 'int main()':
a.cc:7:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
7 | cin << A << op << B;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
a.cc:7:5: note: candidate: 'operator<<(int, int)' (built-in)
7 | cin << A << op << B;
| ~~~~^~~~
a.cc:7:5: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1715:5: note: candidate: 'template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const sub_match<_Bi_iter>&)'
1715 | operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1715:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:41:
/usr/include/c++/14/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)'
125 | operator<<(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:125:5: note: template argument deduction/substitution failed:
a.cc:7:1: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
7 | cin << A << op << B;
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/string_view:763:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/bits/basic_string.h:4077:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
4077 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:4077:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/bitset:1687:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const bitset<_Nb>&)'
1687 | operator<<(std::basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bitset:1687:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/c++/14/bits/ios_base.h:46,
from /usr/include/c++/14/streambuf:43,
from /usr/include/c++/14/bits/streambuf_iterator.h:35,
from /usr/include/c++/14/iterator:66,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:54:
/usr/include/c++/14/system_error:339:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)'
339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
| ^~~~~~~~
/usr/include/c++/14/system_error:339:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/c++/14/memory:80,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:56:
/usr/include/c++/14/bits/shared_ptr.h:70:5: note: candidate: 'template<class _Ch, class _Tr, class _Tp, __gnu_cxx::_Lock_policy _Lp> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __shared_ptr<_Tp, _Lp>&)'
70 | operator<<(std::basic_ostream<_Ch, _Tr>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/shared_ptr.h:70:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/c++/14/istream:41,
from /usr/include/c++/14/sstream:40,
from /usr/include/c++/14/complex:45,
from /usr/include/c++/14/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:563:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)'
563 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:563:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:573:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)'
573 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:573:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:579:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)'
579 | operator<<(basic_ostream<char, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:579:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:590:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)'
590 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:590:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:595:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)'
595 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:595:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:654:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)'
654 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:654:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/c++/14/ostream:1022:
/usr/include/c++/14/bits/ostream.tcc:307:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)'
307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:671:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)'
671 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:671:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:684:5: note: candidate: 'template<class _Traits> std::basic |
s001185262 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main(){
int A, B C;
char op;
cin << A << op << B;
if(op == '+'){
C = A + B;
} else if(op == '-'){
C =A - B;
}
cout << C;
} | a.cc: In function 'int main()':
a.cc:5:10: error: expected initializer before 'C'
5 | int A, B C;
| ^
a.cc:7:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
7 | cin << A << op << B;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
a.cc:7:5: note: candidate: 'operator<<(int, int)' (built-in)
7 | cin << A << op << B;
| ~~~~^~~~
a.cc:7:5: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1715:5: note: candidate: 'template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const sub_match<_Bi_iter>&)'
1715 | operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1715:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:41:
/usr/include/c++/14/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)'
125 | operator<<(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:125:5: note: template argument deduction/substitution failed:
a.cc:7:1: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
7 | cin << A << op << B;
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/string_view:763:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/bits/basic_string.h:4077:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
4077 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:4077:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/bitset:1687:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const bitset<_Nb>&)'
1687 | operator<<(std::basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bitset:1687:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/c++/14/bits/ios_base.h:46,
from /usr/include/c++/14/streambuf:43,
from /usr/include/c++/14/bits/streambuf_iterator.h:35,
from /usr/include/c++/14/iterator:66,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:54:
/usr/include/c++/14/system_error:339:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)'
339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
| ^~~~~~~~
/usr/include/c++/14/system_error:339:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/c++/14/memory:80,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:56:
/usr/include/c++/14/bits/shared_ptr.h:70:5: note: candidate: 'template<class _Ch, class _Tr, class _Tp, __gnu_cxx::_Lock_policy _Lp> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __shared_ptr<_Tp, _Lp>&)'
70 | operator<<(std::basic_ostream<_Ch, _Tr>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/shared_ptr.h:70:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/c++/14/istream:41,
from /usr/include/c++/14/sstream:40,
from /usr/include/c++/14/complex:45,
from /usr/include/c++/14/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:563:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)'
563 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:563:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:573:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)'
573 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:573:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:579:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)'
579 | operator<<(basic_ostream<char, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:579:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:590:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)'
590 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:590:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:595:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)'
595 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:595:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:654:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)'
654 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:654:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
In file included from /usr/include/c++/14/ostream:1022:
/usr/include/c++/14/bits/ostream.tcc:307:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)'
307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << A << op << B;
| ^
/usr/include/c++/14/ostream:671:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)'
671 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:671:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << A << op << B;
| |
s173918070 | p03844 | C++ | #include <iostream>
#include <cstdio>
using namespace std;
int main(){
int a;
int b;
int c;
scanf("%d", &a);
scanf("%d", &b);
c = (a + b);
printf("%d\", c);
return 0;
}
| a.cc:12:8: warning: missing terminating " character
12 | printf("%d\", c);
| ^
a.cc:12:8: error: missing terminating " character
12 | printf("%d\", c);
| ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:13:1: error: expected primary-expression before 'return'
13 | return 0;
| ^~~~~~
|
s454311623 | p03844 | C++ | #include <iostream>
using namespace std;
int main(){
int a, b,
cin >> a >> b;
cout << (a + b) << endl;
}
| a.cc: In function 'int main()':
a.cc:6:5: error: expected initializer before '>>' token
6 | cin >> a >> b;
| ^~
|
s891113421 | p03844 | C++ | a | a.cc:1:1: error: 'a' does not name a type
1 | a
| ^
|
s227395450 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main(){
int a,b;
char op;
cin>>A>>op>>b;
if(op=='+'){
cout << a+b;
}else{
cout<<a-b;
}
return 0;
}
| a.cc: In function 'int main()':
a.cc:7:8: error: 'A' was not declared in this scope
7 | cin>>A>>op>>b;
| ^
|
s802932855 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main(){
string A,B;
char op;
cin>>A>>op>>B;
int a,b,ans;
if(op=='+'){
a=atoi(A);
b=atoi(B);
ans=a+b;
cout << ans;
}else{
a=atoi(A);
b=atoi(B);
ans=a-b;
cout <<ans;
}
return 0;
}
| a.cc: In function 'int main()':
a.cc:11:12: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
11 | a=atoi(A);
| ^
| |
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/cstdlib:79,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
from a.cc:1:
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:12:12: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
12 | b=atoi(B);
| ^
| |
| std::string {aka std::__cxx11::basic_string<char>}
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:16:12: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
16 | a=atoi(A);
| ^
| |
| std::string {aka std::__cxx11::basic_string<char>}
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:17:12: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
17 | b=atoi(B);
| ^
| |
| std::string {aka std::__cxx11::basic_string<char>}
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
|
s751484465 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main(){
string A,op,B;
cin>>A>>op>>B;
int a,b,ans;
if(op=='+'){
a=atoi(A);
b=atoi(B);
ans=a+b;
cout << ans;
}else{
a=atoi(A);
b=atoi(B);
ans=a-b;
cout <<ans;
}
return 0;
}
| a.cc: In function 'int main()':
a.cc:9:8: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
9 | if(op=='+'){
| ~~^~~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
9 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
9 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
9 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
9 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
9 | if(op=='+'){
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
63 |
s247403818 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main(){
char A,op,B;
cin>>A>>op>>B;
int a,b,ans;
if(op=='+'){
a=atoi(A);
b=atoi(B);
ans=a+b;
cout << ans;
}else{
a=atoi(A);
b=atoi(B);
ans=a-b;
cout <<ans;
}
return 0;
}
| a.cc: In function 'int main()':
a.cc:10:12: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
10 | a=atoi(A);
| ^
| |
| char
In file included from /usr/include/c++/14/cstdlib:79,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
from a.cc:1:
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:11:12: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
11 | b=atoi(B);
| ^
| |
| char
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:15:12: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
15 | a=atoi(A);
| ^
| |
| char
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:16:12: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
16 | b=atoi(B);
| ^
| |
| char
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
|
s796307839 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int a,b;
string op;
cin>>a>>op>>b;
if (op==+) {
cout<<a+b<<endl;
}
