submission_id
stringlengths 10
10
| problem_id
stringlengths 6
6
| language
stringclasses 3
values | code
stringlengths 1
522k
| compiler_output
stringlengths 43
10.2k
|
|---|---|---|---|---|
s492689195
|
p03992
|
C++
|
#include <cstdio>
using namespace std;
int main()
{
char s[20];
gets(s);
for (int i = 0; i < 4; ++i)
putchar(s[i]);
printf(" ");
for (int i = 4; i < 12; ++i)
putchar(s[i]);
printf("\n");
return 0;
}
|
a.cc: In function 'int main()':
a.cc:8:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
8 | gets(s);
| ^~~~
| getw
|
s122137120
|
p03992
|
C
|
#include<stdio.h>
void main(){
scanf("%s", &s);
int i;
char t[12];
for ( i = 0; i < 12; i++ ){
if (i < 4) {
t[i] = s[i];
}else if ( i == 4 ) {
t[i] = ' ';
}else{
t[i+1] = s[i];
}
}
return 0;
}
|
main.c: In function 'main':
main.c:4:22: error: 's' undeclared (first use in this function)
4 | scanf("%s", &s);
| ^
main.c:4:22: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:13: error: stray '\343' in program
6 | char<U+3000>t[12];
| ^~~~~~~~
main.c:17:16: error: 'return' with a value, in function returning void [-Wreturn-mismatch]
17 | return 0;
| ^
main.c:3:6: note: declared here
3 | void main(){
| ^~~~
|
s230560006
|
p03992
|
C++
|
#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main()
{
cin >> str;
for (auto itr = str.begin(); itr != str.end(); ++ itr){
if (*(itr - str.begin()) == 4){
cout << " ";
}
cout << *itr;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:9:12: error: 'str' was not declared in this scope; did you mean 'std'?
9 | cin >> str;
| ^~~
| std
|
s350755638
|
p03992
|
C++
|
#include <cstdio>
using namespace std;
int main()
{
char s[20];
gets(s);
for (int i = 0; i < 4; ++i)
putchar(s[i]);
printf(" ");
for (int i = 4; i < 12; ++i)
putchar(s[i]);
printf("\n");
return 0;
}
|
a.cc: In function 'int main()':
a.cc:8:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
8 | gets(s);
| ^~~~
| getw
|
s417079371
|
p03992
|
C
|
#include <string>
#include <iostream>
int main()
{
char s[13];
scanf("%s", s);
for(int i = 0; i < 13; i++) {
if (i == 3) printf(" ");
printf("%c", s[i]);
}
return 0;
}
|
main.c:1:10: fatal error: string: No such file or directory
1 | #include <string>
| ^~~~~~~~
compilation terminated.
|
s597941171
|
p03992
|
C++
|
#include <cstdlib>
#include <cstdio>
#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <cstring>
using namespace std;
typedef long long LL;
typedef unsigned long long ULL;
#define SIZE(x) (int((x).size()))
#define rep(i,l,r) for (int i=(l); i<=(r); i++)
#define repd(i,r,l) for (int i=(r); i>=(l); i--)
#define rept(i,c) for (typeof((c).begin()) i=(c).begin(); i!=(c).end(); i++)
#ifndef ONLINE_JUDGE
#define debug(x) { cerr<<#x<<" = "<<(x)<<endl; }
#else
#define debug(x) {}
#endif
void lemon()
{
char buf[100]; gets(buf);
rep(i,0,3) printf("%c",buf[i]);
printf(" ");
rep(i,4,11) printf("%c",buf[i]);
}
int main()
{
ios::sync_with_stdio(true);
lemon();
return 0;
}
|
a.cc: In function 'void lemon()':
a.cc:29:24: error: 'gets' was not declared in this scope; did you mean 'getw'?
29 | char buf[100]; gets(buf);
| ^~~~
| getw
|
s167337991
|
p03992
|
C++
|
File Edit Options Buffers Tools C++ Help
#include<bits/stdc++.h>
using namespace std;
main(){
string s;
cin>>s;
for(int i=0;i<4;i++){
cout<<s[i];
}
cout<<" ";
for(int i=4;i<12;i++){
cout<<s[i];
}
cout<<endl;
}
|
a.cc:1:1: error: 'File' does not name a type
1 | File Edit Options Buffers Tools C++ Help
| ^~~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:62,
from /usr/include/c++/14/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
from a.cc:3:
/usr/include/c++/14/ext/type_traits.h:164:35: error: 'constexpr const bool __gnu_cxx::__is_null_pointer' redeclared as different kind of entity
164 | __is_null_pointer(std::nullptr_t)
| ^
/usr/include/c++/14/ext/type_traits.h:159:5: note: previous declaration 'template<class _Type> constexpr bool __gnu_cxx::__is_null_pointer(_Type)'
159 | __is_null_pointer(_Type)
| ^~~~~~~~~~~~~~~~~
/usr/include/c++/14/ext/type_traits.h:164:26: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
164 | __is_null_pointer(std::nullptr_t)
| ^~~~~~~~~
In file included from /usr/include/c++/14/cstddef:50,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:41:
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:443:29: note: 'nullptr_t' declared here
443 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
In file included from /usr/include/c++/14/bits/stl_pair.h:60,
from /usr/include/c++/14/bits/stl_algobase.h:64:
/usr/include/c++/14/type_traits:666:33: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
666 | struct is_null_pointer<std::nullptr_t>
| ^~~~~~~~~
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:443:29: note: 'nullptr_t' declared here
443 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
/usr/include/c++/14/type_traits:666:42: error: template argument 1 is invalid
666 | struct is_null_pointer<std::nullptr_t>
| ^
/usr/include/c++/14/type_traits:670:48: error: template argument 1 is invalid
670 | struct is_null_pointer<const std::nullptr_t>
| ^
/usr/include/c++/14/type_traits:674:51: error: template argument 1 is invalid
674 | struct is_null_pointer<volatile std::nullptr_t>
| ^
/usr/include/c++/14/type_traits:678:57: error: template argument 1 is invalid
678 | struct is_null_pointer<const volatile std::nullptr_t>
| ^
/usr/include/c++/14/type_traits:1429:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1429 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^~~~~~
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:214:23: note: 'size_t' declared here
214 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
/usr/include/c++/14/type_traits:1429:57: error: template argument 1 is invalid
1429 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^
/usr/include/c++/14/type_traits:1429:57: note: invalid template non-type parameter
/usr/include/c++/14/type_traits:1438:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1438 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:214:23: note: 'size_t' declared here
214 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
/usr/include/c++/14/type_traits:1438:46: error: template argument 1 is invalid
1438 | : public integral_constant<std::size_t, 0> { };
| ^
/usr/include/c++/14/type_traits:1438:46: note: invalid template non-type parameter
/usr/include/c++/14/type_traits:1440:26: error: 'std::size_t' has not been declared
1440 | template<typename _Tp, std::size_t _Size>
| ^~~
/usr/include/c++/14/type_traits:1441:21: error: '_Size' was not declared in this scope
1441 | struct rank<_Tp[_Size]>
| ^~~~~
/usr/include/c++/14/type_traits:1441:27: error: template argument 1 is invalid
1441 | struct rank<_Tp[_Size]>
| ^
/usr/include/c++/14/type_traits:1442:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1442 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^~~~~~
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:214:23: note: 'size_t' declared here
214 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
/usr/include/c++/14/type_traits:1442:65: error: template argument 1 is invalid
1442 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^
/usr/include/c++/14/type_traits:1442:65: note: invalid template non-type parameter
/usr/include/c++/14/type_traits:1446:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1446 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^~~~~~
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:214:23: note: 'size_t' declared here
214 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
/usr/include/c++/14/type_traits:1446:65: error: template argument 1 is invalid
1446 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^
/usr/include/c++/14/type_traits:1446:65: note: invalid template non-type parameter
/usr/include/c++/14/type_traits:2086:26: error: 'std::size_t' has not been declared
2086 | template<typename _Tp, std::size_t _Size>
| ^~~
/usr/include/c++/14/type_traits:2087:30: error: '_Size' was not declared in this scope
2087 | struct remove_extent<_Tp[_Size]>
| ^~~~~
/usr/include/c++/14/type_traits:2087:36: error: template argument 1 is invalid
2087 | struct remove_extent<_Tp[_Size]>
| ^
/usr/include/c++/14/type_traits:2099:26: error: 'std::size_t' has not been declared
2099 | template<typename _Tp, std::size_t _Size>
| ^~~
/usr/include/c++/14/type_traits:2100:35: error: '_Size' was not declared in this scope
2100 | struct remove_all_extents<_Tp[_Size]>
| ^~~~~
/usr/include/c++/14/type_traits:2100:41: error: template argument 1 is invalid
2100 | struct remove_all_extents<_Tp[_Size]>
| ^
/usr/include/c++/14/type_traits:2171:12: error: 'std::size_t' has not been declared
2171 | template<std::size_t _Len>
| ^~~
/usr/include/c++/14/type_traits:2176:30: error: '_Len' was not declared in this scope
2176 | unsigned char __data[_Len];
| ^~~~
/usr/include/c++/14/type_traits:2194:12: error: 'std::size_t' has not been declared
2194 | template<std::size_t _Len, std::size_t _Align =
| ^~~
/usr/include/c++/14/type_traits:2194:30: error: 'std::size_t' has not been declared
2194 | template<std::size_t _Len, std::size_t _Align =
| ^~~
/usr/include/c++/14/type_traits:2195:55: error: '_Len' was not declared in this scope
2195 | __alignof__(typename __aligned_storage_msa<_Len>::__type)>
| ^~~~
/usr/include/c++/14/type_traits:2195:59: error: template argument 1 is invalid
2195 | __alignof__(typename __aligned_storage_msa<_Len>::__type)>
| ^
/usr/include/c++/14/type_traits:2202:30: error: '_Len' was not declared in this scope
2202 | unsigned char __data[_Len];
| ^~~~
/usr/include/c++/14/type_traits:2203:44: error: '_Align' was not declared in this scope
2203 | struct __attribute__((__aligned__((_Align)))) { } __align;
| ^~~~~~
In file included from /usr/include/c++/14/bits/stl_tempbuf.h:59,
from /usr/include/c++/14/bits/stl_algo.h:69,
from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/new:131:26: error: declaration of 'operator new' as non-function
131 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~~~
/usr/include/c++/14/new:131:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
131 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:214:23: note: 'size_t' declared here
214 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
/usr/include/c++/14/new:132:41: error: attributes after parenthesized initializer ignored [-fpermissive]
132 | __attribute__((__externally_visible__));
| ^
/usr/include/c++/14/new:133:26: error: declaration of 'operator new []' as non-function
133 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~~~
/usr/include/c++/14/new:133:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
133 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:214:23: note: 'size_t' declared here
214 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
/usr/include/c++/14/new:134:41: error: attributes after parenthesized initializer ignored [-fpermissive]
134 | __attribute__((__externally_visible__));
|
|
s471887639
|
p03992
|
C++
|
#include<iostream>
#include<vector>
#include<string>
#include<math.h>
#include<algorithm>
#include<windows.h>
using namespace std;
#define USINT_MAX 4294967295
int main(){
char a[13];
cin >> a;
for (int i = 13; i > 5; i--) {
a[i] = a[i - 1];
}
a[5] = ' ';
cout << a << endl;
return 0;
}
|
a.cc:6:9: fatal error: windows.h: No such file or directory
6 | #include<windows.h>
| ^~~~~~~~~~~
compilation terminated.
|
s173764058
|
p03992
|
C++
|
#include <bits/stdc++.h>
#define _ ios::sync_with_stdio(0);
#define __ cin.tie(0);
#define ___ cout.tie(0);
#define endl "\n";
#define fr first
#define se second
using namespace std;
int main() { _ __ ___
string s;
cin >> s;
for(int i=0; i<12; i++) {
cout << s[i];
if(i == 3) cout << " ";
}
cout << endll;
return 0;
}
|
a.cc: In function 'int main()':
a.cc:20:9: error: 'endll' was not declared in this scope; did you mean 'endl'?