else {
cout<<a-b<<endl;
}
}
| a.cc: In function 'int main()':
a.cc:8:12: error: expected primary-expression before ')' token
8 | if (op==+) {
| ^
|
s315873498 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int F,S;
string op;
cin >> F >> op >> S;
if(op=='+' ){
cout << F+S << endl;
}
else{
cout << F-S << endl;
}
} | a.cc: In function 'int main()':
a.cc:9:8: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
9 | if(op=='+' ){
| ~~^~~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
9 | if(op=='+' ){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
9 | if(op=='+' ){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if(op=='+' ){
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
9 | if(op=='+' ){
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
9 | if(op=='+' ){
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
9 | if(op=='+' ){
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT |
s991652015 | p03844 | Java | 5 - 7
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.NoSuchElementException;
public class Main {
public static void main(String[] args) throws IOException {
new Main().solve();
}
private void solve() throws IOException {
try {
solveA();
// solveB();
// solveC();
// solveD();
// solveE();
// solveF();
} finally {
if (in != null) {
in.close();
}
if (out != null) {
out.flush();
out.close();
}
}
}
private void solveA() {
int numA = nextInt();
char operand = next().charAt(0);
int numB = nextInt();
int res = operand == '+' ? numA + numB : numA - numB;
out.println(res);
}
private void solveB() {
int numN = nextInt();
out.println("");
}
private void solveC() {
int numN = nextInt();
out.println("");
}
private void solveD() {
int numN = nextInt();
out.println("");
}
private void solveE() {
int numN = nextInt();
out.println("");
}
private void solveF() {
int numN = nextInt();
out.println("");
}
private final PrintWriter out = new PrintWriter(System.out);
private final InputStream in = System.in;
private final byte[] buffer = new byte[1024];
private int ptr = 0;
private int buflen = 0;
private boolean hasNextByte() {
if (ptr < buflen) {
return true;
} else {
ptr = 0;
try {
buflen = in.read(buffer);
} catch (IOException e) {
e.printStackTrace();
}
if (buflen <= 0) {
return false;
}
}
return true;
}
private int readByte() {
if (hasNextByte())
return buffer[ptr++];
else
return -1;
}
private static boolean isPrintableChar(int c) {
return 33 <= c && c <= 126;
}
private void skipUnprintable() {
while (hasNextByte() && !isPrintableChar(buffer[ptr]))
ptr++;
}
public boolean hasNext() {
skipUnprintable();
return hasNextByte();
}
public int nextInt() {
return Integer.parseInt(next());
}
public String next() {
if (!hasNext())
throw new NoSuchElementException();
StringBuilder sb = new StringBuilder();
int b = readByte();
while (isPrintableChar(b)) {
sb.appendCodePoint(b);
b = readByte();
}
return sb.toString();
}
public long nextLong() {
if (!hasNext())
throw new NoSuchElementException();
long n = 0;
boolean minus = false;
int b = readByte();
if (b == '-') {
minus = true;
b = readByte();
}
if (b < '0' || '9' < b) {
throw new NumberFormatException();
}
while (true) {
if ('0' <= b && b <= '9') {
n *= 10;
n += b - '0';
} else if (b == -1 || !isPrintableChar(b)) {
return minus ? -n : n;
} else {
throw new NumberFormatException();
}
b = readByte();
}
}
} | Main.java:1: error: class, interface, enum, or record expected
5 - 7
^
Main.java:3: error: class, interface, enum, or record expected
import java.io.InputStream;
^
Main.java:4: error: class, interface, enum, or record expected
import java.io.PrintWriter;
^
Main.java:5: error: class, interface, enum, or record expected
import java.util.NoSuchElementException;
^
4 errors
|
s438649249 | p03844 | C++ | a, s, b = map(str, input().split())
a = int(a)
b = int(b)
if s == '+':
print(a + b)
else:
print(a - b)
| a.cc:1:1: error: 'a' does not name a type
1 | a, s, b = map(str, input().split())
| ^
|
s475933942 | p03844 | C++ | #include <iostream>
using namespase std;
int main(){
int A, B;
char op;
cin >> A >> op >> B;
if(op == '+'){
cout << A + B << endl;
}else if(op == '-'){
cout << A - B << endl;
}
return 0;
}
| a.cc:3:7: error: expected nested-name-specifier before 'namespase'
3 | using namespase std;
| ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
8 | cin >> A >> op >> B;
| ^~~
| std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
62 | extern istream cin; ///< Linked to standard input
| ^~~
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
10 | cout << A + B << endl;
| ^~~~
| std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
63 | extern ostream cout; ///< Linked to standard output
| ^~~~
a.cc:10:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
10 | cout << A + B << endl;
| ^~~~
| std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
744 | endl(basic_ostream<_CharT, _Traits>& __os)
| ^~~~
a.cc:12:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
12 | cout << A - B << endl;
| ^~~~
| std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
63 | extern ostream cout; ///< Linked to standard output
| ^~~~
a.cc:12:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
12 | cout << A - B << endl;
| ^~~~
| std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
744 | endl(basic_ostream<_CharT, _Traits>& __os)
| ^~~~
|
s047260176 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int A, B, r;
char op;
cin >> A >> op >> B;
if ( op == '+') r = A + B;
else r = A - B;
cout >> r >> endl;
} | a.cc: In function 'int main()':
a.cc:10:8: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'int')
10 | cout >> r >> endl;
| ~~~~ ^~ ~
| | |
| | int
| std::ostream {aka std::basic_ostream<char>}
a.cc:10:8: note: candidate: 'operator>>(int, int)' (built-in)
10 | cout >> r >> endl;
| ~~~~~^~~~
a.cc:10:8: note: no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int'
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:41,
from a.cc:1:
/usr/include/c++/14/cstddef:131:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(byte, _IntegerType)'
131 | operator>>(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:131:5: note: template argument deduction/substitution failed:
a.cc:10:3: note: cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte'
10 | cout >> r >> endl;
| ^~~~
In file included from /usr/include/c++/14/string:55,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
835 | operator>>(basic_istream<_CharT, _Traits>& __in,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/bitset:1597:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, bitset<_Nb>&)'
1597 | operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
| ^~~~~~~~
/usr/include/c++/14/bitset:1597:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
In file included from /usr/include/c++/14/istream:1109,
from /usr/include/c++/14/sstream:40,
from /usr/include/c++/14/complex:45,
from /usr/include/c++/14/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/bits/istream.tcc:978:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)'
978 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
| ^~~~~~~~
/usr/include/c++/14/bits/istream.tcc:978:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:849:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)'
849 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:849:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:854:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)'
854 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:854:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:896:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)'
896 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:896:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:939:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)'
939 | operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:939:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:945:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)'
945 | operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:945:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:1099:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
1099 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
/usr/include/c++/14/istream:1099:5: note: template argument deduction/substitution failed:
/usr/include/c++/14/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = int&]':
a.cc:10:11: required from here
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:1099:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
1099 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
/usr/include/c++/14/complex:509:5: note: candidate: 'template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, complex<_Tp>&)'
509 | operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
| ^~~~~~~~
/usr/include/c++/14/complex:509:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:143:
/usr/include/c++/14/iomanip:76:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Resetiosflags)'
76 | operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:76:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/iomanip:106:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setiosflags)'
106 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:106:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/iomanip:137:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setbase)'
137 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:137:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/iomanip:177:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setfill<_CharT>)'
177 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:177:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
10 | cout >> r >> endl;
| ^
/usr/include/c++/14/iomanip:207:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setprecision)'
207 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:207:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Trait |
s544136065 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int A, B, r;
char op;
cin >> A >> op >> B;
switch (op) {
case '+':
r = A + B;
case '-':
r = A - B;
}
cout >> r >> endl;
} | a.cc: In function 'int main()':
a.cc:14:8: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'int')
14 | cout >> r >> endl;
| ~~~~ ^~ ~
| | |
| | int
| std::ostream {aka std::basic_ostream<char>}
a.cc:14:8: note: candidate: 'operator>>(int, int)' (built-in)
14 | cout >> r >> endl;
| ~~~~~^~~~
a.cc:14:8: note: no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int'
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:41,
from a.cc:1:
/usr/include/c++/14/cstddef:131:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(byte, _IntegerType)'
131 | operator>>(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:131:5: note: template argument deduction/substitution failed:
a.cc:14:3: note: cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte'
14 | cout >> r >> endl;
| ^~~~
In file included from /usr/include/c++/14/string:55,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
835 | operator>>(basic_istream<_CharT, _Traits>& __in,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/bitset:1597:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, bitset<_Nb>&)'
1597 | operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
| ^~~~~~~~
/usr/include/c++/14/bitset:1597:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
In file included from /usr/include/c++/14/istream:1109,
from /usr/include/c++/14/sstream:40,
from /usr/include/c++/14/complex:45,
from /usr/include/c++/14/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/bits/istream.tcc:978:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)'
978 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
| ^~~~~~~~
/usr/include/c++/14/bits/istream.tcc:978:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:849:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)'
849 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:849:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:854:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)'
854 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:854:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:896:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)'
896 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:896:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:939:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)'