20 | cout << endll;
| ^~~~~
| endl
|
s164507067
|
p03992
|
C
|
#include<stdio.h>
int main(){
char s[20];
int i;
scanf("%s",s);
for(i=0;s[i];i++){
if(i==4)printf(" ");
printf("%c",s[i]);
}prinf("\n");
return 0;
}
|
main.c: In function 'main':
main.c:9:4: error: implicit declaration of function 'prinf'; did you mean 'printf'? [-Wimplicit-function-declaration]
9 | }prinf("\n");
| ^~~~~
| printf
|
s653026821
|
p03992
|
Java
|
import java.util.Scanner;
public class A {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner in = new Scanner(System.in);
String t = in.nextLine();
for(int i=0;i<t.length();i++){
System.out.print(t.charAt(i));
if(i==3)
System.out.print(" ");
}
System.out.println();
}
}
|
Main.java:4: error: class A is public, should be declared in a file named A.java
public class A {
^
1 error
|
s633032703
|
p03992
|
C
|
#include<stdio.h>
int main(){
char s[20];
int i;
scanf("%s",s);
for(i=0;s[i];i++){
if(i==4)printf(" ");
printf("%c",s[i]);
}prinf("\n");
return 0;
}
|
main.c: In function 'main':
main.c:9:4: error: implicit declaration of function 'prinf'; did you mean 'printf'? [-Wimplicit-function-declaration]
9 | }prinf("\n");
| ^~~~~
| printf
|
s122291818
|
p03992
|
C
|
#include <stdlib.h>
#include <stdio.h>
int main ( void ) {
int i = 0;
for (i = 0; i < 4; i++) {
putchar(getchar());
}
putchar(' ');
int c = getchar();
while (c != '\n' && c != EOF) {
putchar(c);
getchar(c);
}
return EXIT_SUCCESS;
}
|
main.c: In function 'main':
main.c:16:10: error: too many arguments to function 'getchar'
16 | getchar(c);
| ^~~~~~~
In file included from main.c:2:
/usr/include/stdio.h:582:12: note: declared here
582 | extern int getchar (void);
| ^~~~~~~
|
s236166002
|
p03992
|
C
|
int main(){
scanf("%s",s);
printf("%c%c%c%c %c%c%c%c%c%c%c%c",s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9],s[10],s[11],s[12]);
return 0;
}
|
main.c: In function 'main':
main.c:3:9: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
3 | scanf("%s",s);
| ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
+++ |+#include <stdio.h>
1 | int main(){
main.c:3:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
3 | scanf("%s",s);
| ^~~~~
main.c:3:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:3:20: error: 's' undeclared (first use in this function)
3 | scanf("%s",s);
| ^
main.c:3:20: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
4 | printf("%c%c%c%c %c%c%c%c%c%c%c%c",s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9],s[10],s[11],s[12]);
| ^~~~~~
main.c:4:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:4:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:4:9: note: include '<stdio.h>' or provide a declaration of 'printf'
|
s988459712
|
p03992
|
C++
|
import java.util.*;
import java.io.*;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
String a = sc.next();
// output
System.out.println(a.substring(0,3)+ " " + a.substring(4,11));
}
}
|
a.cc:1:1: error: 'import' does not name a type
1 | import java.util.*;
| ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
2 | import java.io.*;
| ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
3 | public class Main {
| ^~~~~~
|
s724369963
|
p03992
|
C++
|
#include <iostream>
#include <algorithm>
using namespace std;
main(){
char a[20];
for(int i=0;i<12;i++){
cin << a[i];
}
for(int i=0;i<4;i++){
cout << a[i];
}
cout << " ";
for(int i=4;i<12;i++){
cout << a[i];
}
cout << endl;
}
|
a.cc:5:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
5 | main(){
| ^~~~
a.cc: In function 'int main()':
a.cc:8:21: error: no match for 'operator<<' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'char')
8 | cin << a[i];
| ~~~ ^~ ~~~~
| | |
| | char
| std::istream {aka std::basic_istream<char>}
a.cc:8:21: note: candidate: 'operator<<(int, int)' (built-in)
8 | cin << a[i];
| ~~~~^~~~~~~
a.cc:8:21: 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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a[i];
| ^
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:8:17: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
8 | cin << a[i];
| ^~~
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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a[i];
| ^
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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a[i];
| ^
/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:8:27: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'std::basic_ostream<char, _Traits>'
8 | cin << a[i];
| ^
/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 = char]':
a.cc:8:13: required from here
8 | cin << a[i];
| ^
/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
|
s889321185
|
p03992
|
Java
|
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class Main {
/**
* Q1
* @param args
*/
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String hoge = br.readLine();
hoge = hoge.substring(0, 3)+" "+hoge.substring(4,11);
System.out.println();
}
}
|
Main.java:14: error: unreported exception IOException; must be caught or declared to be thrown
String hoge = br.readLine();
^
1 error
|
s272423186
|
p03992
|
C++
|
#define FNAME ""
#include <bits/stdc++.h>
#define hash padjf9srpi
#define y0 sdkfaslhagaklsldk
#define y1 aasdfasdfasdf
#define yn askfhwqriuperikldjk
#define j1 assdgsdgasghsf
#define tm sdfjahlfasfh
#define lr asgasgash
#define pb push_back
#define mp make_pair
#define forn(i, n) for (int i = 0; i < (n); i++)
#define fornr(i, n) for (int i = (n) - 1; i >= 0; i--)
#define forab(i, a, b) for (int i = (a); i < (b); i++)
#define gcd __gcd
#define all(a) (a).begin(), (a).end()
#ifdef _WIN32
#define I64 "%I64d"
#else
#define I64 "%lld"
#endif
using namespace std;
typedef long long LL;
typedef unsigned long long ULL;
typedef long double LD;
typedef pair <int, int> pii;
typedef vector <int> vi;
template <class T> T sqr(const T &a) {return a * a;}
char s[1000];
int main()
{
#ifdef LOCAL
freopen(FNAME".in", "r", stdin);
freopen(FNAME".out", "w", stdout);
#endif
gets(s);
forn(i, 4)
printf("%c", s[i]);
printf(" " );
forn(i, 8)
printf("%c", s[i + 4]);
}
|
a.cc: In function 'int main()':
a.cc:44:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
44 | gets(s);
| ^~~~
| getw
|
s501501162
|
p03992
|
Java
|
mport java.io.BufferedReader;
import java.io.InputStreamReader;
public class Main {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String line = br.readLine();
String answer = line.substring(0,4) + " " + line.substring(4);
System.out.println(answer);
}
}
|
Main.java:1: error: class, interface, enum, or record expected
mport java.io.BufferedReader;
^
Main.java:2: error: class, interface, enum, or record expected
import java.io.InputStreamReader;
^
2 errors
|
s240603957
|
p03992
|
C++
|
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define fs first
#define sc second
#define sz(x) (int) ((x).size())
#define forn(i, n) for (int i = 0; (i) < (n); ++i)
#define fornr(i, n) for (int i = (n) - 1; (i) >= 0; --i)
#define forab(i, a, b) for (int i = (a); (i) < (b); ++i)
#define forba(i, a, b) for (int i = (b) - 1; (i) >= (a); --i)
#define forit(it, c) for (__typeof((c).begin()) it = (c).begin(); it != (c).end(); ++it)
#define all(c) (c).begin(), (c).end()
#ifdef LOCAL
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#else
#define eprintf(...) static_cast<void>(0)
#endif
#ifdef _WIN32
#define I64 "%I64d"
#else
#define I64 "%lld"
#endif
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef unsigned int uint;
typedef vector <int> vi;
typedef pair <int, int> pii;
#define FNAME ""
int main() {
#ifdef LOCAL
freopen(FNAME".in", "r", stdin);
freopen(FNAME".out", "w", stdout);
#endif
char s[100];
gets(s);
forn (i, 4)
printf("%c", s[i]);
printf(" ");
forab (i, 4, 12)
printf("%c", s[i]);
return 0;
}
|
a.cc: In function 'int main()':
a.cc:46:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
46 | gets(s);
| ^~~~
| getw
|
s913272971
|
p03992
|
C++
|
#include <iostream>
#define reep(i,n,m) for(int i<(n);i<(m);i++)
#define rep(i,n) reep(i,0,n)
using namespace std;
int main(){
string str;
cin >> str;
rep(i,4){
cout << str[i]
}
cout << " ";
rep(i,8){
cout << str[i+4];
}
cout << endl;
}
|
a.cc: In function 'int main()':
a.cc:3:30: error: expected ';' before '<' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:11:9: note: in expansion of macro 'rep'
11 | rep(i,4){
| ^~~
a.cc:3:30: error: expected primary-expression before '<' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:11:9: note: in expansion of macro 'rep'
11 | rep(i,4){
| ^~~
a.cc:3:40: error: expected ')' before ';' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ~ ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:11:9: note: in expansion of macro 'rep'
11 | rep(i,4){
| ^~~
a.cc:11:13: error: 'i' was not declared in this scope
11 | rep(i,4){
| ^
a.cc:3:41: note: in definition of macro 'reep'
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:11:9: note: in expansion of macro 'rep'
11 | rep(i,4){
| ^~~
a.cc:3:30: error: expected ';' before '<' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:15:9: note: in expansion of macro 'rep'
15 | rep(i,8){
| ^~~
a.cc:3:30: error: expected primary-expression before '<' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:15:9: note: in expansion of macro 'rep'
15 | rep(i,8){
| ^~~
a.cc:3:40: error: expected ')' before ';' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ~ ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:15:9: note: in expansion of macro 'rep'
15 | rep(i,8){
| ^~~
|
s701061700
|
p03992
|
C++
|
http://blog-imgs-85.fc2.com/e/r/o/erog/20160331_img_02_020.jpg
|
a.cc:1:1: error: 'http' does not name a type
1 | http://blog-imgs-85.fc2.com/e/r/o/erog/20160331_img_02_020.jpg
| ^~~~
|
s041166215
|
p03992
|
C++
|
#include <iostream>
#include <algorithm>
#include <vector>
#include <deque>
#include <queue>
#include <list>
#include <stack>
#include <string>
#include <functional>
#include <numeric>
#include <cmath>
#include <iomanip>
#include <map>
#include <set>
#include <cstdlib>
#include <Windows.h>
#define INF 100000000
#define _INF -100000000
#define INFLL (long long)1e14
#define _INFLL (long long)-1e14
#define Loop(i, n) for(int i = 0; i < (int)n; i++)
#define Loop1(i, n) for(int i = 1; i <= (int)n; i++)
#define Loopr(i, n) for(int i = (int)n - 1; i >= 0; i--)
#define Loopr1(i, n) for(int i = (int)n; i >= 1; i--)
using namespace std;
typedef long long int ll;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ll> vll;
typedef vector<vector<ll>> vvll;
typedef pair<ll, ll> P;
int main() {
string s; cin >> s;
s.insert(4, " ");
cout << s << endl;
return 0;
}
|
a.cc:16:10: fatal error: Windows.h: No such file or directory
16 | #include <Windows.h>
| ^~~~~~~~~~~
compilation terminated.
|
s998389124
|
p03992
|
C++
|
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define vvi vector< vector<int> >
#define vi vector<int>
#define All(X) X.begin(),X.end()
#define FOR(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define REP(i,n) for(int i=0;i<(int)(n);i++)
#define pb push_back
#define pii pair<int,int>
#define mp make_pair
#define pi 3.14159265359
#define shosu(X) fixed << setprecision(X)
ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
ll lcm(ll a,ll b){return a/gcd(a,b)*b;}
int main(){
string s;
cin >> s;
REP(i,4) cout < < s[i];
cout << " ";
FOR(i,4,12) cout << s[i];
cout << endl;
}
|
a.cc: In function 'int main()':
a.cc:20:25: error: expected primary-expression before '<' token
20 | REP(i,4) cout < < s[i];
| ^
|
s001925934
|
p03992
|
C++
|
#include <iostream>
#define reep(i,n,m) for(int i<(n);i<(m);i++)
#define rep(i,n) reep(i,0,n)
using namespace std;
int main(){
string str;
cin >> str;
rep(i,4){
cout << str[i]
}
cout << " ";
rep(i,8){
cout << str[i+4];
}
cout << endl;
}
|
a.cc: In function 'int main()':
a.cc:3:30: error: expected ';' before '<' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:11:9: note: in expansion of macro 'rep'
11 | rep(i,4){
| ^~~
a.cc:3:30: error: expected primary-expression before '<' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:11:9: note: in expansion of macro 'rep'
11 | rep(i,4){
| ^~~
a.cc:3:40: error: expected ')' before ';' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ~ ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:11:9: note: in expansion of macro 'rep'
11 | rep(i,4){
| ^~~
a.cc:11:13: error: 'i' was not declared in this scope
11 | rep(i,4){
| ^
a.cc:3:41: note: in definition of macro 'reep'
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:11:9: note: in expansion of macro 'rep'
11 | rep(i,4){
| ^~~
a.cc:3:30: error: expected ';' before '<' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:15:9: note: in expansion of macro 'rep'
15 | rep(i,8){
| ^~~
a.cc:3:30: error: expected primary-expression before '<' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:15:9: note: in expansion of macro 'rep'
15 | rep(i,8){
| ^~~
a.cc:3:40: error: expected ')' before ';' token
3 | #define reep(i,n,m) for(int i<(n);i<(m);i++)
| ~ ^
a.cc:4:18: note: in expansion of macro 'reep'
4 | #define rep(i,n) reep(i,0,n)
| ^~~~
a.cc:15:9: note: in expansion of macro 'rep'
15 | rep(i,8){
| ^~~
|
s642271347
|
p03992
|
C++
|
#Include <string>
#include <iostream>
using namespace std;
int main() {
string s;
cin >> s;
cout << s.substr(0, 4) << ' ' << s.substr(4, 8) << "\n";
return 0;
}
|
a.cc:1:2: error: invalid preprocessing directive #Include; did you mean #include?
1 | #Include <string>
| ^~~~~~~
| include
|
s327196122
|
p03992
|
C++
|
#include <bits/stdc++.h>
int main(){
string s;
cin >> s;
for(int i=0; i<4; i++) putchar(s[i]);
putchar(' ');
for(int i=4; i<12; i++) putchar(s[i]);
puts("");
}
|
a.cc: In function 'int main()':
a.cc:4:1: error: 'string' was not declared in this scope
4 | string s;
| ^~~~~~
a.cc:4:1: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
from /usr/include/c++/14/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note: 'std::string'
77 | typedef basic_string<char> string;
| ^~~~~~
/usr/include/c++/14/string:76:11: note: 'std::pmr::string'
76 | using string = basic_string<char>;
| ^~~~~~
a.cc:5:1: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
5 | cin >> s;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
62 | extern istream cin; ///< Linked to standard input
| ^~~
a.cc:5:8: error: 's' was not declared in this scope
5 | cin >> s;
| ^
|
s598913433
|
p03992
|
C++
|
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
int main() {
std::string s;
std::getline(std::cin, s);
std::cout << s.substr(0, 4) << " " << s.substr(4) << std::endl;
return 0;
}
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
int main() {
std::string s;
std::getline(std::cin, s);
std::cout << s.substr(0, 4) << " " << s.substr(4) << std::endl;
return 0;
}
|
a.cc:37:5: error: redefinition of 'int main()'
37 | int main() {
| ^~~~
a.cc:16:5: note: 'int main()' previously defined here
16 | int main() {
| ^~~~
|
s357618040
|
p03993
|
C++
|
#include <bits/stdc++.h>
#include <algorithm>
#include <vector>
#include <iostream>
#include <string>
using namespace std;
int main() {
//input
int n;cin >> n;
vector<int> a(n);
for(int i = 0; i < n; i++) cin >> a[i];
int counter = 0;
//compute
for(int i = 0; i < n; i++) a[i] = a[i] - 1;
for(int i = 0;i < n; i++) {
if(a[a[i]] == i){
counter += 1;
}
}
int ans;
ans = counter / 2;
//output
cout << ans << endl;
|
a.cc: In function 'int main()':
a.cc:26:23: error: expected '}' at end of input
26 | cout << ans << endl;
| ^
a.cc:8:12: note: to match this '{'
8 | int main() {
| ^
|
s675335645
|
p03993
|
C++
|
n = int(input())
a = [int(x) for x in input().split()]
# print(n)
# print(a)
count = 0
for i in range(n - 1):
if(i == a[a[i - 1] - 1]):
count += 1
print(count)
# print(int(count/2))
|
a.cc:4:3: error: invalid preprocessing directive #print
4 | # print(n)
| ^~~~~
a.cc:5:3: error: invalid preprocessing directive #print
5 | # print(a)
| ^~~~~
a.cc:14:3: error: invalid preprocessing directive #print
14 | # print(int(count/2))
| ^~~~~
a.cc:1:1: error: 'n' does not name a type
1 | n = int(input())
| ^
|
s998438051
|
p03993
|
C++
|
#include <bits/stdc++.h>
#include <vector>
#include <algorithm>
#include <iostream>
#include <cmath>
using namespace std;
int main() {
int N, ans;
cin >> N;
ans=0;
vector<int> a(N);
for (int i=0; i<N; i++) {
cin >> a[i];
}
for (int j=0; j<N; j++) {
if (a[a[i]-1]==i+1) {
ans=ans+1;
}
}
cout << ans/2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:17:13: error: 'i' was not declared in this scope
17 | if (a[a[i]-1]==i+1) {
| ^
|
s752868581
|
p03993
|
Java
|
import java.util.*;
import java.math.*;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int N = sc.nextInt();
int ans = 0;
List<Integer> a = new ArrayList<>();
for (int i = 0; i < N; i++) {
int d = sc.nextInt();
a.add(d);
}
for (int i = 0; i < N; i++) {
int r = a.get(i+1);
if ((i+1) == a,get(r)) ans++;
}
ans = ans/2;
System.out.println(ans);
}
}
|
Main.java:18: error: ')' expected
if ((i+1) == a,get(r)) ans++;
^
Main.java:18: error: ';' expected
if ((i+1) == a,get(r)) ans++;
^
2 errors
|
s045804154
|
p03993
|
Java
|
import java.util.*;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
//値の取得
int N = sc.nextInt();
int[] A = new int[N];
for(int i=0;i<N;i++){
A[i] = sc.nextLong();
}
//カウント
int count=0;
//両想いうさぎ
for(int i=0;i<N;i++){
if(A[A[i]-1]==i+1){
count++;
}
}
System.out.println(count/2);
}
}
|
Main.java:9: error: incompatible types: possible lossy conversion from long to int
A[i] = sc.nextLong();
^
1 error
|
s792241067
|
p03993
|
Java
|
import java.util.*;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
//値の取得
int N = sc.nextInt();
int[] A = new int[N];
for(int i=0;i<N;i++){
A[i] = sc.nextLong();
}
//カウント
int count=0;
//両想いうさぎ
for(int i=0;i<N;i++){
if((A[A[i]-1)==i+1){
count++;
}
}
System.out.println(count/2);
}
}
|
Main.java:15: error: ']' expected
if((A[A[i]-1)==i+1){
^
1 error
|
s226716933
|
p03993
|
Java
|
import java.util.*;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
//値の取得
int N = sc.nextInt();
int[] A = new int[N];
for(int i=0;i<N;i++){
A[i] = sc.nextLong();
}
//カウント
int count=0;
//両想いうさぎ
for(int i=0;i<N;i++){
if((A[A[i]-1)= i+1)){
count++;
}
}
System.out.println(count/2);
}
}
|
Main.java:15: error: ']' expected
if((A[A[i]-1)= i+1)){
^
Main.java:15: error: illegal start of expression
if((A[A[i]-1)= i+1)){
^
2 errors
|
s393989395
|
p03993
|
Java
|
import java.util.*;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int N = sc.nextInt();
int A[] = new int[N];
int count = 0;
int i = 0;
for(i = 0;i < N; i++){
A[i] = sc.nextInt();
}
for(i = 0;i < N; i++){
if(i == A[A[i]]){
count += 1;
}
}
count /2;
System.out.println(count);
}
}
|
Main.java:17: error: not a statement
count /2;
^
1 error
|
s643509919
|
p03993
|
C++
|
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
const ll mod=1000000007;
const int MAX_N = 1000; // n の最大値
// nCk を取得
double nCk(int n, int k) {
double res=1.0;
for(int i=0; i<n; i++){
res*=0.5;}
for(int i=0; i<k; i++){
res*=(double)(n-i);
res/=(double)(k-i);
}
return res;}
int main() {
ll n;
cin>>n;
ll c=0;
for(ll i=0; i<n; i++){
cin>>a[i];}
for(ll i=0; i<n; i++){
if(a[a[i]]==i+1){
c++;}}
cout<<c<<endl;}
|
a.cc: In function 'int main()':
a.cc:24:6: error: 'a' was not declared in this scope
24 | cin>>a[i];}
| ^
a.cc:26:4: error: 'a' was not declared in this scope
26 | if(a[a[i]]==i+1){
| ^
|
s741673722
|
p03993
|
Java
|
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc =new Scanner(System.in);
int N =sc.nextInt();
int A[] =new int[N];
for(int i=0;i<N;i++){
A[i]=sc.nextInt();}
int ans =0;
for(int j=0;j<n;j++){
if(A[A[i]-1]==i){ans =ans+1;}}
System.out.println(ans/2);
}
}
|
Main.java:10: error: cannot find symbol
for(int j=0;j<n;j++){
^
symbol: variable n
location: class Main
Main.java:11: error: cannot find symbol
if(A[A[i]-1]==i){ans =ans+1;}}
^
symbol: variable i
location: class Main
Main.java:11: error: cannot find symbol
if(A[A[i]-1]==i){ans =ans+1;}}
^
symbol: variable i
location: class Main
3 errors
|
s530843626
|
p03993
|
Java
|
import java.util.*;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
// 整数の入力]
int N = sc.nextInt();
int[] number = new int[N];
boolean[] notpair = new boolean[N];
int count = 0;
for(int i=0; i<N; i++){
number[i] = sc.nextInt();
}
for(int i=0; i<N; i++){
if(i==number[number[i]-1]-1){
count++;
}
count /= 2;
System.out.println(count);
}
}
|
Main.java:21: error: reached end of file while parsing
}
^
1 error
|
s106271206
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
int rab[20000];
int N;
cin>>N;
for(int i = 1;i<N;i++)cin>>rab[i];
int cnt=0;
for(int i = 1;i<N;i++){
if(i == rab[i])rab++;
}
cnt=/2;
cout<<cnt<<endl;
}
|
a.cc: In function 'int main()':
a.cc:13:16: error: lvalue required as increment operand
13 | if(i == rab[i])rab++;
| ^~~
a.cc:15:5: error: expected primary-expression before '/' token
15 | cnt=/2;
| ^
|
s810774639
|
p03993
|
C++
|
#include <bits/stdc++.h>
#define rep(i,n) for (int (i) = 0; (i) < (n); i++)
#define ll long long
using namespace std;
int main(){
int n;
int ans=0;
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
}
for(int i=1;i<=n;i++){
if(i==a[a[i]]){
ans++;
}
}
cout<<ans/2<<endl;
}
|
a.cc: In function 'int main()':
a.cc:11:12: error: 'a' was not declared in this scope
11 | cin>>a[i];
| ^
a.cc:14:23: error: 'a' was not declared in this scope
14 | if(i==a[a[i]]){
| ^
|
s157440960
|
p03993
|
C++
|
#include <bits/stdc++.h>
#define rep(i,n) for (int (i) = 0; (i) < (n); i++)
#define ll long long
using namespace std;
int main(){
int n,
int ans=0;
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
}
for(int i=1;i<=n;i++){
if(i==a[a[i]]){
ans++;
}
}
cout<<ans/2<<endl;
}
|
a.cc: In function 'int main()':
a.cc:8:5: error: expected unqualified-id before 'int'
8 | int ans=0;
| ^~~
a.cc:11:22: error: 'a' was not declared in this scope
11 | cin>>a[i];
| ^
a.cc:14:23: error: 'a' was not declared in this scope
14 | if(i==a[a[i]]){
| ^
a.cc:15:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
15 | ans++;
| ^~~
| abs
a.cc:18:15: error: 'ans' was not declared in this scope; did you mean 'abs'?
18 | cout<<ans/2<<endl;
| ^~~
| abs
|
s098734275
|
p03993
|
C++
|
#include <bits/stdc++.h>
#define rep(i,n) for (int (i) = 0; (i) < (n); i++)
#define ll long long
using namespace std;
int main(){
int n,
int ans=0;
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
}
for(int i=1;i<=n;i++){
if(i==a[a[i]]){
ans++;
}
}
cout<<ans/2<<endl;
}
|
a.cc: In function 'int main()':
a.cc:8:5: error: expected unqualified-id before 'int'
8 | int ans=0;
| ^~~
a.cc:11:22: error: 'a' was not declared in this scope
11 | cin>>a[i];
| ^
a.cc:14:23: error: 'a' was not declared in this scope
14 | if(i==a[a[i]]){
| ^
a.cc:15:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
15 | ans++;
| ^~~
| abs
a.cc:18:15: error: 'ans' was not declared in this scope; did you mean 'abs'?