939 | operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:939:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:945:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)'
945 | operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:945:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:1099:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
1099 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
/usr/include/c++/14/istream:1099:5: note: template argument deduction/substitution failed:
/usr/include/c++/14/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = int&]':
a.cc:14:11: required from here
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/istream:1099:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
1099 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
/usr/include/c++/14/complex:509:5: note: candidate: 'template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, complex<_Tp>&)'
509 | operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
| ^~~~~~~~
/usr/include/c++/14/complex:509:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:143:
/usr/include/c++/14/iomanip:76:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Resetiosflags)'
76 | operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:76:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/iomanip:106:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setiosflags)'
106 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:106:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/iomanip:137:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setbase)'
137 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:137:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/iomanip:177:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setfill<_CharT>)'
177 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:177:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
14 | cout >> r >> endl;
| ^
/usr/include/c++/14/iomanip:207:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _Setprecision)'
207 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
| ^~~~~~~~
/usr/include/c++/14/iomanip:207:5: note: template argument deduction/substitution failed:
a.cc:14:11: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Trait |
s960789165 | p03844 | C | #include <stdio.h>
int main (){
int n;
int t[101];
int m;
int p[101];
int x[101];
int sum = 0;
int i;
scanf("%d" ,&n);
for( i = 0; i < n; i++) {
scanf("%d" &t[i]);
sum = sum + t[i];
}
scanf("%d" ,&m);
for( i = 0; i < m; i++) {
scanf("%d %d" ,&p[i] ,&x[i]);
}
for( i = 0; i < m; i++) {
printf("%d\n" ,sum = t[p[i] - 1] + x[i]);
}
return 0;
} | main.c: In function 'main':
main.c:17:20: error: invalid operands to binary & (have 'char *' and 'int')
17 | scanf("%d" &t[i]);
| ~~~~ ^~~~~
| | |
| char * int
|
s875806891 | p03844 | C++ | #include<iostream>
#include<string>
using namespace std;
int main(){
int A,B;
string op;
cin>>A>>op>>B;
if(op=='+') cout<<A+B<<endl;
else cout<<A-B<<endl;
} | a.cc: In function 'int main()':
a.cc:9:8: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
9 | if(op=='+') cout<<A+B<<endl;
| ~~^~~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
In file included from /usr/include/c++/14/string:43,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
637 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:637:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
/usr/include/c++/14/string_view:644:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
644 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:644:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3755 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'char'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3772 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const _CharT*' and 'char'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3819:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3819 | operator==(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3819:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/tuple:2558:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator==(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
2558 | operator==(const tuple<_TElements...>& __t,
| ^~~~~~~~
/usr/include/c++/14/tuple:2558:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::tuple<_UTypes ...>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
from /usr/include/c++/14/bits/basic_ios.h:37,
from /usr/include/c++/14/ios:46:
/usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator==(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)'
234 | operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
| ^~~~~~~~
/usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: template argument deduction/substitution failed:
a.cc:9:10: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>'
9 | if(op=='+') cout<<A+B<<endl;
| ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/c++allocator.h:33,
from /usr/include/c++/14/bits/allocator.h:46:
/usr/include/c++/14/bits/new_allocator.h:215:9: note: candidate: 'template<class _Up> bool std::operator==(const __new_allocator<char>&, const __new_allocator<_Tp> |
s006448620 | p03844 | C++ | # include <bits/stdc++.h>
using namespace std;
int main() {
int A, B;
string op;
cin >> A >> op >> B;
if(op == '+') cout >> A + B >> endl;
if(op == '-') cout >> A - B >> endl;
return 0;
} | a.cc: In function 'int main()':
a.cc:9:9: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
9 | if(op == '+') cout >> A + B >> endl;
| ~~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:9:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
9 | if(op == '+') cout >> A + B >> endl;
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: |
s909792903 | p03844 | C++ | #include <iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<map>
#include<set>
#include<stack>
#include<queue>
#include<math.h>
using namespace std;
typedef long long ll;
#define int long long
typedef vector<int> VI;
#define fore(i,a) for(auto &i:a)
#define REP(i,n) for(int i=0;i<n;i++)
#define eREP(i,n) for(int i=0;i<=n;i++)
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define eFOR(i,a,b) for(int i=(a);i<=(b);++i)
#define SORT(c) sort((c).begin(),(c).end())
#define rSORT(c) sort((c).rbegin(),(c).rend())
#define LB(x,a) lower_bound((x).begin(),(x).end(),(a))
#define UB(x,a) upper_bound((x).begin(),(x).end(),(a))
#define INF 1000000000
#define LLINF 9223372036854775807
#define mod 1000000007
//vector<vector<int> > dp;
//vector<vector<vector<int> > > vvvi;
//dp=vector<vector<int> >(N, vector<int>(M,0));
//vector<pair<int,int> > v;
//v.push_back(make_pair(x,y));
signed main(){
cin.tie(0);
ios::sync_with_stdio(false);
string s;
int n,m;
cin >>m>> s >> n;
if (s == '-')
cout << m - n << endl;
else
cout << m + n << endl;
return 0;
}
| a.cc: In function 'int main()':
a.cc:42:15: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
42 | if (s == '-')
| ~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
42 | if (s == '-')
| ^~~
In file included from /usr/include/c++/14/string:43,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
42 | if (s == '-')
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
42 | if (s == '-')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
42 | if (s == '-')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
42 | if (s == '-')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
42 | if (s == '-')
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
42 | if (s == '-')
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
42 | if (s == '-')
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
637 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:637:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
42 | if (s == '-')
| ^~~
/usr/include/c++/14/string_view:644:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
644 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:644:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char'
42 | if (s == '-')
| ^~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3755 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'char'
42 | if (s == '-')
| ^~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3772 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: mismatched types 'const _CharT*' and 'char'
42 | if (s == '-')
| ^~~
/usr/include/c++/14/bits/basic_string.h:3819:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3819 | operator==(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3819:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
42 | if (s == '-')
| ^~~
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/tuple:2558:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator==(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
2558 | operator==(const tuple<_TElements...>& __t,
| ^~~~~~~~
/usr/include/c++/14/tuple:2558:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::tuple<_UTypes ...>'
42 | if (s == '-')
| ^~~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
from /usr/include/c++/14/bits/basic_ios.h:37,
from /usr/include/c++/14/ios:46:
/usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator==(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)'
234 | operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
| ^~~~~~~~
/usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: template argument deduction/substitution failed:
a.cc:42:18: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>'
42 | if (s == '-')
| ^~~
In file included from /usr/include/c++/14/vector:66,
from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:2050:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator==(const vector<_Tp, _Alloc>&, const vector<_Tp, _Alloc>&)'
2050 | operator==(con |
s909704943 | p03844 | C++ | #include<iostream>
#include<string>
#include <algorithm>
using namespace std;
int main()
{
int A, B;
char op;
cin >> A >> op >> B;
if(op == "+"){
cout << A + B << endl;
}else{
cout << A - B << endl;
}
return 0;
}
| a.cc: In function 'int main()':
a.cc:11:9: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
11 | if(op == "+"){
| ~~~^~~~~~
|
s799850205 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int A,B;
string op;
cin>>A>>op>>B;
cout<<A op B<<endl;
} | a.cc: In function 'int main()':
a.cc:8:16: error: expected ';' before 'op'
8 | cout<<A op B<<endl;
| ^~~
| ;
|
s708177682 | p03844 | C++ | #include<iostream>
#include<cstdio>
#include<vector>
#include<queue>
#include<map>
#include<unordered_map>
#include<stack>
#include<string>
#include<algorithm>
#include<functional>
#include<cstring>
#include<utility>
#include<bits/stdc++.h>
#include<math.h>
using namespace std;
/**** Type Define ****/
typedef long long ll;
typedef pair<ll, ll> P;
typedef pair<ll, P> Q;
/**** Const List ****/
const ll INF = 1LL << 60;
const ll mod = 1000000007;
const ll dx[4] = {1, 0, -1, 0};
const ll dy[4] = {0, -1, 0, 1};
/**** General Functions ****/
ll gcd(ll a, ll b) {
if (b == 0) return a;
return gcd(b, a % b);
}
ll extgcd(ll a, ll b, ll& x, ll& y) {
if (b == 0) {
x = 1, y = 0; return a;
}
ll q = a/b, g = extgcd(b, a - q*b, x, y);
ll z = x - q * y;
x = y;
y = z;
return g;
}
ll invmod (ll a, ll m) { // a^-1 mod m
ll x, y;
extgcd(a, m, x, y);
x %= m;
if (x < 0) x += m;
return x;
}
ll nCk(ll n, ll k, ll mod) {
ll ans = 1;
for (ll i = n, j = 1; j <= k; i--, j++) ans = (((ans * i) % mod) * invmod(j, mod)) % mod;
return ans;
}
ll lmin(ll a, ll b) { return a > b ? b : a; };
ll lmax(ll a, ll b) { return a > b ? a : b; };
ll lsum(ll a, ll b) { return a + b; };
/**** Zip ****/
template <typename T>
class Zip {
vector<T> d;
bool flag;
public:
Zip() {
flag = false;
}
void add(T x) {
d.push_back(x);
flag = true;
}
ll getNum(T x) { // T need to have operator < !!
if (flag) {
sort(d.begin(), d.end());
d.erase(unique(d.begin(), d.end()), d.end());
flag = false;
}
return lower_bound(d.begin(), d.end(), x) - d.begin();
}
ll size() {
if (flag) {
sort(d.begin(), d.end());
d.erase(unique(d.begin(), d.end()), d.end());
flag = false;
}
return (ll)d.size();
}
};
/**** Union Find ****/
class UnionFind {
vector<ll> par, rank; // par > 0: number, par < 0: -par
public:
void init(ll n) {
par.resize(n, 1); rank.resize(n, 0);
}
ll getSize(ll x) {
return par[find(x)];
}
ll find(ll x) {
if (par[x] > 0) return x;
return -(par[x] = -find(-par[x]));
}
void merge(ll x, ll y) {
x = find(x);
y = find(y);
if (x == y) return;
if (rank[x] < rank[y]) {
par[y] += par[x];
par[x] = -y;
} else {
par[x] += par[y];
par[y] = -x;
if (rank[x] == rank[y]) rank[x]++;
}
}
bool isSame(ll x, ll y) {
return find(x) == find(y);
}
};
/**** Segment Tree ****/
template <typename T>
class SegmentTree {
ll n;
vector<T> node;
function<T(T, T)> fun, fun2;
bool customChange;
T outValue, initValue;
public:
void init(ll num, function<T(T, T)> resultFunction, T init, T out, function<T(T, T)> changeFunction = NULL) {
// changeFunction: (input, beforevalue) => newvalue
fun = resultFunction;
fun2 = changeFunction;
customChange = changeFunction != NULL;
n = 1;
while (n < num) n *= 2;
node.resize(2 * n - 1, init);
outValue = out;
initValue = init;
}
void valueChange(ll num, T value) {
num += n-1;
if (customChange) node[num] = fun2(value, node[num]);
else node[num] = value;
while (num > 0) num = (num - 1) / 2, node[num] = fun(node[num * 2 + 1], node[num * 2 + 2]);
}
T rangeQuery(ll a, ll b, ll l = 0, ll r = -1, ll k = 0) { // [a, b)
if (r == -1) r = n;
if (a <= l && r <= b) return node[k];
if (b <= l || r <= a) return outValue;
ll mid = (l + r) / 2;
return fun(rangeQuery(a, b, l, mid, 2*k+1), rangeQuery(a, b, mid, r, 2*k+2));
}
};
/**** LIS ****/
ll lis(ll* a, ll n, ll* dp) {
fill(dp, dp + n, INF);//INFを代入
for (ll i = 0; i < n; i++) *lower_bound(dp, dp + n, a[i]) = a[i];
return (ll)(lower_bound(dp, dp + n, INF) - dp);
}
/**** main function ****/
ll a,b;
string op;
int main(){
cin>>a>>op>>b;
if(op=='+'){
cout<<a+b<<endl;
}else{
cout<<a-b<<endl;
}
}
| a.cc: In function 'int main()':
a.cc:182:14: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
182 | if(op=='+'){
| ~~^~~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:13:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
182 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
182 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/string:43,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
182 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
182 | if(op=='+'){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
182 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
182 | if(op=='+'){
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:182:16: note: 'std::__cxx11::ba |
s315196121 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
using Int = long long;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int A, B;
string op;
cin >> A >> op >> B;
if (op == '+') {
cout << A + B;
} else {
cout << A - B;
}
} | a.cc: In function 'int main()':
a.cc:15:8: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
15 | if (op == '+') {
| ~~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
15 | if (op == '+') {
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
15 | if (op == '+') {
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
15 | if (op == '+') {
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
15 | if (op == '+') {
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
15 | if (op == '+') {
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:15:11: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
15 | if (op == '+') {
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_st |
s240314507 | p03844 | Java | /*
この問題はABC_50_Aである
opが"+"ならaとbを足し、"-"ならaとbを引く
*/
import java.util.*;
public class Addition_and_Subtraction_Easy{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
String op = sc.next();
int b = sc.nextInt();
String plus = "+";
String minus = "-";
if(op.equals(plus)){
System.out.println(a+b);
}
else if(op.equals(minus)){
System.out.println(a-b);
}
}
}
| Main.java:7: error: class Addition_and_Subtraction_Easy is public, should be declared in a file named Addition_and_Subtraction_Easy.java
public class Addition_and_Subtraction_Easy{
^
1 error
|
s326428162 | p03844 | C++ | /*
この問題はABC_50_Aである
opが"+"ならaとbを足し、"-"ならaとbを引く
*/
import java.util.*;
public class Addition_and_Subtraction_Easy{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
String op = sc.next();
int b = sc.nextInt();
String plus = "+";
String minus = "-";
if(op.equals(plus)){
System.out.println(a+b);
}
else if(op.equals(minus)){
System.out.println(a-b);
}
}
}
| a.cc:5:1: error: 'import' does not name a type
5 | import java.util.*;
| ^~~~~~
a.cc:5:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:7:1: error: expected unqualified-id before 'public'
7 | public class Addition_and_Subtraction_Easy{
| ^~~~~~
|
s741588460 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
#define cinf(n,x) for(int i=0;i<(n);I++) cin >> x[i];
int main(){
int A,B ;
string op ;
cin >> A >> op >> B ;
if( op == '+')
cout << A+B << endl;
else
cout << A-B << endl;
} | a.cc: In function 'int main()':
a.cc:9:10: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
9 | if( op == '+')
| ~~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
9 | if( op == '+')
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
9 | if( op == '+')
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
9 | if( op == '+')
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
9 | if( op == '+')
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
9 | if( op == '+')
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:9:13: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
9 | if( op == '+')
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool |
s379288596 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
#define FOR(i,n) for(int i=0;i<n;i++)
#define why(n,x) int n;while(cin >>n,n!=x)
#define iFOR(i,x,n)for(int i=x;i<n;i++)
#define unless(flg) if ( !(flg) )
#define read cin<<
#define echo cout<<
#define fin <<'\n'
#define __ <<" "<<
#define ___ <<" "
#define bash push_back
#define ALL(x) x.begin(),x.end()
#define SWAP(a,b) ((a != b) && (a += b,b = a - b,a -= b))
#define cinf(n,x) for(int UNCH=0;UNCH<(n);UNCH++) cin >> x[UNCH];
#define fcin(n,x) for(int UNCH=1;UNCH<=(n);UNCH++) cin>> x[UNCH];
#define memmin(x) memset((x),-1,sizeof((x)))
#define memzer(x) memset((x), 0,sizeof((x)))
#define meminf(x) memset((x),0x3f,sizeof((x)))
#define int long long
typedef long long ll;
typedef pair < int , int > pii;
typedef vector < int > vit;
typedef map < string , int > mstit;
typedef vector < pii > vpi ;
typedef greater < pii > gpi;
typedef priority_queue < pii , vpi , gpi > dijk ;
static const signed int INF = 0x3f3f3f3f;
static const signed long long LINF = 0x3f3f3f3f3f3f3f3fLL;
static const signed int SMOD = 1000000007;
static const signed int NMOD = 1000000009;
static const signed int dx[]={1,0,-1,0,1,1,-1,-1};
static const signed int dy[]={0,-1,0,1,-1,1,-1,1};
bool inside(int x,int y,int w,int h){return (x>=0 && y>=0 && x<w && y<h);}
template<class T>T abs(T &x){return x<0 ? -x : x;}
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
int qp(int a,ll b,int mo){int ans=1;do{if(b&1)ans=1ll*ans*a%mo;a=1ll*a*a%mo;}while(b>>=1);return ans;}
int gcd(int a,int b){return b?gcd(b,a%b):a;}
int n,m,h,w,a,b,c,d;
string str;
signed main(){
char gl;
cin >> a >> gl > >b;
cout << (gl=='+' ? a+b : a-b) fin;
return 0;
}
struct xyz{ xyz(){ cin.tie(0), ios::sync_with_stdio(false); cout <<fixed<<setprecision(12);};}xyzzy;
| a.cc: In function 'int main()':
a.cc:48:20: error: expected primary-expression before '>' token
48 | cin >> a >> gl > >b;
| ^
|
s469088246 | p03844 | C++ | #include<iostream>
#include<cmath>
#include<vector>
#include<set>
#include<algorithm>
#include<tuple>
#include<utility>
#include<cctype>
#include<climits>
#include<map>
#include<queue>
#include<functional>
#include <ios>
#include <iomanip>
using namespace std;
template<class T> void chmax(T& a, T b) {if(a < b){a=b;}}
template<class T> void chmin(T& a, T b) {if(a > b){a=b;}}
#define REP(i,a,n) for(int i=a;i<n;++i)
#define RUP(a,b) ((a+b-1)/(b))
#define ENT "\n"
#define REV(v) reverse(v.begin(),v.end())
#define SRTV(v) sort(v.begin(),v.end())
#define SRTAG(a,n) sort(a,a+n,greater<>())
#define MOD 1000000007
typedef long long ll;
typedef tuple<int,int,bool> Tb;
typedef tuple<ll,ll,ll> Tl;
int atcoder(){
//入力
ll a,c;
string b;
cin >> a >> b >> c;
if(b="+") cout << a+c << ENT;
else cout << a-c << ENT;
return 0;
}
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
atcoder();
return 0;
}
| a.cc: In function 'int atcoder()':
a.cc:38:9: error: could not convert 'b.std::__cxx11::basic_string<char>::operator=(((const char*)"+"))' from 'std::__cxx11::basic_string<char>' to 'bool'
38 | if(b="+") cout << a+c << ENT;
| ~^~~~
| |
| std::__cxx11::basic_string<char>
|
s859559706 | p03844 | C++ | #include<iostream>
#include<cmath>
#include<vector>
#include<set>
#include<algorithm>
#include<tuple>
#include<utility>
#include<cctype>
#include<climits>
#include<map>
#include<queue>
#include<functional>
#include <ios>
#include <iomanip>
using namespace std;
template<class T> void chmax(T& a, T b) {if(a < b){a=b;}}
template<class T> void chmin(T& a, T b) {if(a > b){a=b;}}
#define REP(i,a,n) for(int i=a;i<n;++i)
#define RUP(a,b) ((a+b-1)/(b))
#define ENT "\n"
#define REV(v) reverse(v.begin(),v.end())
#define SRTV(v) sort(v.begin(),v.end())
#define SRTAG(a,n) sort(a,a+n,greater<>())
#define MOD 1000000007
typedef long long ll;
typedef tuple<int,int,bool> Tb;
typedef tuple<ll,ll,ll> Tl;
int atcoder(){
//入力
ll a,c;
string b
cin >> a >> b >> c;
if(b="+") cout << a+c << ENT;
else cout << a-c << ENT;
return 0;
}
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
atcoder();
return 0;
}
| a.cc: In function 'int atcoder()':
a.cc:36:5: error: expected initializer before 'cin'
36 | cin >> a >> b >> c;
| ^~~
a.cc:38:8: error: 'b' was not declared in this scope
38 | if(b="+") cout << a+c << ENT;
| ^
|
s025993237 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main () {
int A, B;
cin >> A >> B;
char op;
cin >> op;
if ( op == +) {
cout << A+B << endl;
}
if ( op == - ) {
cout << A-B << endl;
}
} | a.cc: In function 'int main()':
a.cc:10:15: error: expected primary-expression before ')' token
10 | if ( op == +) {
| ^
a.cc:13:16: error: expected primary-expression before ')' token
13 | if ( op == - ) {
| ^
|
s216121346 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main () {
int A, B;
cin >> A >> B;
string op;
if ( op == +) {
cout << A+B << endl;
}
if ( op == - ) {
cout << A-B << endl;
}
} | a.cc: In function 'int main()':
a.cc:9:15: error: expected primary-expression before ')' token
9 | if ( op == +) {
| ^
a.cc:12:16: error: expected primary-expression before ')' token
12 | if ( op == - ) {
| ^
|
s460096151 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main () {
int A, B;
cin >> A >> B;
string op;
if ( op == +) {
cout << A op B << endl;
}
if ( op == - ) {
cout << A op B << endl;
}
} | a.cc: In function 'int main()':
a.cc:9:15: error: expected primary-expression before ')' token
9 | if ( op == +) {
| ^
a.cc:10:14: error: expected ';' before 'op'
10 | cout << A op B << endl;
| ^~~
| ;
a.cc:12:16: error: expected primary-expression before ')' token
12 | if ( op == - ) {
| ^
a.cc:13:14: error: expected ';' before 'op'
13 | cout << A op B << endl;
| ^~~
| ;
|
s767753144 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main () {
int A, B;
cin >> A >> B;
if ( op == +) {
cout << A op B << endl;
}
if ( op == - ) {
cout << A op B << endl;
}
} | a.cc: In function 'int main()':
a.cc:8:8: error: 'op' was not declared in this scope
8 | if ( op == +) {
| ^~
a.cc:8:15: error: expected primary-expression before ')' token
8 | if ( op == +) {
| ^
a.cc:9:14: error: expected ';' before 'op'
9 | cout << A op B << endl;
| ^~~
| ;
a.cc:11:8: error: 'op' was not declared in this scope
11 | if ( op == - ) {
| ^~
a.cc:11:16: error: expected primary-expression before ')' token
11 | if ( op == - ) {
| ^
a.cc:12:14: error: expected ';' before 'op'
12 | cout << A op B << endl;
| ^~~
| ;
|
s763366336 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main(){
int a,b;
string op;
cin >>a >> op >> b;
if (op = "+"){
cout << a+b << endl;
}else{
cout << a-b << endl;
}
} | a.cc: In function 'int main()':
a.cc:8:10: error: could not convert 'op.std::__cxx11::basic_string<char>::operator=(((const char*)"+"))' from 'std::__cxx11::basic_string<char>' to 'bool'
8 | if (op = "+"){
| ~~~^~~~~
| |
| std::__cxx11::basic_string<char>
|
s086808680 | p03844 | C | #include <stdio.h>
int main(void){
int a,b;
char c[1];
scanf("%d %c &d",&a,&c,&b);
if(char[0]=='+'){printf("%d\n",a+b);}
else{printf("%d\n",a-b);}
return 0;
} | main.c: In function 'main':