18 | cout<<ans/2<<endl;
| ^~~
| abs
|
s222962441
|
p03993
|
C++
|
#include <bits/stdc++.h>
#define rep(i,n) for (int (i) = 0; (i) < (n); i++)
#define ll long long
using namespace std;
int main(){
ll n;
cin>>n;
vector<int> a[n];
int ans=0;
rep(i,n) {
cin >> a[i];
a[i]--;
}
rep(i,n){
if(a[a[i]] == i){
ans++;
}
}
cout<<ans/2<<endl;
}
|
a.cc: In function 'int main()':
a.cc:12:9: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'std::vector<int>')
12 | cin >> a[i];
| ~~~ ^~ ~~~~
| | |
| | std::vector<int>
| std::istream {aka std::basic_istream<char>}
In file included 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,
from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
170 | operator>>(bool& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:170:24: note: no known conversion for argument 1 from 'std::vector<int>' to 'bool&'
170 | operator>>(bool& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]'
174 | operator>>(short& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:174:25: note: no known conversion for argument 1 from 'std::vector<int>' to 'short int&'
174 | operator>>(short& __n);
| ~~~~~~~^~~
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
177 | operator>>(unsigned short& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:177:34: note: no known conversion for argument 1 from 'std::vector<int>' to 'short unsigned int&'
177 | operator>>(unsigned short& __n)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]'
181 | operator>>(int& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:181:23: note: no known conversion for argument 1 from 'std::vector<int>' to 'int&'
181 | operator>>(int& __n);
| ~~~~~^~~
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
184 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:184:32: note: no known conversion for argument 1 from 'std::vector<int>' to 'unsigned int&'
184 | operator>>(unsigned int& __n)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
188 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:188:24: note: no known conversion for argument 1 from 'std::vector<int>' to 'long int&'
188 | operator>>(long& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
192 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:192:33: note: no known conversion for argument 1 from 'std::vector<int>' to 'long unsigned int&'
192 | operator>>(unsigned long& __n)
| ~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
199 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:199:29: note: no known conversion for argument 1 from 'std::vector<int>' to 'long long int&'
199 | operator>>(long long& __n)
| ~~~~~~~~~~~^~~
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
203 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:203:38: note: no known conversion for argument 1 from 'std::vector<int>' to 'long long unsigned int&'
203 | operator>>(unsigned long long& __n)
| ~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
219 | operator>>(float& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:219:25: note: no known conversion for argument 1 from 'std::vector<int>' to 'float&'
219 | operator>>(float& __f)
| ~~~~~~~^~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
223 | operator>>(double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:223:26: note: no known conversion for argument 1 from 'std::vector<int>' to 'double&'
223 | operator>>(double& __f)
| ~~~~~~~~^~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
227 | operator>>(long double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:227:31: note: no known conversion for argument 1 from 'std::vector<int>' to 'long double&'
227 | operator>>(long double& __f)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
328 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/14/istream:328:25: note: no known conversion for argument 1 from 'std::vector<int>' to 'void*&'
328 | operator>>(void*& __p)
| ~~~~~~~^~~
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:122:36: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]'
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:126:32: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ^~~~~~~~
/usr/include/c++/14/istream:133:30: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::ios_base& (*)(std::ios_base&)'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:352:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]'
352 | operator>>(__streambuf_type* __sb);
| ^~~~~~~~
/usr/include/c++/14/istream:352:36: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
352 | operator>>(__streambuf_type* __sb);
| ~~~~~~~~~~~~~~~~~~^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:41:
/usr/inclu
|
s281612652
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int N;
cin>>N;
int a[N];
int ans=0;
for(int i=0;i<N;i++){
cin>>a[i];
for(int j=0;j<N;j++){
cin>>a[j]
if(a[j]==i&&a[i]==j){
ans++;
}
}
}
cout<<ans/2<<endl;
}
|
a.cc: In function 'int main()':
a.cc:12:16: error: expected ';' before 'if'
12 | cin>>a[j]
| ^
| ;
13 | if(a[j]==i&&a[i]==j){
| ~~
|
s182290370
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int main(){
int a;
cin >> a;
vector<int> arr(a);
rep(i,a){
cin >> arr[i];
}
var sum = 0;
rep(i,a){
if(arr[arr[i]-1] == i+1) sum++;
}
cout << (sum/2) << endl;
}
|
a.cc: In function 'int main()':
a.cc:11:3: error: 'var' was not declared in this scope
11 | var sum = 0;
| ^~~
a.cc:13:28: error: 'sum' was not declared in this scope
13 | if(arr[arr[i]-1] == i+1) sum++;
| ^~~
a.cc:15:12: error: 'sum' was not declared in this scope
15 | cout << (sum/2) << endl;
| ^~~
|
s265751621
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
using ll = long long; // ll は long long と同じとする。(int64_t)
int main(){
int N;
cin >> N;
int ans = 0;
int a[N + 1];
for(int i = 1; i <= N; i++){
cin >> a[i];
}
for(int i = 1; i <= N; i++){
if(a.at(i) < N){
if(a[a[i]] == i){
ans++;
}
}
}
cout << ans / 2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:13:14: error: request for member 'at' in 'a', which is of non-class type 'int [(N + 1)]'
13 | if(a.at(i) < N){
| ^~
|
s487417283
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
using ll = long long; // ll は long long と同じとする。(int64_t)
int main(){
int N;
cin >> N;
int ans = 0;
int(a[N + 1])
for(int i = 1; i <= N; i++){
cin >> a[i];
}
for(int i = 1; i <= N; i++){
if(a.at(i) < N){
if(a[a[i]] == i){
ans++;
}
}
}
cout << ans / 2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:8:9: error: 'a' was not declared in this scope
8 | int(a[N + 1])
| ^
a.cc:9:20: error: 'i' was not declared in this scope
9 | for(int i = 1; i <= N; i++){
| ^
|
s790681704
|
p03993
|
C++
|
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int N = sc.nextInt();
int a[] = new int[N];
for(int i=0;i<N;i++){
a[i]=sc.nextInt();
}
int ans=0;
for(int i=0;i<N;i++){
if(a[a[i]-1]==i+1){
ans++;
}
}
System.out.println(ans/2);
}
}
|
a.cc:2:1: error: 'import' does not name a type
2 | import java.util.*;
| ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
3 | public class Main{
| ^~~~~~
|
s626608866
|
p03993
|
C++
|
#include<iostream>
using namespace std;
int main(){
int n,i,ans;cin >> n;ans = 0;
int a[n];
for(i=0;i<n;i++) cin >> a[i];
for(i=0;i<n;i++){
if (a[a[i]-1]-1 == i) ans += 1;
}
cout << a/2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:10:12: error: invalid operands of types 'int [n]' and 'int' to binary 'operator/'
10 | cout << a/2 << endl;
| ~^~
| | |
| | int
| int [n]
|
s352585086
|
p03993
|
Java
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int x;
cin >> x;
vector<int> vec;
int cnt = 0;
for(int i = 0; i < x; i++){
int lover;
cin >> lover; lover--;
vec.push_back(lover);
if(lover < i){
if(i == vec.at(lover)){
cnt++;
}
}
}
cout << cnt;
}
|
Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include <bits/stdc++.h>
^
Main.java:7: error: not a statement
cin >> x;
^
Main.java:13: error: not a statement
cin >> lover; lover--;
^
Main.java:21: error: not a statement
cout << cnt;
^
Main.java:5: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
(use --enable-preview to enable unnamed classes)
6 errors
|
s398807287
|
p03993
|
Java
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int x;
cin >> x;
vector<int> vec;
int cnt = 0;
for(int i = 0; i < x; i++){
int lover;
cin >> lover; lover--;
vec.push_back(lover);
if(lover < i){
if(i == vec.at(lover)){
cnt++;
}
}
}
cout << cnt;
}
|
Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include <bits/stdc++.h>
^
Main.java:7: error: not a statement
cin >> x;
^
Main.java:13: error: not a statement
cin >> lover; lover--;
^
Main.java:21: error: not a statement
cout << cnt;
^
Main.java:5: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
(use --enable-preview to enable unnamed classes)
6 errors
|
s338417560
|
p03993
|
C++
|
#include <iostream>
using namespace std;
int main(void){
int i;
cin >> i >> endl;
int a[i];
cin >> a[i] >> endl;
int index = 0;
while(i < sizeof(a)){
if(i == a[i])
continue;
cout << a[i] << endl;
index++;
}
|
a.cc: In function 'int main()':
a.cc:6:12: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and '<unresolved overloaded function type>')
6 | cin >> i >> endl;
| ~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/14/iostream:42,
from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
170 | operator>>(bool& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:170:24: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'bool&'
170 | operator>>(bool& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]'
174 | operator>>(short& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:174:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short int&'
174 | operator>>(short& __n);
| ~~~~~~~^~~
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
177 | operator>>(unsigned short& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:177:34: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short unsigned int&'
177 | operator>>(unsigned short& __n)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]'
181 | operator>>(int& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:181:23: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'int&'
181 | operator>>(int& __n);
| ~~~~~^~~
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
184 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:184:32: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'unsigned int&'
184 | operator>>(unsigned int& __n)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
188 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:188:24: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long int&'
188 | operator>>(long& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
192 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:192:33: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long unsigned int&'
192 | operator>>(unsigned long& __n)
| ~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
199 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:199:29: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long int&'
199 | operator>>(long long& __n)
| ~~~~~~~~~~~^~~
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
203 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:203:38: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long unsigned int&'
203 | operator>>(unsigned long long& __n)
| ~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
219 | operator>>(float& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:219:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'float&'
219 | operator>>(float& __f)
| ~~~~~~~^~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
223 | operator>>(double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:223:26: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'double&'
223 | operator>>(double& __f)
| ~~~~~~~~^~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
227 | operator>>(long double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:227:31: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long double&'
227 | operator>>(long double& __f)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
328 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/14/istream:328:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'void*&'
328 | operator>>(void*& __p)
| ~~~~~~~^~~
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:122:36: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]'
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:126:32: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ^~~~~~~~
/usr/include/c++/14/istream:133:30: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::ios_base& (*)(std::ios_base&)'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:352:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]'
352 | operator>>(__streambuf_type* __sb);
| ^~~~~~~~
/usr/include/c++/14/istream:352:36: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
352 | operator>>(__streambuf_type* __sb);
| ~~~
|
s145017814
|
p03993
|
Java
|
import java.util.Scanner;
import java.util.ArrayList;
public class CodeFes2016AB {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
ArrayList<Integer> al = new ArrayList<Integer>();
int n = scanner.nextInt();
int cnt = 0;
for(int i = 0; i < n; i++ ){
int lover = scanner.nextInt() - 1;
if(lover < i){
if(al.get(lover)==i){
cnt++;
}
}
al.add(lover);
}
System.out.println(cnt);
}
}
|
Main.java:4: error: class CodeFes2016AB is public, should be declared in a file named CodeFes2016AB.java
public class CodeFes2016AB {
^
1 error
|
s581044036
|
p03993
|
C++
|
#include <iostream>
using namespace std;
int main(void){
int i;
cin >> i >> endl;
int a[i];
cin >> a[i] >> endl;
while(i < sizeof(a)){
if(i == a[i])
continue;
cout << a[i] << endl;
i++;
}
|
a.cc: In function 'int main()':
a.cc:6:12: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and '<unresolved overloaded function type>')
6 | cin >> i >> endl;
| ~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/14/iostream:42,
from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
170 | operator>>(bool& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:170:24: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'bool&'
170 | operator>>(bool& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]'
174 | operator>>(short& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:174:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short int&'
174 | operator>>(short& __n);
| ~~~~~~~^~~
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
177 | operator>>(unsigned short& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:177:34: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short unsigned int&'
177 | operator>>(unsigned short& __n)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]'
181 | operator>>(int& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:181:23: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'int&'
181 | operator>>(int& __n);
| ~~~~~^~~
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
184 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:184:32: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'unsigned int&'
184 | operator>>(unsigned int& __n)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
188 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:188:24: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long int&'
188 | operator>>(long& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
192 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:192:33: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long unsigned int&'
192 | operator>>(unsigned long& __n)
| ~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
199 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:199:29: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long int&'
199 | operator>>(long long& __n)
| ~~~~~~~~~~~^~~
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
203 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:203:38: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long unsigned int&'
203 | operator>>(unsigned long long& __n)
| ~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
219 | operator>>(float& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:219:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'float&'
219 | operator>>(float& __f)
| ~~~~~~~^~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
223 | operator>>(double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:223:26: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'double&'
223 | operator>>(double& __f)
| ~~~~~~~~^~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
227 | operator>>(long double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:227:31: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long double&'
227 | operator>>(long double& __f)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
328 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/14/istream:328:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'void*&'
328 | operator>>(void*& __p)
| ~~~~~~~^~~
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:122:36: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]'
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:126:32: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ^~~~~~~~
/usr/include/c++/14/istream:133:30: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::ios_base& (*)(std::ios_base&)'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:352:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]'
352 | operator>>(__streambuf_type* __sb);
| ^~~~~~~~
/usr/include/c++/14/istream:352:36: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
352 | operator>>(__streambuf_type* __sb);
| ~~~
|
s202409489
|
p03993
|
C++
|
#include <iostream>
using namespace std;
int main(void){
int i;
cin >> i >> endl;
int a[i];
cin >> a[i] >> endl;
while(i << sizeof(a)){
if(i == a[i])
continue;
cout << a[i] << endl;
i++;
}
|
a.cc: In function 'int main()':
a.cc:5:12: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and '<unresolved overloaded function type>')
5 | cin >> i >> endl;
| ~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/14/iostream:42,
from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
170 | operator>>(bool& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:170:24: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'bool&'
170 | operator>>(bool& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]'
174 | operator>>(short& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:174:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short int&'
174 | operator>>(short& __n);
| ~~~~~~~^~~
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
177 | operator>>(unsigned short& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:177:34: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short unsigned int&'
177 | operator>>(unsigned short& __n)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]'
181 | operator>>(int& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:181:23: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'int&'
181 | operator>>(int& __n);
| ~~~~~^~~
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
184 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:184:32: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'unsigned int&'
184 | operator>>(unsigned int& __n)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
188 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:188:24: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long int&'
188 | operator>>(long& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
192 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:192:33: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long unsigned int&'
192 | operator>>(unsigned long& __n)
| ~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
199 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:199:29: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long int&'
199 | operator>>(long long& __n)
| ~~~~~~~~~~~^~~
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
203 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:203:38: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long unsigned int&'
203 | operator>>(unsigned long long& __n)
| ~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
219 | operator>>(float& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:219:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'float&'
219 | operator>>(float& __f)
| ~~~~~~~^~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
223 | operator>>(double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:223:26: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'double&'
223 | operator>>(double& __f)
| ~~~~~~~~^~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
227 | operator>>(long double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:227:31: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long double&'
227 | operator>>(long double& __f)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
328 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/14/istream:328:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'void*&'
328 | operator>>(void*& __p)
| ~~~~~~~^~~
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:122:36: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]'
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:126:32: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ^~~~~~~~
/usr/include/c++/14/istream:133:30: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::ios_base& (*)(std::ios_base&)'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:352:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]'
352 | operator>>(__streambuf_type* __sb);
| ^~~~~~~~
/usr/include/c++/14/istream:352:36: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
352 | operator>>(__streambuf_type* __sb);
| ~~~
|
s531353829
|
p03993
|
C++
|
#include <iostream>
using namespace std;
int main(void){
int i;
cin >> i >> endl;
int a[i];
cin >> a[i] >> endl;
while(cin >> i){
if(i == a[i])
continue;
cout << a[i] << endl;
i++;
}
|
a.cc: In function 'int main()':
a.cc:5:12: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and '<unresolved overloaded function type>')
5 | cin >> i >> endl;
| ~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/14/iostream:42,
from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
170 | operator>>(bool& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:170:24: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'bool&'
170 | operator>>(bool& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]'
174 | operator>>(short& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:174:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short int&'
174 | operator>>(short& __n);
| ~~~~~~~^~~
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
177 | operator>>(unsigned short& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:177:34: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'short unsigned int&'
177 | operator>>(unsigned short& __n)
| ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]'
181 | operator>>(int& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:181:23: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'int&'
181 | operator>>(int& __n);
| ~~~~~^~~
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
184 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:184:32: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'unsigned int&'
184 | operator>>(unsigned int& __n)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
188 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:188:24: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long int&'
188 | operator>>(long& __n)
| ~~~~~~^~~
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
192 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:192:33: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long unsigned int&'
192 | operator>>(unsigned long& __n)
| ~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
199 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:199:29: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long int&'
199 | operator>>(long long& __n)
| ~~~~~~~~~~~^~~
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
203 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:203:38: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long long unsigned int&'
203 | operator>>(unsigned long long& __n)
| ~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
219 | operator>>(float& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:219:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'float&'
219 | operator>>(float& __f)
| ~~~~~~~^~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
223 | operator>>(double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:223:26: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'double&'
223 | operator>>(double& __f)
| ~~~~~~~~^~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
227 | operator>>(long double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:227:31: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'long double&'
227 | operator>>(long double& __f)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
328 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/14/istream:328:25: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'void*&'
328 | operator>>(void*& __p)
| ~~~~~~~^~~
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:122:36: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]'
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:126:32: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ^~~~~~~~
/usr/include/c++/14/istream:133:30: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::ios_base& (*)(std::ios_base&)'
133 | operator>>(ios_base& (*__pf)(ios_base&))
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:352:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]'
352 | operator>>(__streambuf_type* __sb);
| ^~~~~~~~
/usr/include/c++/14/istream:352:36: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
352 | operator>>(__streambuf_type* __sb);
| ~~~
|
s733847061
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using VI = vector<int>;
using VL = vector<ll>;
using loop = int;
template<class T> using PQ = priority_queue<T, vector<T>, greater<T>>;
#define FOR(i,a,n) for(loop (i)=(a);(i)<(n);++(i))
#define eFOR(i,a,n) for(loop (i)=(a);(i)<=(n);++(i))
#define rFOR(i,a,n) for(loop (i)=(n)-1;(i)>=(a);--(i))
#define erFOR(i,a,n) for(loop (i)=(n);(i)>=(a);--(i))
#define each(i, a) for(auto &i : a)
#define SORT(i) sort((i).begin(),(i).end())
#define rSORT(i,a) sort((i).begin(),(i).end(),(a))
#define all(i) (i).begin(),(i).end()
#define out(y,x) ((y) < 0 || h <= (y) || (x) < 0 || w <= (x))
#define line cout << "------------------------\n"
#define ENDL(i,n) ((i) == (n) - 1 ? "\n" : " ")
#define stop system("pause") //comment out this on AOJ.