main.c:6:4: error: expected expression before 'char'
6 | if(char[0]=='+'){printf("%d\n",a+b);}
| ^~~~
|
s718228595 | p03844 | C | #include <stdio.h>
int main(void){
int a,b
char c[1];
scanf("%d %c &d",&a,%c,&b);
if(char[0]=='+'){printf("%d\n",a+b);}
else{printf("%d\n",a-b);}
return 0;
} | main.c: In function 'main':
main.c:4:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'char'
4 | char c[1];
| ^~~~
main.c:5:21: error: expected expression before '%' token
5 | scanf("%d %c &d",&a,%c,&b);
| ^
main.c:6:4: error: expected expression before 'char'
6 | if(char[0]=='+'){printf("%d\n",a+b);}
| ^~~~
main.c:6:34: error: 'b' undeclared (first use in this function)
6 | if(char[0]=='+'){printf("%d\n",a+b);}
| ^
main.c:6:34: note: each undeclared identifier is reported only once for each function it appears in
|
s794913699 | p03844 | C | include <stdio.h>
int main(void){
int a,b
char c[1];
scanf("%d %c &d",&a,%c,&b);
if(char[0]=='+'){printf("%d\n",a+b);}
else{printf("%d\n",a-b);}
return 0;
} | main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
1 | include <stdio.h>
| ^
|
s000041443 | p03844 | C++ | #include<iostream>
using namespace std;
int main(){int a,b;
string op;
cin>> a >> op >> b; if(op == "+")
else
cout << a + b << endl; cout << a - b << endl;} | a.cc: In function 'int main()':
a.cc:7:1: error: expected primary-expression before 'else'
7 | else
| ^~~~
|
s285454848 | p03844 | C++ | #include<iostream>
using namespace std;
int main(){
int a, b;
string s;
cin << a << s << b;
if (s == "+"){
cout >> a+ b >> endl;}
else{
cout >> a - b >> endl;
} }
| a.cc: In function 'int main()':
a.cc:7:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
7 | cin << a << s << b;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
a.cc:7:5: note: candidate: 'operator<<(int, int)' (built-in)
7 | cin << a << s << b;
| ~~~~^~~~
a.cc:7:5: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/string_view:763:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/bits/basic_string.h:4077:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
4077 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:4077:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << s << b;
| ^
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)'
125 | operator<<(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:125:5: note: template argument deduction/substitution failed:
a.cc:7:1: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
7 | cin << a << s << b;
| ^~~
In file included from /usr/include/c++/14/bits/ios_base.h:46:
/usr/include/c++/14/system_error:339:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)'
339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
| ^~~~~~~~
/usr/include/c++/14/system_error:339:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:563:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)'
563 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:563:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:573:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)'
573 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:573:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:579:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)'
579 | operator<<(basic_ostream<char, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:579:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:590:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)'
590 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:590:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:595:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)'
595 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:595:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:654:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)'
654 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:654:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << s << b;
| ^
In file included from /usr/include/c++/14/ostream:1022:
/usr/include/c++/14/bits/ostream.tcc:307:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)'
307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:671:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)'
671 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:671:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:684:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)'
684 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:684:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:689:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)'
689 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:689:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:810:5: note: candidate: 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)'
810 | operator<<(_Ostream&& __os, const _Tp& __x)
| ^~~~~~~~
/usr/include/c++/14/ostream:810:5: note: template argument deduction/substitution failed:
/usr/include/c++/14/ostream: In substitution of 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_istream<char>&; _Tp = int]':
a.cc:7:8: required from here
7 | cin << a << s << b;
| ^
/usr/include/c++/14/ostream:810:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
810 | operator<<(_Ostream&& __os, const _Tp& __x)
| ^~~~~~~~
a.cc:10:6: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'int')
10 | cout >> a+ b >> endl;}
| ~~~~ ^~ ~~~~
| | |
| | int
| std::ostream {aka std::basic_ostream<char>}
a.cc:10:6: note: candidate: 'operator>>(int, int)' (built-in)
10 | cout >> a+ b >> endl;}
| ~~~~~^~~~~~~
a.cc:10:6: note: no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int'
In file included from /usr/include/c++/14/string:55:
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: candidate: 'template<class _Cha |
s938572355 | p03844 | C++ | #include<iostream>
using namespace std;
int main(){
int a, b;
string s;
cin << a << b;
cin << s ;
if (s == '+'){
cout >> a+ b >> endl;}
else{
cout >> a - b >> endl;
} }
| a.cc: In function 'int main()':
a.cc:7:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
7 | cin << a << b;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
a.cc:7:5: note: candidate: 'operator<<(int, int)' (built-in)
7 | cin << a << b;
| ~~~~^~~~
a.cc:7:5: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/string_view:763:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/bits/basic_string.h:4077:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
4077 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:4077:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)'
125 | operator<<(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:125:5: note: template argument deduction/substitution failed:
a.cc:7:1: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
7 | cin << a << b;
| ^~~
In file included from /usr/include/c++/14/bits/ios_base.h:46:
/usr/include/c++/14/system_error:339:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)'
339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
| ^~~~~~~~
/usr/include/c++/14/system_error:339:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:563:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)'
563 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:563:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:573:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)'
573 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:573:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:579:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)'
579 | operator<<(basic_ostream<char, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:579:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:590:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)'
590 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:590:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:595:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)'
595 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:595:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:654:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)'
654 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:654:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
In file included from /usr/include/c++/14/ostream:1022:
/usr/include/c++/14/bits/ostream.tcc:307:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)'
307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:671:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)'
671 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:671:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:684:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)'
684 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:684:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:689:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)'
689 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:689:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:810:5: note: candidate: 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)'
810 | operator<<(_Ostream&& __os, const _Tp& __x)
| ^~~~~~~~
/usr/include/c++/14/ostream:810:5: note: template argument deduction/substitution failed:
/usr/include/c++/14/ostream: In substitution of 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_istream<char>&; _Tp = int]':
a.cc:7:8: required from here
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:810:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
810 | operator<<(_Ostream&& __os, const _Tp& __x)
| ^~~~~~~~
a.cc:8:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
8 | cin << s ;
| ~~~ ^~ ~
| | |
| | std::string {aka std::__cxx11::basic_string<char>}
| std::istream {aka std::basic_istream<char>}
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/string_view:763:5: note: template argument deduction/subs |
s611191875 | p03844 | C++ | #include<iostream>
using namespace std;
int main(){
int a, b;
char s;
cin << a << b;
cin << s ;
if (s == '+'){
cout >> a+ b >> endl;}
else{
cout >> a - b >> endl;
}
return 0;}
| a.cc: In function 'int main()':
a.cc:7:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
7 | cin << a << b;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
a.cc:7:5: note: candidate: 'operator<<(int, int)' (built-in)
7 | cin << a << b;
| ~~~~^~~~
a.cc:7:5: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/string_view:763:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/bits/basic_string.h:4077:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
4077 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:4077:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)'
125 | operator<<(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:125:5: note: template argument deduction/substitution failed:
a.cc:7:1: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
7 | cin << a << b;
| ^~~
In file included from /usr/include/c++/14/bits/ios_base.h:46:
/usr/include/c++/14/system_error:339:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)'
339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
| ^~~~~~~~
/usr/include/c++/14/system_error:339:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:563:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)'
563 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:563:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:573:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)'
573 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:573:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:579:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)'
579 | operator<<(basic_ostream<char, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:579:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:590:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)'
590 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:590:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:595:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)'
595 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:595:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:654:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)'
654 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:654:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
In file included from /usr/include/c++/14/ostream:1022:
/usr/include/c++/14/bits/ostream.tcc:307:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)'
307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:671:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)'
671 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:671:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:684:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)'
684 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:684:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:689:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)'
689 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:689:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:810:5: note: candidate: 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)'
810 | operator<<(_Ostream&& __os, const _Tp& __x)
| ^~~~~~~~
/usr/include/c++/14/ostream:810:5: note: template argument deduction/substitution failed:
/usr/include/c++/14/ostream: In substitution of 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_istream<char>&; _Tp = int]':
a.cc:7:8: required from here
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:810:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
810 | operator<<(_Ostream&& __os, const _Tp& __x)
| ^~~~~~~~
a.cc:8:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'char')
8 | cin << s ;
| ~~~ ^~ ~
| | |
| | char
| std::istream {aka std::basic_istream<char>}
a.cc:8:5: note: candidate: 'operator<<(int, int)' (built-in)
8 | cin << s ;
| ~~~~^~~~
a.cc:8:5: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT |
s248577153 | p03844 | C++ | #include<iostream>
using namespace std;
int main(){
int a, b;
char s;
cin << a << b;
cin << s ;
if (s == '+'){
cout >> a+ b >> endl;}
else{
cout >> a - b >> endl;
} } | a.cc: In function 'int main()':
a.cc:7:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
7 | cin << a << b;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
a.cc:7:5: note: candidate: 'operator<<(int, int)' (built-in)
7 | cin << a << b;
| ~~~~^~~~
a.cc:7:5: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/string_view:763:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/bits/basic_string.h:4077:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
4077 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:4077:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)'
125 | operator<<(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:125:5: note: template argument deduction/substitution failed:
a.cc:7:1: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
7 | cin << a << b;
| ^~~
In file included from /usr/include/c++/14/bits/ios_base.h:46:
/usr/include/c++/14/system_error:339:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)'
339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
| ^~~~~~~~
/usr/include/c++/14/system_error:339:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:563:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)'
563 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:563:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:573:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)'
573 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:573:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:579:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)'
579 | operator<<(basic_ostream<char, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:579:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:590:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)'
590 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:590:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:595:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)'
595 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:595:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:654:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)'
654 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:654:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
In file included from /usr/include/c++/14/ostream:1022:
/usr/include/c++/14/bits/ostream.tcc:307:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)'
307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:671:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)'
671 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:671:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:684:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)'
684 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:684:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:689:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)'
689 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:689:5: note: template argument deduction/substitution failed:
a.cc:7:8: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:810:5: note: candidate: 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)'
810 | operator<<(_Ostream&& __os, const _Tp& __x)
| ^~~~~~~~
/usr/include/c++/14/ostream:810:5: note: template argument deduction/substitution failed:
/usr/include/c++/14/ostream: In substitution of 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_istream<char>&; _Tp = int]':
a.cc:7:8: required from here
7 | cin << a << b;
| ^
/usr/include/c++/14/ostream:810:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
810 | operator<<(_Ostream&& __os, const _Tp& __x)
| ^~~~~~~~
a.cc:8:5: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'char')
8 | cin << s ;
| ~~~ ^~ ~
| | |
| | char
| std::istream {aka std::basic_istream<char>}
a.cc:8:5: note: candidate: 'operator<<(int, int)' (built-in)
8 | cin << s ;
| ~~~~^~~~
a.cc:8:5: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT |
s291743899 | p03844 | C++ | #include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#define For(i, n) for(int i = 0; i < (n); i ++)
#define Range(c) c.begin(), c.end()
#define RevRange(c) c.begin(), c.end()
#define Cin(T, x) T x; cin >> x;
#define Cins(T, n, xs) vector<T> xs(n); For(i, n) cin >> xs[i];
#define Cout(val) cout << (val) << "\n";
#define Sort(a) sort(Range(a));
#define DeSort(a) sort(RevRange(a));
using namespace std;
using ll = long long;
int main(void){
Cin(int, a);
Cin(string, b);
Cin(int, c);
Cin(int, d);
Cout((b == "+") ? a+b : a-b);
//Cout(() ? "Yes" : "No");
//Cout(() ? "YES" : "NO");
} | a.cc: In function 'int main()':
a.cc:22:24: error: no match for 'operator+' (operand types are 'int' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
22 | Cout((b == "+") ? a+b : a-b);
| ~^~
| | |
| | std::string {aka std::__cxx11::basic_string<char>}
| int
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
In file included from /usr/include/c++/14/string:48,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/stl_iterator.h:627:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename reverse_iterator<_Iterator>::difference_type, const reverse_iterator<_Iterator>&)'
627 | operator+(typename reverse_iterator<_Iterator>::difference_type __n,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:627:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1798:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)'
1798 | operator+(typename move_iterator<_Iterator>::difference_type __n,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1798:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
In file included from /usr/include/c++/14/string:54:
/usr/include/c++/14/bits/basic_string.h:3598:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3598 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3598:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3616:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3616 | operator+(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3616:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: mismatched types 'const _CharT*' and 'int'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3635:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3635 | operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3635:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: deduced conflicting types for parameter '_CharT' ('int' and 'char')
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3652:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3652 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3652:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3670:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
3670 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3670:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3682:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3682 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3682:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3689:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
3689 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3689:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3696:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
3696 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3696:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3719:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
3719 | operator+(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3719:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: mismatched types 'const _CharT*' and 'int'
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << "\n";
| ^~~
/usr/include/c++/14/bits/basic_string.h:3726:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
3726 | operator+(_CharT __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3726:5: note: template argument deduction/substitution failed:
a.cc:22:25: note: deduced conflicting types for parameter '_CharT' ('int' and 'char')
22 | Cout((b == "+") ? a+b : a-b);
| ^
a.cc:10:28: note: in definition of macro 'Cout'
10 | #define Cout(val) cout << (val) << |
s994744453 | p03844 | Java | import java.util.*;
class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int x,y;
String str;
x = sc.nextInt();
str = sc.nextString();
y = sc.nextInt();
if(str == "+"){
System.out.println(x+y);
}
else{
System.out.println(x-y);
}
}
}
| Main.java:9: error: cannot find symbol
str = sc.nextString();
^
symbol: method nextString()
location: variable sc of type Scanner
1 error
|
s396993715 | p03844 | Java | import java.util.*;
class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int x,y;
char c;
x = sc.nextInt();
c = sc.nextChar();
y = sc.nextInt();
if(c == "+"){
System.out.println(x+y);
}
else{
System.out.println(x-y);
}
}
} | Main.java:9: error: cannot find symbol
c = sc.nextChar();
^
symbol: method nextChar()
location: variable sc of type Scanner
Main.java:11: error: bad operand types for binary operator '=='
if(c == "+"){
^
first type: char
second type: String
2 errors
|
s201037897 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int A, B;
string c;
cin >> A >> c >> B;
if(c == '+')
cout << A + B << endl;
if(c == '-')
cout << A - B << endl;
} | a.cc: In function 'int main()':
a.cc:7:8: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
7 | if(c == '+')
| ~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
7 | if(c == '+')
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
7 | if(c == '+')
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
7 | if(c == '+')
| ^~~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
from /usr/include/c++/14/string:42,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
7 | if(c == '+')
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
7 | if(c == '+')
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:7:11: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
7 | if(c == '+')
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_Cha |
s255151472 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int A,B;
char op;
cin >> A>>op>>B;
if(op=='+')
cout << A+B;
if(op=='-')
cout << A-B; | a.cc: In function 'int main()':
a.cc:11:15: error: expected '}' at end of input
11 | cout << A-B;
| ^
a.cc:4:12: note: to match this '{'
4 | int main() {
| ^
|
s414780940 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main()
{
int a, b;
char s;
sin >> a >> s >> b;
if(s == '+')
cout << a + b << endl;
else
cout << a - b << endl;
} | a.cc: In function 'int main()':
a.cc:8:13: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator>>'
8 | sin >> a >> s >> b;
| ~~~~^~~~
|
s176272152 | p03844 | C | #include<Stdio.h>
int main(){
int a,b;
char op;
scanf("%d %c %d",&a,&op,&b);
if(op=='+'){
printf("%d",a+b);
}else{printf("%d",a-b);}
return 0;
} | main.c:1:9: fatal error: Stdio.h: No such file or directory
1 | #include<Stdio.h>
| ^~~~~~~~~
compilation terminated.