constexpr ll INF = 1000000000;
constexpr ll LLINF = 1LL << 60;
constexpr ll mod = 1000000007;
constexpr ll MOD = 998244353;
constexpr ld eps = 1e-10;
constexpr ld pi = 3.1415926535897932;
template<class T>inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; }return false; }
template<class T>inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; }return false; }
inline void init() { cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); }
template<class T>inline istream& operator>>(istream& is, vector<T>& v) { for (auto& elemnt : v)is >> elemnt; return is; }
template<class T, class U>inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template<class T>inline vector<T> vec(size_t a) { return vector<T>(a); }
template<class T>inline vector<T> defvec(T def, size_t a) { return vector<T>(a, def); }
template<class T, class... Ts>inline auto vec(size_t a, Ts... ts) { return vector<decltype(vec<T>(ts...))>(a, vec<T>(ts...)); }
template<class T, class... Ts>inline auto defvec(T def, size_t a, Ts... ts) { return vector<decltype(defvec<T>(def, ts...))>(a, defvec<T>(def, ts...)); }
int main() {
init();
int n; cin >> n;
VI a(n); cin >> a;
a.push_back(int("tourist"));
each(i, a)--i;
int ans = 0;
FOR(i, 0, n) {
if (a[a[i]] == i) {
a[a[i]] = n;
++ans;
}
}
cout << ans << "\n";
}
|
a.cc: In function 'int main()':
a.cc:42:17: error: cast from 'const char*' to 'int' loses precision [-fpermissive]
42 | a.push_back(int("tourist"));
| ^~~~~~~~~~~~~~
|
s422555936
|
p03993
|
C++
|
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
#define rep(i, a, n) for (int i = a; i < (n); ++i)
int main()
{
int n;
cin >> n;
vector<int> a(n);
rep(i, 0, n) cin >> a[i];
int count = 0;
rep(i, 0, n)
{
if (i+1 == a[i]) ++code;
}
cout << count << endl;
}
|
a.cc: In function 'int main()':
a.cc:19:36: error: 'code' was not declared in this scope
19 | if (i+1 == a[i]) ++code;
| ^~~~
|
s371032930
|
p03993
|
C++
|
#include <bits/stdc++.h>
#include <math.h>
#define rep(i, n) for(int i = 0; i < n; ++i)
using namespace std;
int main() {
int n, s = 0;
cin >> n;
vector<int> r(n);
vector<vector<bool>> v(n, vector<bool>(n, 0));
rep(i, n){
cin >> r[i];
--r[i];
v[i][r[i]] = 1;
}
rep(i, n){
if(v[i][r[i]] && v[r[i][i]]) ++s;
}
cout << s << endl;
return 0;
}
|
a.cc: In function 'int main()':
a.cc:17:28: error: invalid types '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}[int]' for array subscript
17 | if(v[i][r[i]] && v[r[i][i]]) ++s;
| ^
|
s940056959
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
#define ALL(a) (a).begin(),(a).end()
#define rALL(a) (a).rbegin(),(a).rend()
typedef pair<int, int> Pint;
typedef pair<int64_t, int64_t> Pll;
int main() {
int N, ans = 0;
cin >> N;
vector<int> A(N);
for (int i = 0; i < N; i++){
cin >> A.at(i);
A.at(i)--;
}
for (int i = 0; i < N; i++){
if (A.at(A.at(i) == i){
ans++;
}
}
cout << ans / 2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:18:31: error: expected ')' before '{' token
18 | if (A.at(A.at(i) == i){
| ~ ^
| )
a.cc:21:5: error: expected primary-expression before '}' token
21 | }
| ^
|
s586592673
|
p03993
|
C++
|
#include<iostream>
#include<string>
#include<cstdio>
#include<cstring>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<deque>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<cassert>
using namespace std;
typedef long long ll;
typedef unsigned long long ul;
typedef unsigned int ui;
typedef long double ld;
const int inf=1e9+7;
const ll INF=1LL<<60 ;
const ll mod=1e9+7 ;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<int, int> P;
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
#define fr first
#define sc second
#define all(c) c.begin(),c.end()
#define pb push_back
#define debug(x) cout << #x << " = " << (x) << endl;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
//#define int long long
void solve() {
int n; cin >> n;
vector<int> a(n);
set<int> se[100100];
int res = 0;
rep(i, n) {
cin >> a[i];
if(se[i].count(a[i]) ++res;
se[a[i]].insert(i);
}
cout << res << endl;
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
//cout << fixed << setprecision(10);
//init();
solve();
//cout << "finish" << endl;
return 0;
}
|
a.cc: In function 'void solve()':
a.cc:59:23: error: lvalue required as increment operand
59 | if(se[i].count(a[i]) ++res;
| ~~~~~~~~~~~^~~~~~
a.cc:60:27: error: expected ')' before ';' token
60 | se[a[i]].insert(i);
| ^
| )
a.cc:59:11: note: to match this '('
59 | if(se[i].count(a[i]) ++res;
| ^
a.cc:60:24: error: could not convert 'se[a.std::vector<int>::operator[](((std::vector<int>::size_type)i))].std::set<int>::insert(i)' from 'std::pair<std::_Rb_tree_const_iterator<int>, bool>' to 'bool'
60 | se[a[i]].insert(i);
| ~~~~~~~~~~~~~~~^~~
| |
| std::pair<std::_Rb_tree_const_iterator<int>, bool>
|
s033173580
|
p03993
|
C++
|
#include<iostream>
#include<string>
#include<cstdio>
#include<cstring>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<deque>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<cassert>
using namespace std;
typedef long long ll;
typedef unsigned long long ul;
typedef unsigned int ui;
typedef long double ld;
const int inf=1e9+7;
const ll INF=1LL<<60 ;
const ll mod=1e9+7 ;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<int, int> P;
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
#define fr first
#define sc second
#define all(c) c.begin(),c.end()
#define pb push_back
#define debug(x) cout << #x << " = " << (x) << endl;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
//#define int long long
void solve() {
int n; cin >> n;
vector<int> a(n);
set<int> se[100100];
int res = 0;
rep(i, n) {
cin >> a[i];
if(se[i].count(a[i]]) ++res;
se[a[i]].insert(i);
}
cout << res << endl;
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
//cout << fixed << setprecision(10);
//init();
solve();
//cout << "finish" << endl;
return 0;
}
|
a.cc: In function 'void solve()':
a.cc:59:28: error: expected ')' before ']' token
59 | if(se[i].count(a[i]]) ++res;
| ~ ^
| )
a.cc:59:28: error: expected ')' before ']' token
59 | if(se[i].count(a[i]]) ++res;
| ~ ^
| )
a.cc:59:28: error: expected primary-expression before ']' token
|
s504650104
|
p03993
|
C++
|
#include<iostream>
#include<string>
#include<cstdio>
#include<cstring>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<deque>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<cassert>
using namespace std;
typedef long long ll;
typedef unsigned long long ul;
typedef unsigned int ui;
typedef long double ld;
const int inf=1e9+7;
const ll INF=1LL<<60 ;
const ll mod=1e9+7 ;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<int, int> P;
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
#define fr first
#define sc second
#define all(c) c.begin(),c.end()
#define pb push_back
#define debug(x) cout << #x << " = " << (x) << endl;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
//#define int long long
void solve() {
int n; cin >> n;
vector<int> a(n);
set<int> se[100100];
int res = 0;
rep(i, n) {
cin >> a[i];
if(se[i].count[a[i]]) ++res;
se[a[i]].insert(i);
}
cout << res << endl;
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
//cout << fixed << setprecision(10);
//init();
solve();
//cout << "finish" << endl;
return 0;
}
|
a.cc: In function 'void solve()':
a.cc:59:23: error: invalid types '<unresolved overloaded function type>[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
59 | if(se[i].count[a[i]]) ++res;
| ^
|
s930707981
|
p03993
|
C++
|
#include<bits/stdc++.h>
using namespace std;
int main(){
int N;
cin >> N;
vector<int> A;
for(int i=0; i<N; i++){
int a; cin >> a;
A.push_back(a);
}
int count=0;
for(int i=0; i<N; i++){
if(i+1==A[A[i]-1]) count++;
}
cout << count/2 << endl;
return 0;
}
#include<bits/stdc++.h>
using namespace std;
int main(){
int N;
cin >> N;
vector<int> A;
for(int i=0; i<N; i++){
int a; cin >> a;
A.push_back(a);
}
int count=0;
for(int i=0; i<N; i++){
if(i+1==A[A[i]-1]) count++;
}
cout << count/2 << endl;
return 0;
}
|
a.cc:22:5: error: redefinition of 'int main()'
22 | int main(){
| ^~~~
a.cc:4:5: note: 'int main()' previously defined here
4 | int main(){
| ^~~~
|
s963288846
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int (i) = 0; (i) < (n); ++(i))
#define rrep(i,n) for(int (i) = (n) - 1; (i) >= 0; --(i)) //Reversi rep
#define nfor(i,a,b) for(int (i) = (a); (i) < (b); ++(i)) //Natural for
#define rfor(i,a,b) for(int (i) = (b) - 1; (i) >= (a); --(i)) //Reversi for
#define ll long long
#define mod (1000000007)
#define YES cout << "YES" << endl;
#define Yes cout << "Yes" << endl;
#define yes cout << "yes" << endl;
#define NO cout << "NO" << endl;
#define No cout << "No" << endl;
#define no cout << "no" << endl;
int asc(const void *a, const void *b) {
return *(int *)a - *(int *)b;
}
int desc(const void *a, const void *b) {
return *(int *)b - *(int *)a;
}
int main()
{
ll n,ans = 0;
cin >> n;
vector<ll> a(n,0);
rep(i, n)cin >> a[i];
rep(i, n){a
if (i + 1 == a[a[i] - 1]) {
++ans;
}
a.erase(a.begin());
}
cout << ans << endl;
return 0;
}
|
a.cc: In function 'int main()':
a.cc:30:16: error: expected ';' before 'if'
30 | rep(i, n){a
| ^
| ;
31 | if (i + 1 == a[a[i] - 1]) {
| ~~
|
s139484406
|
p03993
|
Java
|
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int[] a = new int[n];
for(int i = 0;i < n;i++)a[i]=sc.nextInt();
int cnt = 0;
boolean friend = new boolean[n];
Arrays.fill(friend,true);
int cnt = 0;
for(int i = 0;i < n;i++){
if(a[a[i]]==i&&a[i]==true&&a[a[i]]==true){
cnt++;
a[i]=false;
a[a[i]]=false;
}
}
System.out.println(cnt);
}
}
|
Main.java:9: error: incompatible types: boolean[] cannot be converted to boolean
boolean friend = new boolean[n];
^
Main.java:10: error: no suitable method found for fill(boolean,boolean)
Arrays.fill(friend,true);
^
method Arrays.fill(long[],long) is not applicable
(argument mismatch; boolean cannot be converted to long[])
method Arrays.fill(int[],int) is not applicable
(argument mismatch; boolean cannot be converted to int[])
method Arrays.fill(short[],short) is not applicable
(argument mismatch; boolean cannot be converted to short[])
method Arrays.fill(char[],char) is not applicable
(argument mismatch; boolean cannot be converted to char[])
method Arrays.fill(byte[],byte) is not applicable
(argument mismatch; boolean cannot be converted to byte[])
method Arrays.fill(boolean[],boolean) is not applicable
(argument mismatch; boolean cannot be converted to boolean[])
method Arrays.fill(double[],double) is not applicable
(argument mismatch; boolean cannot be converted to double[])
method Arrays.fill(float[],float) is not applicable
(argument mismatch; boolean cannot be converted to float[])
method Arrays.fill(Object[],Object) is not applicable
(argument mismatch; boolean cannot be converted to Object[])
Main.java:11: error: variable cnt is already defined in method main(String[])
int cnt = 0;
^
Main.java:13: error: incomparable types: int and boolean
if(a[a[i]]==i&&a[i]==true&&a[a[i]]==true){
^
Main.java:13: error: incomparable types: int and boolean
if(a[a[i]]==i&&a[i]==true&&a[a[i]]==true){
^
Main.java:15: error: incompatible types: boolean cannot be converted to int
a[i]=false;
^
Main.java:16: error: incompatible types: boolean cannot be converted to int
a[a[i]]=false;
^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
7 errors
|
s463605480
|
p03993
|
C++
|
#include<bits/stdc++.h>
using namespace std;
int main(){
int n,c=0;cin>>n;
vector<int>a(n);
for(int i=0;i<n;i++)cin>>a.at(i);
for(int i=0;i<n-1;i++){
if(a.at(a.at(i)-1)==i+1){
c++;
a.at(a.at(i))=0
}
}
cout<<c<<endl;
|
a.cc: In function 'int main()':
a.cc:10:22: error: expected ';' before '}' token
10 | a.at(a.at(i))=0
| ^
| ;
11 | }
| ~
a.cc:13:17: error: expected '}' at end of input
13 | cout<<c<<endl;
| ^
a.cc:3:11: note: to match this '{'
3 | int main(){
| ^
|
s215497080
|
p03993
|
C++
|
#include <iostream>
using namespace std;
int main()
{
long n,ans=0;
cin >> n;
long a[n+1];
for(i=1;i<=n;i++){
cin >> a[i];
}
for(i=1;i<=n;i++){
if(i=a[a[i]]){
ans++;
}
}
cout << ans << endl;
return 0;
}
|
a.cc: In function 'int main()':
a.cc:8:13: error: 'i' was not declared in this scope
8 | for(i=1;i<=n;i++){
| ^
a.cc:11:13: error: 'i' was not declared in this scope
11 | for(i=1;i<=n;i++){
| ^
|
s265487139
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
vector<int> a(n+1)
for(int i=1;i<=n;i++){
cin >> a[i];
}
int res=0;
for(int i=1;i<=n;i++){
if(a[a[i]]==i) res++;
}
cout << res/2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:10:3: error: expected ',' or ';' before 'for'
10 | for(int i=1;i<=n;i++){
| ^~~
a.cc:10:15: error: 'i' was not declared in this scope
10 | for(int i=1;i<=n;i++){
| ^
|
s027324825
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int N;
cin >>N;
vector<int> s(N,0);
int count = 0;
for(int i=0;i<N;i++){
cin >> s.at(i);
}
for(inti=0;i<N;i++){
if(s.at(i)==s.at(s.at(i)))
count += 1;
}
cout << count/2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:12:5: error: 'inti' was not declared in this scope; did you mean 'int'?