|
s706198601 | p03844 | C++ | #include<iostream>
#include<string>
#include<vector>
#include<iomanip>
#include<algorithm>
#include<queue>
#include<stack>
#include<map>
using namespace std;
#define ll long long
int main(){
int a,b;
string op;
cin >> a >> op >> b;
if(op=='+')cout<<a+b;else cout <<a-b;
return 0;
}
| a.cc: In function 'int main()':
a.cc:15:10: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ~~^~~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
In file included from /usr/include/c++/14/string:43,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
637 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:637:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
/usr/include/c++/14/string_view:644:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
644 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:644:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3755 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'char'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3772 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: mismatched types 'const _CharT*' and 'char'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3819:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3819 | operator==(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3819:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/tuple:2558:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator==(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
2558 | operator==(const tuple<_TElements...>& __t,
| ^~~~~~~~
/usr/include/c++/14/tuple:2558:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::tuple<_UTypes ...>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
from /usr/include/c++/14/bits/basic_ios.h:37,
from /usr/include/c++/14/ios:46:
/usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator==(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)'
234 | operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
| ^~~~~~~~
/usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>'
15 | if(op=='+')cout<<a+b;else cout <<a-b;
| ^~~
In file included from /usr/include/c++/14/vector:66,
from a.c |
s000878492 | p03844 | C++ | #include <iostream>
#include <stdlib.h>
int main(void){
char a,b,c;
cin >> a >> b >> c;
if(b=='+'){
cout << atoi(a) + atoi(c) << endl;
}else{
cout << atoi(a) - atoi(c) << endl;
}
} | a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
6 | cin >> a >> b >> c;
| ^~~
| std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
62 | extern istream cin; ///< Linked to standard input
| ^~~
a.cc:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
8 | cout << atoi(a) + atoi(c) << endl;
| ^~~~
| std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
63 | extern ostream cout; ///< Linked to standard output
| ^~~~
a.cc:8:18: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
8 | cout << atoi(a) + atoi(c) << endl;
| ^
| |
| char
In file included from /usr/include/c++/14/cstdlib:79,
from /usr/include/c++/14/ext/string_conversions.h:43,
from /usr/include/c++/14/bits/basic_string.h:4154,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41:
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:8:28: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
8 | cout << atoi(a) + atoi(c) << endl;
| ^
| |
| char
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:8:34: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
8 | cout << atoi(a) + atoi(c) << endl;
| ^~~~
| std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
744 | endl(basic_ostream<_CharT, _Traits>& __os)
| ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
10 | cout << atoi(a) - atoi(c) << endl;
| ^~~~
| std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
63 | extern ostream cout; ///< Linked to standard output
| ^~~~
a.cc:10:18: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
10 | cout << atoi(a) - atoi(c) << endl;
| ^
| |
| char
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:10:28: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
10 | cout << atoi(a) - atoi(c) << endl;
| ^
| |
| char
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
a.cc:10:34: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
10 | cout << atoi(a) - atoi(c) << endl;
| ^~~~
| std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
744 | endl(basic_ostream<_CharT, _Traits>& __os)
| ^~~~
|
s948713428 | p03844 | C++ | #include <iostream>
#include <algorithm>
#include <math.h>
#include <string>
using namespace std;
int main(){
int A,B, C, D ,E ,F;
string S,Sa,Sb,Sc;
cin >> A >> S >> B;
if(S == '+')cout << A + B << endl;
else cout << A - B << endl;
return 0;
} | a.cc: In function 'int main()':
a.cc:10:8: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
10 | if(S == '+')cout << A + B << endl;
| ~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
In file included from /usr/include/c++/14/string:43,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
637 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:637:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
/usr/include/c++/14/string_view:644:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
644 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:644:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char'
10 | if(S == '+')cout << A + B << endl;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3755 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'char'
10 | if(S == '+')cout << A + B << endl;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3772 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: mismatched types 'const _CharT*' and 'char'
10 | if(S == '+')cout << A + B << endl;
| ^~~
/usr/include/c++/14/bits/basic_string.h:3819:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3819 | operator==(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3819:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/tuple:2558:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator==(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
2558 | operator==(const tuple<_TElements...>& __t,
| ^~~~~~~~
/usr/include/c++/14/tuple:2558:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::tuple<_UTypes ...>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
from /usr/include/c++/14/bits/basic_ios.h:37,
from /usr/include/c++/14/ios:46:
/usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator==(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)'
234 | operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
| ^~~~~~~~
/usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: template argument deduction/substitution failed:
a.cc:10:11: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>'
10 | if(S == '+')cout << A + B << endl;
| ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/c++allocator.h:33,
from /usr/include/c++/14/bits/allocator.h:46:
/usr/include/c++/14/bits/new_allo |
s953995367 | p03844 | C | #include <stdio.h>
int main(){
int a,b;
char o[2];
scanf("%d%c%d",&a,&o,%b);
if(o=='+')
printf("%d",a+b);
else
printf("%d",a-b);
return 0;
} | main.c: In function 'main':
main.c:5:24: error: expected expression before '%' token
5 | scanf("%d%c%d",&a,&o,%b);
| ^
main.c:6:7: warning: comparison between pointer and integer
6 | if(o=='+')
| ^~
|
s905541965 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std ;
int main () {
int a , b ;
char op ;
cin << a << op << b ;
if ( op == '+' ) {
cout << a + b << endl ;
} else {
cout << a - b << endl ;
}
} | a.cc: In function 'int main()':
a.cc:8:7: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int')
8 | cin << a << op << b ;
| ~~~ ^~ ~
| | |
| | int
| std::istream {aka std::basic_istream<char>}
a.cc:8:7: note: candidate: 'operator<<(int, int)' (built-in)
8 | cin << a << op << b ;
| ~~~~^~~~
a.cc:8:7: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:1:
/usr/include/c++/14/bits/regex.h:1715:5: note: candidate: 'template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const sub_match<_Bi_iter>&)'
1715 | operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1715:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:41:
/usr/include/c++/14/cstddef:125:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)'
125 | operator<<(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:125:5: note: template argument deduction/substitution failed:
a.cc:8:3: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
8 | cin << a << op << b ;
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/string_view:763:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)'
763 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/string_view:763:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
/usr/include/c++/14/bits/basic_string.h:4077:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
4077 | operator<<(basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:4077:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
/usr/include/c++/14/bitset:1687:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const bitset<_Nb>&)'
1687 | operator<<(std::basic_ostream<_CharT, _Traits>& __os,
| ^~~~~~~~
/usr/include/c++/14/bitset:1687:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
In file included from /usr/include/c++/14/bits/ios_base.h:46,
from /usr/include/c++/14/streambuf:43,
from /usr/include/c++/14/bits/streambuf_iterator.h:35,
from /usr/include/c++/14/iterator:66,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:54:
/usr/include/c++/14/system_error:339:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)'
339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
| ^~~~~~~~
/usr/include/c++/14/system_error:339:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
In file included from /usr/include/c++/14/memory:80,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:56:
/usr/include/c++/14/bits/shared_ptr.h:70:5: note: candidate: 'template<class _Ch, class _Tr, class _Tp, __gnu_cxx::_Lock_policy _Lp> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __shared_ptr<_Tp, _Lp>&)'
70 | operator<<(std::basic_ostream<_Ch, _Tr>& __os,
| ^~~~~~~~
/usr/include/c++/14/bits/shared_ptr.h:70:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
In file included from /usr/include/c++/14/istream:41,
from /usr/include/c++/14/sstream:40,
from /usr/include/c++/14/complex:45,
from /usr/include/c++/14/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:563:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)'
563 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:563:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
/usr/include/c++/14/ostream:573:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)'
573 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:573:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
/usr/include/c++/14/ostream:579:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)'
579 | operator<<(basic_ostream<char, _Traits>& __out, char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:579:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a << op << b ;
| ^
/usr/include/c++/14/ostream:590:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)'
590 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:590:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a << op << b ;
| ^
/usr/include/c++/14/ostream:595:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)'
595 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
| ^~~~~~~~
/usr/include/c++/14/ostream:595:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a << op << b ;
| ^
/usr/include/c++/14/ostream:654:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)'
654 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:654:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
In file included from /usr/include/c++/14/ostream:1022:
/usr/include/c++/14/bits/ostream.tcc:307:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)'
307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a << op << b ;
| ^
/usr/include/c++/14/ostream:671:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)'
671 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
| ^~~~~~~~
/usr/include/c++/14/ostream:671:5: note: template argument deduction/substitution failed:
a.cc:8:10: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a << op << b ;
|
s738178791 | p03844 | C | #include <iostream>
using namespace std;
int main(void){
long a, b;
char c;
cin>>a>>c>>b;
if(c=='+')
cout<<a+b<<endl;
else
cout<<a-b<<endl;
return 0;
} | main.c:1:10: fatal error: iostream: No such file or directory
1 | #include <iostream>
| ^~~~~~~~~~
compilation terminated.
|
s524300157 | p03844 | C | #include <iostream>
using namespace std;
int main(void){
int a, b;
char c;
cin>>a>>c>>b;
if(c=='+')
cout<<a+b<<endl;
else
cout<<a-b<<endl;
return 0;
} | main.c:1:10: fatal error: iostream: No such file or directory
1 | #include <iostream>
| ^~~~~~~~~~
compilation terminated.
|
s824154356 | p03844 | C++ | #include <stdio.h>
int a,b;
char op;
int main()
{
scanf("%d %c %d",&a,%op,&b);
if(op == '+') a+=b;
else a-=b;
printf("%d",a);
return 0;
} | a.cc: In function 'int main()':
a.cc:8:23: error: expected primary-expression before '%' token
8 | scanf("%d %c %d",&a,%op,&b);
| ^
|
s953039867 | p03844 | C++ | #include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <cmath>
#include <cstring>
#include <iomanip>
#include <random>
#include <chrono>
#include <queue>
using namespace std;
typedef long long ll;
typedef pair<int, int> PII;
typedef pair<ll, ll> PLL;
#define INF 1000000000
#define MOD 1000000007
int main(){
int a; cin >> a;
char b; cin >> b;
int c; cin >> c;
if(b=='+') cout << a + c << endl;
else cout << a - c << endl;
cout << s << endl;
}
| a.cc: In function 'int main()':
a.cc:26:13: error: 's' was not declared in this scope
26 | cout << s << endl;
| ^
|
s934770526 | p03844 | C++ |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fw(p) for(int w=0;w<(p);w++)
#define fx(p) for(int x=0;x<(p);x++)
#define fy(p) for(int y=0;y<(p);y++)
#define fz(p) for(int z=0;z<(p);z++)
#define fyg(p,g) for(int y=(g);y<(p);y++)
#define fzg(p,g) for(int z=(g);z<(p);z++)
#define ce(d) cout<<d<<endl;
#define vecp(p) int aa;cin>>aa;(p).push_back(aa);
#define vecpl(p) long long aa;cin>>aa;(p).push_back(aa);
#define vecps(p) string aa;cin>>aa;(p).push_back(aa);
#define vecp2(p) cin>>aa;(p).push_back(aa);
#define vecpl2(p) long long ab;cin>>ab;(p).push_back(ab);
#define vecps2(p) string ab;cin>>ab;(p).push_back(ab);
#define set0(k,n) for(int nn=0;nn<(n);nn++){ (k).push_back(0); }
#define sorts(c) sort((c).begin(),(c).end());
#define reverses(c) reverse((c).begin(),(c).end());
#define vec(b) vector<int> (b);
#define vecl(b) vector<long long> (b);
#define vecs(b) vector<string> (b);
#define vecsize(b,size) vector<int> (b)((size));
#define pb(b,a) (b).push_back((a));
#define doublece(a,b) cout<<(a)<<' '<<(b)<<endl;
#define pairs(s) vector<pair<int,int>> (s);
#define pairsl(s) vector<pair<ll,ll>> (s);
#define pairss(s) vector<pair<string,string>> (s);
#define pairsp(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairspl(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairsps(s) int aa,bb;cin>>aa>>bb;(s).push_back(make_pair(aa,bb));
#define pairsREV(s) (s).push_back(make_pair(bb,aa));
#define pairslREV(s) (s).push_back(make_pair(bb,aa));
#define pairssREV(s) (s).push_back(make_pair(bb,aa));
#define MOD 1000000007
int main() {
ll A,B;
char op:
cin>>A>>op>>B;
if(op=='+'){
ce(A+B)
}else{
ce(A-B)
}
} | a.cc: In function 'int main()':
a.cc:41:16: error: found ':' in nested-name-specifier, expected '::'
41 | char op:
| ^
| ::
a.cc:41:14: error: 'op' has not been declared
41 | char op:
| ^~
a.cc:42:12: error: qualified-id in declaration before '>>' token
42 | cin>>A>>op>>B;
| ^~
a.cc:43:12: error: 'op' was not declared in this scope
43 | if(op=='+'){
| ^~
|
s984386684 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main(){
str b;
int a,c;
cin>>a>>b>>c;
if (b=="+")
cout<<a+c<<endl;
else
cout<<a-c<<endl;
} | a.cc: In function 'int main()':
a.cc:4:9: error: 'str' was not declared in this scope; did you mean 'std'?
4 | str b;
| ^~~
| std
a.cc:6:17: error: 'b' was not declared in this scope
6 | cin>>a>>b>>c;
| ^
|
s153743983 | p03844 | C++ | astr, op, bstr = input().split()
a = int(astr)
b = int(bstr)
if op == '+':
print(a + b)
elif op == '-':
print(a - b)
| a.cc:1:1: error: 'astr' does not name a type
1 | astr, op, bstr = input().split()
| ^~~~
|
s220100873 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main(int argc, char const *argv[])
{
int A;
int B;
char op;
cin>>A>>op>>B;
int C=A+B;
int D=A-B;
if (op=='+') {
cout<<C
}
else
{
cout<<D;
}
return 0;
} | a.cc: In function 'int main(int, const char**)':
a.cc:15:16: error: expected ';' before '}' token
15 | cout<<C
| ^
| ;
16 | }
| ~
|
s180079008 | p03844 | C++ | #include "stdafx.h"
#include <iostream>
using namespace std;
int main(void)
{
int a;
int b;
string c;
cin >> a;
cin >> c;
if (c == "+") {
cin >> b;
cout << a + b << endl;
}
else {
cin >> b;
cout << a - b << endl;
}
return 0;
}
| a.cc:1:10: fatal error: stdafx.h: No such file or directory
1 | #include "stdafx.h"
| ^~~~~~~~~~
compilation terminated.
|
s107890404 | p03844 | C++ | #include <iostream>
using namespace std;
int main(){
| a.cc: In function 'int main()':
a.cc:5:12: error: expected '}' at end of input
5 | int main(){
| ~^
|
s623431831 | p03844 | C++ | #include <iostream>
using namespace std;
int main(void)
{
int a;
int b;
string c;
cin >> a;
cin >> c;
if(c=="+"){
cin >> b;
cout << a+b << endl;
}else{
cin >> b;
cout << a-b << endl
}
return 0;
}
| a.cc: In function 'int main()':
a.cc:18:28: error: expected ';' before '}' token
18 | cout << a-b << endl
| ^
| ;
19 | }
| ~
|
s982824144 | p03844 | C++ | int main()
{
int A, B;
char OP;
//文字入力
scanf("%d", &A);
scanf("%c", &OP);
scanf("%d", &B);
switch (OP) {
case '+' :A+= B;break;
case '-':A -= B; break;
}
printf("%d", A );
return 0;
}
| a.cc: In function 'int main()':
a.cc:6:17: error: 'scanf' was not declared in this scope
6 | scanf("%d", &A);
| ^~~~~
a.cc:13:17: error: 'printf' was not declared in this scope
13 | printf("%d", A );
| ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
+++ |+#include <cstdio>
1 | int main()
|
s680411507 | p03844 | C | // 競技プログラミング.cpp : アプリケーションのエントリ ポイントを定義します。
//
#include "stdafx.h"
int main()
{
while (true)
{
int A, B;
char OP;
//文字入力
scanf("%d", &A);
scanf("%c", &OP);
scanf("%d", &B);
switch (OP) {
case '+' :A+= B;break;
case '-':A -= B; break;
}
printf("%d", A );
}
return 0;
}
| main.c:4:10: fatal error: stdafx.h: No such file or directory
4 | #include "stdafx.h"
| ^~~~~~~~~~
compilation terminated.
|
s888859436 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
long long A, B;
char op;
cin >> A >> op >> B;
if (op=='+') cout << A + B << endl;
else (op=='-') cout << A - B << endl;
} | a.cc: In function 'int main()':
a.cc:9:17: error: expected ';' before 'cout'
9 | else (op=='-') cout << A - B << endl;
| ^~~~~
| ;
|
s232601522 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main() {
int a,b;
string op;
cin >> a >> op >> b;
int ans;
if (op == "+"){
ans = a + b;
}
if (op == "-"){
ans = a - b;
}
cout << ans << endl;
}z | a.cc:18:2: error: 'z' does not name a type
18 | }z
| ^
|
s677988491 | p03844 | C++ | #include <iostream>
using namespace std;
int main(){
int a,b;
cin >> a >> op >> b;
if(op=="+"){
cout << a+b << endl;
}
else{
cout << a-b << endl;
}
} | a.cc: In function 'int main()':
a.cc:6:13: error: 'op' was not declared in this scope
6 | cin >> a >> op >> b;
| ^~
|
s394383501 | p03844 | C++ | #include <iostream>
using namespace std;
int main(void){
int a,b;
char c;
cin >> a >> c >> b;
cout << (c == "+" ? a + b : a - b) << endl;
return 0;
} | a.cc: In function 'int main()':
a.cc:11:14: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
11 | cout << (c == "+" ? a + b : a - b) << endl;
| ~~^~~~~~
|
s903361814 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main(){
int a,b,c;
char op;
cin >> a >> op >> b;
if (op == "+"){
c = a + b;
}
else {
c = a - b;
}
cout << c <<endl;
} | a.cc: In function 'int main()':
a.cc:8:10: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
8 | if (op == "+"){
| ~~~^~~~~~
|
s851341225 | p03844 | C++ | #include <bits/stdc++.h>
using namespace std;
int main(){
int a,b,c;
char op;
cin >> a >> op >> b;
if(op == "+"){
c = a + b;
}
else {
c = a - b;
}
cout << c <<endl;
} | a.cc: In function 'int main()':
a.cc:8:9: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
8 | if(op == "+"){
| ~~~^~~~~~
|
s247272654 | p03844 | C++ | #include<iostream>
using namespace std;
int main(){
int a,o,b;
cin>>a>>o>>b;
cout<<(o=="+"?a+b;a-b);
return 0;
}
| a.cc: In function 'int main()':
a.cc:7:11: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
7 | cout<<(o=="+"?a+b;a-b);
| ~^~~~~
a.cc:7:20: error: expected ':' before ';' token
7 | cout<<(o=="+"?a+b;a-b);
| ^
| :
a.cc:7:20: error: expected primary-expression before ';' token
a.cc:7:20: error: expected ')' before ';' token
7 | cout<<(o=="+"?a+b;a-b);
| ~ ^
| )
a.cc:7:24: error: expected ';' before ')' token
7 | cout<<(o=="+"?a+b;a-b);
| ^
| ;
|
s981146112 | p03844 | C++ | #include <cstdio>
#include <iostream>
using namespace std;
int A, B;
char op;
int main() {
cin >> A >> op >> B;
if (op == '+') {
cout << A + B;
}
else cout << A - B;
| a.cc: In function 'int main()':
a.cc:15:28: error: expected '}' at end of input
15 | else cout << A - B;
| ^
a.cc:9:12: note: to match this '{'
9 | int main() {
| ^
|
s126578248 | p03844 | C++ | #include <cstdo>
#include <iostream>
using namespace std;
int A, B;
char op;
int main(){
cin >> A >> op >> B;
if (op = '+') {
cout << A + B;
}
else cout << A - B;
} | a.cc:1:10: fatal error: cstdo: No such file or directory
1 | #include <cstdo>
| ^~~~~~~
compilation terminated.
|
s543455351 | p03844 | C++ |
#include "pch.h"
#include <iostream>
using namespace std;
int A, B;
char op;
int main(){
cin >> A >> op >> B;
if (op = '+') {
cout << A + B;
}
else cout << A - B;
}
| a.cc:2:10: fatal error: pch.h: No such file or directory
2 | #include "pch.h"
| ^~~~~~~
compilation terminated.
|
s633300564 | p03844 | C++ | #include<bits/stdc++.h>
using namespace std;
int main() {
int a, b;
char s;
cin >> a >> c >> b;
if (c == '+') {
cout << a + b << endl;
}
else {
cout << a - b << endl;;
}
} | a.cc: In function 'int main()':
a.cc:6:21: error: 'c' was not declared in this scope
6 | cin >> a >> c >> b;
| ^
|
s189540618 | p03844 | C++ | #include<iostream>
#include<vector>
#include<cstdio>
#include<cstring>
#include<algorithm>
#include<string>
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
ll a, b;
string op;
cin >> a >> op >> b;
if(op == '+') cout << a + b << endl;
else cout << a - b << endl;
}
| a.cc: In function 'int main()':
a.cc:15:9: error: no match for 'operator==' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
15 | if(op == '+') cout << a + b << endl;
| ~~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
from a.cc:7:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
1103 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
1199 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1274 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
1366 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
1534 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1613 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
2186 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::fpos<_StateT>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
In file included from /usr/include/c++/14/string:43,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
235 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::allocator<_CharT>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
441 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
486 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1667 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1737 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed:
a.cc:15:12: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
15 | if(op == '+') cout << a + b << endl;
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47,
from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
629 | operator==(bas |
s495598250 | p03844 | C++ | #include<iostream>
using namespace std;
int main(){
int a,b
string str;
cin >> a >> str >> b;
if(str[0] == '+'){
cout << a + b << '\n';
}
else{
cout << a - b << '\n';
}
return 0;
} | a.cc: In function 'int main()':
a.cc:6:5: error: expected initializer before 'string'
6 | string str;
| ^~~~~~
a.cc:8:17: error: 'str' was not declared in this scope; did you mean 'std'?
8 | cin >> a >> str >> b;
| ^~~
| std
a.cc:8:24: error: 'b' was not declared in this scope
8 | cin >> a >> str >> b;
| ^
|
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