12 | for(inti=0;i<N;i++){
| ^~~~
| int
a.cc:12:12: error: 'i' was not declared in this scope
12 | for(inti=0;i<N;i++){
| ^
|
s597458303
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int N;
cin >>N;
vector<int> s(N,0)
int count = 0;
for(i=0;i<N;i++){
cin >> s.at(i);
}
for(i=0;i<N;i++){
if(s.at(i)==s.at(s.at(i)))
count += 1;
}
cout << count/2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:8:9: error: expected ',' or ';' before 'int'
8 | int count = 0;
| ^~~
a.cc:9:5: error: 'i' was not declared in this scope
9 | for(i=0;i<N;i++){
| ^
a.cc:12:5: error: 'i' was not declared in this scope
12 | for(i=0;i<N;i++){
| ^
a.cc:14:10: error: overloaded function with no contextual type information
14 | count += 1;
| ^
a.cc:16:14: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator/'
16 | cout << count/2 << endl;
| ~~~~~^~
|
s757262727
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
int n;cin>>n;
vector<int>a(n);
for(auto&& w:a)cin>>w;
int sm=0;
for(i=0;i<n;i++){
int x=a[i];
int y=a[x-1];
if(i==y-1)sm++;
}
cout<<sm/2<<endl;
}
|
a.cc: In function 'int main()':
a.cc:10:13: error: 'i' was not declared in this scope
10 | for(i=0;i<n;i++){
| ^
|
s962258648
|
p03993
|
C++
|
#include <>bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
int n;cin>>n;
vector<int>a(n);
for(auto&& w:a)cin>>w;
int sm=0;
for(i=0;i<n;i++){
int x=a[i];
int y=a[x-1];
if(i==y-1)sm++;
}
cout<<sm/2<<endl;
}
|
a.cc:1:16: warning: extra tokens at end of #include directive
1 | #include <>bits/stdc++.h>
| ^
a.cc:1:10: fatal error: >bit: No such file or directory
1 | #include <>bits/stdc++.h>
| ^~~~~~
compilation terminated.
|
s976041072
|
p03993
|
C
|
n = int(input())
A = list(map(int, input().split()))
cnt = 0
for i,a in enumerate(A):
if i == A[a - 1] - 1:
cnt +=1
print(cnt // 2)
|
main.c:1:1: warning: data definition has no type or storage class
1 | n = int(input())
| ^
main.c:1:1: error: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
main.c:1:5: error: expected expression before 'int'
1 | n = int(input())
| ^~~
|
s942569104
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int = n,ans = 0;
cin >> n;
vector<int> rb(n);
for(int i = 0; i < n; i++){
cin >> rb.at(i);
}
for(int j; j < n; j++){
if(rb.at(j) == rb.at(rb.at(j)))
ans++;
}
cout << ans / 2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:5:7: error: expected unqualified-id before '=' token
5 | int = n,ans = 0;
| ^
a.cc:6:10: error: 'n' was not declared in this scope; did you mean 'yn'?
6 | cin >> n;
| ^
| yn
a.cc:13:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
13 | ans++;
| ^~~
| abs
a.cc:15:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
15 | cout << ans / 2 << endl;
| ^~~
| abs
|
s720431132
|
p03993
|
C++
|
#include <iostream>
#include <set>
using namespace std;
int N,A[100010];
set<int> s[100010];
int main(){
cin >> N;
int ans = 0;
for(int i=1;i<=N;i++){
cin >> A[i];
s[A[i]].insert(i);
}
int ans = 0;
for(int i=1;i<=N;i++) if(s[i].count(A[i])==1)) ans++;
cout << ans/2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:15:7: error: redeclaration of 'int ans'
15 | int ans = 0;
| ^~~
a.cc:10:7: note: 'int ans' previously declared here
10 | int ans = 0;
| ^~~
a.cc:16:48: error: expected primary-expression before ')' token
16 | for(int i=1;i<=N;i++) if(s[i].count(A[i])==1)) ans++;
| ^
|
s581788759
|
p03993
|
C++
|
//↓template↓
#include "bits/stdc++.h"
using namespace std;
#define Would
#define you
#define all(n) n.begin(),n.end()
const long long INF = 1e18;
const long long MOD = 1e9 + 7;
const double pi = acos(-1);
const int SIZE = 1 << 17;
int dx[] = { 1,0,-1,0 }, dy[] = { 0,1,0,-1 }, alp[30];
long long fac[200005], finv[200005], inv[200005];
vector<long long>dij;
struct edge { long long to, cost; };
vector<vector<edge> >G;
long long mod_pow(long long a, long long b) {
long long res = 1;
while (b) {
if (b & 1) { res = res * a%MOD; }
a = a * a%MOD;
b >>= 1;
}
return res;
}
void addedge(int from, int to, int cost) {
G[from].push_back({ to,cost });
G[to].push_back({ from,cost });
}
//↑template↑
int n, k[100005], ans;
int main() {
cin >> n;
for (int i = 0; i < n; ++i) { cin >> k[i]; }
for (int i = 1; i <= n; i++) {
if (a[a[i]] == i) {
++ans;
}
}
cout << ans / 2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:40:21: error: 'a' was not declared in this scope
40 | if (a[a[i]] == i) {
| ^
|
s041546065
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int n,cnt=0;
cin >> n;
vector<int> v(n);
for(int i=0; i<n; i++) {
cin >> v[i];
}
for(int i=0; i<n; i++) {
if(s[i]==s[s[i]+1]&&i<s[i]+1) {
cnt++;
}
}
cout << cnt << endl;
}
|
a.cc: In function 'int main()':
a.cc:12:8: error: 's' was not declared in this scope
12 | if(s[i]==s[s[i]+1]&&i<s[i]+1) {
| ^
|
s108490061
|
p03993
|
C++
|
#include <iostream>
#include <vector>
using namespace std;
int main() {
int N;
cin >> N;
vector<int> A(N);
for (int& x : A) cin >> x, --x;
int ans = 0;
for (int i = 0; i < N; i++) {
ans += (i == a[a[i]]);
}
cout << ans / 2 << endl;
}
|
a.cc: In function 'int main()':
a.cc:14:18: error: 'a' was not declared in this scope
14 | ans += (i == a[a[i]]);
| ^
|
s738944660
|
p03993
|
C++
|
#include <iostream>
using namespace std;
int main() {
int N;
cin >> N;
vector<int> A(N);
for (int& x : A) cin >> x, --x;
int ans = 0;
for (int i = 0; i < N; i++) {
for (int j = i + 1; j < N; j++) {
ans += (i == A[j] && j == A[i]);
}
}
cout << ans << endl;
}
|
a.cc: In function 'int main()':
a.cc:8:3: error: 'vector' was not declared in this scope
8 | vector<int> A(N);
| ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
1 | #include <iostream>
+++ |+#include <vector>
2 | using namespace std;
a.cc:8:10: error: expected primary-expression before 'int'
8 | vector<int> A(N);
| ^~~
a.cc:9:17: error: 'A' was not declared in this scope
9 | for (int& x : A) cin >> x, --x;
| ^
a.cc:14:20: error: 'A' was not declared in this scope
14 | ans += (i == A[j] && j == A[i]);
| ^
|
s614709078
|
p03993
|
C++
|
#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n, ans = 0;
cin >> n;
vector<int> v(n);
for(int &x : v) {
cin >> x;
x--;
}
for(int i = 0; i < (int) v.size(); i++) {
ans += i == v[v[i]];
}
cout << x / 2 << '\n';
return 0;
}
|
a.cc: In function 'int main()':
a.cc:18:11: error: 'x' was not declared in this scope
18 | cout << x / 2 << '\n';
| ^
|
s111465163
|
p03993
|
C++
|
use std::io;
fn next_int() -> i64 {
let mut buf = String::new();
io::stdin().read_line(&mut buf).unwrap();
buf.trim().parse().unwrap()
}
fn next_vec() -> Vec<i64> {
let mut buf = String::new();
io::stdin().read_line(&mut buf).unwrap();
buf.split_whitespace().map(|n| n.parse().unwrap()).collect()
}
fn main() {
let n = next_int();
let a = next_vec();
let mut cnt = 0;
for i in 0..n {
let idx = i as usize;
let idx2 = a[idx] as usize;
cnt += if a[idx2-1] == i + 1 {1} else {0};
}
println!("{:?}", cnt/2);
}
|
a.cc:21:14: error: too many decimal points in number
21 | for i in 0..n {
| ^~~~
a.cc:1:1: error: 'use' does not name a type
1 | use std::io;
| ^~~
a.cc:3:1: error: 'fn' does not name a type
3 | fn next_int() -> i64 {
| ^~
a.cc:9:1: error: 'fn' does not name a type
9 | fn next_vec() -> Vec<i64> {
| ^~
a.cc:15:1: error: 'fn' does not name a type
15 | fn main() {
| ^~
|
s130365318
|
p03993
|
C++
|
namespace std;
int main(){
int N,a[100001];
cin>>N;
for(int i=1;i<N+1;i++){
cin>>a[i];
}
int count,b;
for(int i=1;i<N+1;i++){
b=a[i];
if(i==a[b]){count++;}
}
cout<<count/2;
return 0;
}
|
a.cc:1:15: error: expected '{' before ';' token
1 | namespace std;
| ^
a.cc: In function 'int main()':
a.cc:5:1: error: 'cin' was not declared in this scope
5 | cin>>N;
| ^~~
a.cc:15:1: error: 'cout' was not declared in this scope; did you mean 'count'?
15 | cout<<count/2;
| ^~~~
| count
|
s498669389
|
p03993
|
C
|
#include <stdio.h>
int main(){
int N = 100000;
scanf("%d\n", &N);
int usagi[100000];
for (size_t i = 0; i < N; i++) {
scanf("%d", &usagi[i]);
}
int count = 0;
for (size_t i = 0; i < N; i++) {
for (size_t j = i+1; j < N; j++) {
if(usagi[i] == j+1 && usagi[j] == i+1){
count++;
break;
}
}
}
printf("%d\n", count);
return 0;
|
main.c: In function 'main':
main.c:21:9: error: expected declaration or statement at end of input
21 | return 0;
| ^~~~~~
|
s629149636
|
p03993
|
C++
|
#include<bits/stdc++.h>
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
#define pb push_back
int dy[]={0, 0, 1, -1, 0};
int dx[]={1, -1, 0, 0, 0};
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
#define INF 1000000000
int a[100001];
bool used[100001];
int main(){
int n;
scanf("%d",&n);
REP(i,n){
scant("%d",a+i);
a[i]--;
used[i] = false;
}
int c = 0;
REP( i,n){
if(!used[i] && a[a[i]]==i){
c++;
used[i] = used[a[i]] = true;
}
}
printf("%d\n",c);
return 0;
}
|
a.cc: In function 'int main()':
a.cc:22:9: error: 'scant' was not declared in this scope; did you mean 'scanf'?
22 | scant("%d",a+i);
| ^~~~~
| scanf
|
s171441425
|
p03993
|
C++
|
#include<bits/stdc++.h>
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
#define pb push_back
int dy[]={0, 0, 1, -1, 0};
int dx[]={1, -1, 0, 0, 0};
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
#define INF 1000000000
int a[100001];
bool used[100001];
int main(){
scanf("%d",&n);
REP(i,n){
scant("%d",a+i);
a[i]--;
used[i] = false;
}
int c = 0;
REP( i,n){
if(!used[i] && a[a[i]]==i){
c++;
used[i] = used[a[i]] = true;
}
}
printf("%d\n",c);
return 0;
}
|
a.cc: In function 'int main()':
a.cc:19:17: error: 'n' was not declared in this scope; did you mean 'yn'?
19 | scanf("%d",&n);
| ^
| yn
a.cc:21:9: error: 'scant' was not declared in this scope; did you mean 'scanf'?
21 | scant("%d",a+i);
| ^~~~~
| scanf
|
s082210688
|
p03993
|
C++
|
#include<bits/stdc++.h>
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
#define pb push_back
int dy[]={0, 0, 1, -1, 0};
int dx[]={1, -1, 0, 0, 0};
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
#define INF 1000000000
int a[100001];
bool used[100001];
int main(){
scanf("%d",&n);
REP(i,n){
scant("%d",a+i);
a[i]--;
used[i] = false;
}
int c = 0;
REP( i,n){
if(!used[i] && a[a[i]]==i){
c++;
used[i] = used[a[i]] = true;
}
}
printf(”%d\n",c);
return 0;
}
|
a.cc:32:12: error: extended character ” is not valid in an identifier
32 | printf(”%d\n",c);
| ^
a.cc:32:15: error: stray '\' in program
32 | printf(”%d\n",c);
| ^
a.cc:32:17: warning: missing terminating " character
32 | printf(”%d\n",c);
| ^
a.cc:32:17: error: missing terminating " character
32 | printf(”%d\n",c);
| ^~~~~
a.cc: In function 'int main()':
a.cc:19:17: error: 'n' was not declared in this scope; did you mean 'yn'?
19 | scanf("%d",&n);
| ^
| yn
a.cc:21:9: error: 'scant' was not declared in this scope; did you mean 'scanf'?
21 | scant("%d",a+i);
| ^~~~~
| scanf
a.cc:32:12: error: '\U0000201d' was not declared in this scope
32 | printf(”%d\n",c);
| ^
a.cc:32:14: error: 'd' was not declared in this scope
32 | printf(”%d\n",c);
| ^
|
s330941272
|
p03993
|
C++
|
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
typedef pair<int,int>pii;
const int maxn=1e5+55;
int a;
int main() {
// freopen("Task.in","r",stdin);freopen("Task.out","w",stdout);
int n;
cin>>n;
// map<int,set<int> >mpp;
for(int i=1 ; i<=n ; i++) {
cin>>a;
mpp[i].insert(a);
}
int cnt=0;
for(map<int,int>::iterator it=mpp.begin() ; it!=mpp.end() ; it++) {
int u=it->ff;
for(set<int>::iterator it2=it->ss.begin() ; it2!=it->ss.end() ; it2++) {
int v=*it2;
if(mpp[v].find(u)!=mpp.end()) {
++cnt;
mpp[v].erase(u);
break;
}
}
mpp[u].erase(v);
}
/*for (int i=1 ; i<=n ; i++) {
if(a[a[i]]==i)
cnt++;
}*/
cnt/=2;
cout<<cnt<<endl;
}
|
a.cc: In function 'int main()':
a.cc:22:17: error: 'mpp' was not declared in this scope; did you mean 'mp'?
22 | mpp[i].insert(a);
| ^~~
| mp
a.cc:25:39: error: 'mpp' was not declared in this scope; did you mean 'mp'?
25 | for(map<int,int>::iterator it=mpp.begin() ; it!=mpp.end() ; it++) {
| ^~~
| mp
a.cc:27:51: error: request for member 'begin' in 'it.std::_Rb_tree_iterator<std::pair<const int, int> >::operator->()->std::pair<const int, int>::second', which is of non-class type 'int'
27 | for(set<int>::iterator it2=it->ss.begin() ; it2!=it->ss.end() ; it2++) {
| ^~~~~
a.cc:27:73: error: request for member 'end' in 'it.std::_Rb_tree_iterator<std::pair<const int, int> >::operator->()->std::pair<const int, int>::second', which is of non-class type 'int'
27 | for(set<int>::iterator it2=it->ss.begin() ; it2!=it->ss.end() ; it2++) {
| ^~~
a.cc:35:30: error: 'v' was not declared in this scope
35 | mpp[u].erase(v);
| ^
|
s505682403
|
p03993
|
C++
|
#include<iostream>
#include<fstream>
#include<string>
#include<cmath>
using namespace std;
int a[1e5];
int main(){
int N,j,num;
num=0;
cin >> N;
for(int i=0;i<N;i++){
scanf("%d",&a[i]);
}
for(int i=0;i<N;i++){
j = a[i];
if(a[j-1]==i+1)
num = num+1;
}
cout << num/2 << endl;
return 0;
};
|
a.cc:6:7: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
6 | int a[1e5];
| ^~~
a.cc:6:7: error: could not convert '1.0e+5' from 'double' to 'long unsigned int'
6 | int a[1e5];
| ^~~
| |
| double
a.cc:6:7: error: size of array 'a' has non-integral type 'double'
|
s442829400
|
p03993
|
C
|
File Edit Options Buffers Tools C Help
#include <stdio.h>
#include <stdlib.h>
int main()
{
int N,i,j,cnt;
int aij[100000];
char str[1000000];
scanf("%d", &N);
gets(str);
i=0;j=0;
while(j<N-1){
sscanf(str,"%d ", &aij[j]);
j++;
}
sscanf(str,"%d", &aij[j]);
cnt=0;
for(i=0;i<N;i++){
if(aij[aij[i]-1]==i+1) cnt++;
}/*
for(i=0;i<N;i++){
for(j=i+1; j<N ;j++){
if(aij[i] ==j && aij[j] == i)cnt++;
}
}*/
printf("%d\n", cnt/2);
}
|
main.c:1:1: error: unknown type name 'File'
1 | File Edit Options Buffers Tools C Help
| ^~~~
main.c:1:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Options'
1 | File Edit Options Buffers Tools C Help
| ^~~~~~~
main.c:1:11: error: unknown type name 'Options'
In file included from /usr/include/stdio.h:47,
from main.c:2:
/usr/include/x86_64-linux-gnu/bits/types/cookie_io_functions_t.h:28:43: error: unknown type name 'size_t'
28 | size_t __nbytes);
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/types/cookie_io_functions_t.h:1:1: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
+++ |+#include <stddef.h>
1 | /* Copyright (C) 1991-2025 Free Software Foundation, Inc.
/usr/include/x86_64-linux-gnu/bits/types/cookie_io_functions_t.h:37:44: error: unknown type name 'size_t'
37 | size_t __nbytes);
| ^~~~~~
/usr/include/x86_64-linux-gnu/bits/types/cookie_io_functions_t.h:37:44: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/x86_64-linux-gnu/bits/types/cookie_io_functions_t.h:57:3: error: unknown type name 'cookie_read_function_t'; did you mean 'cookie_seek_function_t'?
57 | cookie_read_function_t *read; /* Read bytes. */
| ^~~~~~~~~~~~~~~~~~~~~~
| cookie_seek_function_t
/usr/include/x86_64-linux-gnu/bits/types/cookie_io_functions_t.h:58:3: error: unknown type name 'cookie_write_function_t'; did you mean 'cookie_close_function_t'?
58 | cookie_write_function_t *write; /* Write bytes. */
| ^~~~~~~~~~~~~~~~~~~~~~~
| cookie_close_function_t
/usr/include/stdio.h:314:35: error: unknown type name 'size_t'
314 | extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
| ^~~~~~
/usr/include/stdio.h:130:1: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
129 | #include <bits/stdio_lim.h>
+++ |+#include <stddef.h>
130 |
/usr/include/stdio.h:320:47: error: unknown type name 'size_t'
320 | extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __THROW
| ^~~~~~
/usr/include/stdio.h:320:47: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:340:34: error: unknown type name 'size_t'
340 | int __modes, size_t __n) __THROW __nonnull ((1));
| ^~~~~~
/usr/include/stdio.h:340:34: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:346:24: error: unknown type name 'size_t'
346 | size_t __size) __THROW __nonnull ((1));
| ^~~~~~
/usr/include/stdio.h:346:24: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:385:44: error: unknown type name 'size_t'
385 | extern int snprintf (char *__restrict __s, size_t __maxlen,
| ^~~~~~
/usr/include/stdio.h:385:44: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:389:45: error: unknown type name 'size_t'
389 | extern int vsnprintf (char *__restrict __s, size_t __maxlen,
| ^~~~~~
/usr/include/stdio.h:389:45: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:690:30: error: unknown type name 'size_t'
690 | size_t *__restrict __n, int __delimiter,
| ^~~~~~
/usr/include/stdio.h:690:30: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:693:28: error: unknown type name 'size_t'
693 | size_t *__restrict __n, int __delimiter,
| ^~~~~~
/usr/include/stdio.h:693:28: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:698:27: error: unknown type name 'size_t'
698 | size_t *__restrict __n,
| ^~~~~~
/usr/include/stdio.h:698:27: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:728:8: error: unknown type name 'size_t'
728 | extern size_t fread (void *__restrict __ptr, size_t __size,
| ^~~~~~
/usr/include/stdio.h:728:8: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:728:46: error: unknown type name 'size_t'
728 | extern size_t fread (void *__restrict __ptr, size_t __size,
| ^~~~~~
/usr/include/stdio.h:728:46: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:729:22: error: unknown type name 'size_t'
729 | size_t __n, FILE *__restrict __stream) __wur
| ^~~~~~
/usr/include/stdio.h:729:22: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:735:8: error: unknown type name 'size_t'
735 | extern size_t fwrite (const void *__restrict __ptr, size_t __size,
| ^~~~~~
/usr/include/stdio.h:735:8: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:735:53: error: unknown type name 'size_t'
735 | extern size_t fwrite (const void *__restrict __ptr, size_t __size,
| ^~~~~~
/usr/include/stdio.h:735:53: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:736:23: error: unknown type name 'size_t'
736 | size_t __n, FILE *__restrict __s) __nonnull((4));
| ^~~~~~
/usr/include/stdio.h:736:23: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:756:8: error: unknown type name 'size_t'
756 | extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
| ^~~~~~
/usr/include/stdio.h:756:8: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:756:55: error: unknown type name 'size_t'
756 | extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
| ^~~~~~
/usr/include/stdio.h:756:55: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:757:31: error: unknown type name 'size_t'
757 | size_t __n, FILE *__restrict __stream) __wur
| ^~~~~~
/usr/include/stdio.h:757:31: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:759:8: error: unknown type name 'size_t'
759 | extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
| ^~~~~~
/usr/include/stdio.h:759:8: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:759:62: error: unknown type name 'size_t'
759 | extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
| ^~~~~~
/usr/include/stdio.h:759:62: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdio.h:760:32: error: unknown type name 'size_t'
760 | size_t __n, FILE *__restrict __stream)
| ^~~~~~
/usr/include/stdio.h:760:32: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
In file included from main.c:3:
/usr/include/stdlib.h:98:8: error: unknown type name 'size_t'
98 | extern size_t __ctype_get_mb_cur_max (void) __THROW __wur;
| ^~~~~~
/usr/include/stdlib.h:42:1: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
41 | # include <bits/waitstatus.h>
+++ |+#include <stddef.h>
42 |
/usr/include/stdlib.h:531:25: error: unknown type name 'size_t'
531 | size_t __statelen) __THROW __nonnull ((2));
| ^~~~~~
/usr/include/stdlib.h:531:25: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:561:25: error: unknown type name 'size_t'
561 | size_t __statelen,
| ^~~~~~
/usr/include/stdlib.h:561:25: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:661:42: error: unknown type name 'size_t'
661 | extern void arc4random_buf (void *__buf, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:661:42: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:672:22: error: unknown type name 'size_t'
672 | extern void *malloc (size_t __size) __THROW __attribute_malloc__
| ^~~~~~
/usr/include/stdlib.h:672:22: note: 'size_t' is defined in heade
|
s084416218
|
p03993
|
C++
|
#include <bits/stdc++.h>
int main()
{
vector<int> pairs;
int n;
int value;
cin>>n;
for(int i=1;i<=n;i++)
{
cin>>value;
pairs[i] = value;
}
int count =0;
for(int i=1;i<=n;i++)
{
if(pairs[pairs[i]]==i)
{
count++;
}
cout<<count/2;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:5:1: error: 'vector' was not declared in this scope
5 | vector<int> pairs;
| ^~~~~~
a.cc:5:1: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
from /usr/include/c++/14/functional:64,
from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:428:11: note: 'std::vector'
428 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
/usr/include/c++/14/vector:93:13: note: 'std::pmr::vector'
93 | using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
| ^~~~~~
a.cc:5:8: error: expected primary-expression before 'int'
5 | vector<int> pairs;
| ^~~
a.cc:8:1: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
8 | cin>>n;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
62 | extern istream cin; ///< Linked to standard input
| ^~~
a.cc:12:1: error: 'pairs' was not declared in this scope
12 | pairs[i] = value;
| ^~~~~
a.cc:17:4: error: 'pairs' was not declared in this scope
17 | if(pairs[pairs[i]]==i)
| ^~~~~
a.cc:22:1: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
22 | cout<<count/2;
| ^~~~
| std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
63 | extern ostream cout; ///< Linked to standard output
| ^~~~
|
s340692051
|
p03993
|
C++
|
#include<iostream>
#define rep(i,a,b) for(int i=a;i<b;i++)
using namespace std;
int main() {
int N;
int a[100000];
int sum = 0;
cin >> N >> a;
rep(i, 0, N) {
if (i + 1 == a[i]) sum++;
}
cout << sum / 2 << endl;
return 0;
}
|
a.cc: In function 'int main()':
a.cc:10:18: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'int [100000]')
10 | cin >> N >> a;
| ~~~~~~~~ ^~ ~
| | |
| | int [100000]
| std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
In file included from /usr/include/c++/14/iostream:42,
from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
170 | operator>>(bool& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:170:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'int*'
10 | cin >> N >> a;
| ^
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
174 | operator>>(short& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:174:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: invalid conversion from 'int*' to 'short int' [-fpermissive]
10 | cin >> N >> a;
| ^
| |
| int*
a.cc:10:21: error: cannot bind rvalue '(short int)((int*)(& a))' to 'short int&'
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
177 | operator>>(unsigned short& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:177:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: invalid conversion from 'int*' to 'short unsigned int' [-fpermissive]
10 | cin >> N >> a;
| ^
| |
| int*
a.cc:10:21: error: cannot bind rvalue '(short unsigned int)((int*)(& a))' to 'short unsigned int&'
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
181 | operator>>(int& __n);
| ^~~~~~~~
/usr/include/c++/14/istream:181:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: invalid conversion from 'int*' to 'int' [-fpermissive]
10 | cin >> N >> a;
| ^
| |
| int*
a.cc:10:21: error: cannot bind rvalue '(int)((int*)(& a))' to 'int&'
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
184 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:184:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: invalid conversion from 'int*' to 'unsigned int' [-fpermissive]
10 | cin >> N >> a;
| ^
| |
| int*
a.cc:10:21: error: cannot bind rvalue '(unsigned int)((int*)(& a))' to 'unsigned int&'
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
188 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:188:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: invalid conversion from 'int*' to 'long int' [-fpermissive]
10 | cin >> N >> a;
| ^
| |
| int*
a.cc:10:21: error: cannot bind rvalue '(long int)((int*)(& a))' to 'long int&'
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
192 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:192:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: invalid conversion from 'int*' to 'long unsigned int' [-fpermissive]
10 | cin >> N >> a;
| ^
| |
| int*
a.cc:10:21: error: cannot bind rvalue '(long unsigned int)((int*)(& a))' to 'long unsigned int&'
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
199 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:199:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: invalid conversion from 'int*' to 'long long int' [-fpermissive]
10 | cin >> N >> a;
| ^
| |
| int*
a.cc:10:21: error: cannot bind rvalue '(long long int)((int*)(& a))' to 'long long int&'
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
203 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/14/istream:203:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: invalid conversion from 'int*' to 'long long unsigned int' [-fpermissive]
10 | cin >> N >> a;
| ^
| |
| int*
a.cc:10:21: error: cannot bind rvalue '(long long unsigned int)((int*)(& a))' to 'long long unsigned int&'
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
328 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/14/istream:328:7: note: conversion of argument 1 would be ill-formed:
a.cc:10:21: error: cannot bind non-const lvalue reference of type 'void*&' to an rvalue of type 'void*'
10 | cin >> N >> a;
| ^
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
219 | operator>>(float& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:219:25: note: no known conversion for argument 1 from 'int [100000]' to 'float&'
219 | operator>>(float& __f)
| ~~~~~~~^~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
223 | operator>>(double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:223:26: note: no known conversion for argument 1 from 'int [100000]' to 'double&'
223 | operator>>(double& __f)
| ~~~~~~~~^~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
227 | operator>>(long double& __f)
| ^~~~~~~~
/usr/include/c++/14/istream:227:31: note: no known conversion for argument 1 from 'int [100000]' to 'long double&'
227 | operator>>(long double& __f)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:122:36: note: no known conversion for argument 1 from 'int [100000]' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
122 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]'
126 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/14/istream:126:32: note: no known conversion for argument 1 from 'int [100000]' to 'std::ba
|
s898325900
|
p03993
|
C
|
# include <stdio.h>
//# include <iostream>
//# include <cstdio>
//# include <conio.h>
//using namespace std;
const int N = 100100;
int n, a [N], i, j, k;
int main ()
{
scanf ("%d", &n);
for ( i=1; i <= n; i++ )
scanf ("%d", &a [i]);
for ( i=1; i <= n; i++ )
{
j = a [i];
if ( a [j] == i )
k++;
}
printf ("%d", k/2);
//getch();
return 0;
}
|
main.c:10:8: error: variably modified 'a' at file scope
10 | int n, a [N], i, j, k;
| ^
|
s210984925
|
p03993
|
C
|
#include <iostream>
using namespace std;
int main(){
int n;
scanf("%d", &n);
int *x = new int[n];
for (int i = 0; i < n; i++){
scanf("%d", &x[i]);
}
int count = 0;
for (int i = 0; i < n-1; i++){
for (int j = i + 1; j < n; j++){
if (x[i] == j + 1 && x[j] == i+1){
count++;
if (count == n / 2) break;
break;
}
}
}
printf("%d", count);
free(x);
return 0;
}
|
main.c:1:10: fatal error: iostream: No such file or directory
1 | #include <iostream>
| ^~~~~~~~~~
compilation terminated.
|
s280619676
|
p03993
|
C
|
#include <stdio.h>
int main(){
int n;
scanf("%d", &n);
int *x = new int[n];
for (int i = 0; i < n; i++){
scanf("%d", &x[i]);
}
int count = 0;
for (int i = 0; i < n-1; i++){
for (int j = i + 1; j < n; j++){
if (x[i] == j + 1 && x[j] == i+1){
count++;
if (count == n / 2) break;
break;
}
}
}
printf("%d", count);
free(x);
return 0;
}
|
main.c: In function 'main':
main.c:5:18: error: 'new' undeclared (first use in this function)
5 | int *x = new int[n];
| ^~~
main.c:5:18: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:22: error: expected ',' or ';' before 'int'
5 | int *x = new int[n];
| ^~~
main.c:21:9: error: implicit declaration of function 'free' [-Wimplicit-function-declaration]
21 | free(x);
| ^~~~
main.c:2:1: note: include '<stdlib.h>' or provide a declaration of 'free'
1 | #include <stdio.h>
+++ |+#include <stdlib.h>
2 | int main(){
main.c:21:9: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch]
21 | free(x);
| ^~~~
main.c:21:9: note: include '<stdlib.h>' or provide a declaration of 'free'
|
s646131779
|
p03993
|
C++
|
#include <iostream>
#include <sstream>
#include <vector>
template<typename type>
std::vector<type> input_value(std::istream& ist, int n = 0)
{
type buffer;
std::vector<type> ret;
if (n > 0)
ret.reserve(n);
while (ist >> buffer) {
ret.push_back(buffer);
}
return ret;
}
int main()
{
int n, count{ 0 };
std::string str;
std::cin >> n;
std::cin >> str;
std::vector<int> rabbits{ input_value<int>(std::istringstream(str), n) };
for (auto i{ 0 }; i < rabbits.size(); ++i) {
if (i == rabbits.at(rabbits.at(i)))
++count;
}
std::cout << count << std::endl;
}
|
a.cc: In function 'int main()':
a.cc:29:57: error: cannot bind non-const lvalue reference of type 'std::istream&' {aka 'std::basic_istream<char>&'} to an rvalue of type 'std::basic_istream<char>'
29 | std::vector<int> rabbits{ input_value<int>(std::istringstream(str), n) };
| ^~~~~~~~~~~~~~~~~~
a.cc:6:45: note: initializing argument 1 of 'std::vector<type> input_value(std::istream&, int) [with type = int; std::istream = std::basic_istream<char>]'
6 | std::vector<type> input_value(std::istream& ist, int n = 0)
| ~~~~~~~~~~~~~~^~~
a.cc:29:80: error: no matching function for call to 'std::vector<int>::vector(<brace-enclosed initializer list>)'
29 | std::vector<int> rabbits{ input_value<int>(std::istringstream(str), n) };
| ^
In file included from /usr/include/c++/14/vector:66,
from a.cc:3:
/usr/include/c++/14/bits/stl_vector.h:707:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with <template-parameter-2-2> = _InputIterator; _Tp = int; _Alloc = std::allocator<int>]'
707 | vector(_InputIterator __first, _InputIterator __last,
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:707:9: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_vector.h:678:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; allocator_type = std::allocator<int>]'
678 | vector(initializer_list<value_type> __l,
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:678:7: note: conversion of argument 1 would be ill-formed:
/usr/include/c++/14/bits/stl_vector.h:659:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, std::__type_identity_t<_Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>; std::__type_identity_t<_Alloc> = std::allocator<int>]'
659 | vector(vector&& __rv, const __type_identity_t<allocator_type>& __m)
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:659:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_vector.h:640:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = int; _Alloc = std::allocator<int>; allocator_type = std::allocator<int>; std::false_type = std::false_type]'
640 | vector(vector&& __rv, const allocator_type& __m, false_type)
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:640:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/14/bits/stl_vector.h:635:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = int; _Alloc = std::allocator<int>; allocator_type = std::allocator<int>; std::true_type = std::true_type]'
635 | vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:635:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/14/bits/stl_vector.h:624:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, std::__type_identity_t<_Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>; std::__type_identity_t<_Alloc> = std::allocator<int>]'
624 | vector(const vector& __x, const __type_identity_t<allocator_type>& __a)
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:624:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_vector.h:620:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = int; _Alloc = std::allocator<int>]'
620 | vector(vector&&) noexcept = default;
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:620:7: note: conversion of argument 1 would be ill-formed:
/usr/include/c++/14/bits/stl_vector.h:601:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>]'
601 | vector(const vector& __x)
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:601:7: note: conversion of argument 1 would be ill-formed:
/usr/include/c++/14/bits/stl_vector.h:569:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(size_type, const value_type&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; size_type = long unsigned int; value_type = int; allocator_type = std::allocator<int>]'
569 | vector(size_type __n, const value_type& __value,
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:569:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/14/bits/stl_vector.h:556:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(size_type, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; size_type = long unsigned int; allocator_type = std::allocator<int>]'
556 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:556:7: note: conversion of argument 1 would be ill-formed:
/usr/include/c++/14/bits/stl_vector.h:542:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; allocator_type = std::allocator<int>]'
542 | vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:542:7: note: conversion of argument 1 would be ill-formed:
/usr/include/c++/14/bits/stl_vector.h:531:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = int; _Alloc = std::allocator<int>]'
531 | vector() = default;
| ^~~~~~
/usr/include/c++/14/bits/stl_vector.h:531:7: note: candidate expects 0 arguments, 1 provided
|
s330005352
|
p03993
|
C++
|
# cook your code here
a = int(raw_input())
ss = raw_input().split()
lst = []
c = 0
i = 0
for s in ss:
if s not in lst:
if int(ss[int(ss[i])-1]) == i+1:
c=c+1
lst.append(s)
lst.append(ss[int(ss[i])-1])
i=i+1
print c
|
a.cc:1:3: error: invalid preprocessing directive #cook
1 | # cook your code here
| ^~~~
a.cc:2:1: error: 'a' does not name a type
2 | a = int(raw_input())
| ^
|
s958736742
|
p03993
|
C++
|
# cook your code here
a = int(raw_input())
ss = raw_input().split()
lst = []
c = 0
i = 0
for s in ss:
if s not in lst:
if int(ss[int(ss[i])-1]) == i+1:
c=c+1
lst.append(s)
lst.append(ss[int(ss[i])-1])
i=i+1
print c
|
a.cc:1:3: error: invalid preprocessing directive #cook
1 | # cook your code here
| ^~~~
a.cc:2:1: error: 'a' does not name a type
2 | a = int(raw_input())
| ^
|
s599198099
|
p03993
|
C++
|
#include <iostream>
#include <string>
using namespace std;
int main(){
int number;
cin >> number;
string likes;
cin >> likes;
int pairs = 0;
for(int i = 0; i < number; i++){
int r1 = i+1;
int r1_likes = atoi(likes[i*2]);
int r2_likes = atoi(likes[r1_likes*2]);
if(r1 == r2_likes)
pairs++;
}
cout << pairs << endl;
return 0;
}
|
a.cc: In function 'int main()':
a.cc:17:28: error: invalid conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const char*' [-fpermissive]
17 | int r1_likes = atoi(likes[i*2]);
| ~~~~^~~~~~~~~~~~
| |
| __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type {aka 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,
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:18:28: error: invalid conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const char*' [-fpermissive]
18 | int r2_likes = atoi(likes[r1_likes*2]);
| ~~~~^~~~~~~~~~~~~~~~~~~
| |
| __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type {aka char}
/usr/include/stdlib.h:105:30: note: initializing argument 1 of 'int atoi(const char*)'
105 | extern int atoi (const char *__nptr)
| ~~~~~~~~~~~~^~~~~~
|
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