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s145600898
p04030
C++
#include<iostream> #include<cstring> using namespace std; char s[105],ans[105]; int main() { gets(s); int len=strlen(s),tot=0; for(int i=0;i<len;i++) { if(s[i]=='0') ans[++tot]='0'; if(s[i]=='B'&&tot>0) tot--; if(s[i]=='1') ans[++tot]='1'; } for(int i=1;i<=tot;i++) { cout<<ans[i]; } return 0; }
a.cc: In function 'int main()': a.cc:7:9: error: 'gets' was not declared in this scope; did you mean 'getw'? 7 | gets(s); | ^~~~ | getw
s557728874
p04030
C++
#include<cstdio> #include<cmath> #include<iostream> typedef long long ll; using namespace std; char a[100000]; int main() { int n,i; scanf("%s",a); n = strlen(a); for(i = 0; i < n ; i++) { if(a[i] == '0') printf("0"); else if(a[i] == '1') printf("1"); else printf("\b"); } printf("\n"); return 0; }
a.cc: In function 'int main()': a.cc:12:13: error: 'strlen' was not declared in this scope 12 | n = strlen(a); | ^~~~~~ a.cc:4:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>' 3 | #include<iostream> +++ |+#include <cstring> 4 | typedef long long ll;
s190370064
p04030
C++
knight 2018/9/29 22:18:56 #include<stdio.h> #include<stdlib.h> #include<cstring> int main() { char s[100],ss[100]; int i=0,j=0,a=0; int b[100]; for(i = 0 ; i < 10 ; i++)b[i] = 1; scanf("%s",s); a = strlen(s); for(i=0;i<a;i++) { if(s[i]=='B') { b[i]=0; for(j = i; j >=0 ;j--) { if(b[j]!=0) { b[j]=0; break; } } } } j = 0; for(i=0;i<a;i++) { if(b[i]==1){ ss[j]=s[i]; j++; } } ss[j] = 0; printf("%s\n", ss); return 1; }
a.cc:2:1: error: 'knight' does not name a type 2 | knight 2018/9/29 22:18:56 | ^~~~~~ In file included from /usr/include/c++/14/cstdlib:79, from /usr/include/c++/14/stdlib.h:36, from a.cc:4: /usr/include/stdlib.h:98:8: error: 'size_t' does not name a type 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 '<cstddef>'; this is probably fixable by adding '#include <cstddef>' 41 | # include <bits/waitstatus.h> +++ |+#include <cstddef> 42 | /usr/include/stdlib.h:278:36: error: 'size_t' has not been declared 278 | extern int strfromd (char *__dest, size_t __size, const char *__format, | ^~~~~~ /usr/include/stdlib.h:282:36: error: 'size_t' has not been declared 282 | extern int strfromf (char *__dest, size_t __size, const char *__format, | ^~~~~~ /usr/include/stdlib.h:286:36: error: 'size_t' has not been declared 286 | extern int strfroml (char *__dest, size_t __size, const char *__format, | ^~~~~~ /usr/include/stdlib.h:298:38: error: 'size_t' has not been declared 298 | extern int strfromf32 (char *__dest, size_t __size, const char * __format, | ^~~~~~ /usr/include/stdlib.h:304:38: error: 'size_t' has not been declared 304 | extern int strfromf64 (char *__dest, size_t __size, const char * __format, | ^~~~~~ /usr/include/stdlib.h:310:39: error: 'size_t' has not been declared 310 | extern int strfromf128 (char *__dest, size_t __size, const char * __format, | ^~~~~~ /usr/include/stdlib.h:316:39: error: 'size_t' has not been declared 316 | extern int strfromf32x (char *__dest, size_t __size, const char * __format, | ^~~~~~ /usr/include/stdlib.h:322:39: error: 'size_t' has not been declared 322 | extern int strfromf64x (char *__dest, size_t __size, const char * __format, | ^~~~~~ In file included from /usr/include/stdlib.h:514: /usr/include/x86_64-linux-gnu/sys/types.h:33:9: error: '__u_char' does not name a type 33 | typedef __u_char u_char; | ^~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:34:9: error: '__u_short' does not name a type 34 | typedef __u_short u_short; | ^~~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:35:9: error: '__u_int' does not name a type 35 | typedef __u_int u_int; | ^~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:36:9: error: '__u_long' does not name a type 36 | typedef __u_long u_long; | ^~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:37:9: error: '__quad_t' does not name a type 37 | typedef __quad_t quad_t; | ^~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:38:9: error: '__u_quad_t' does not name a type 38 | typedef __u_quad_t u_quad_t; | ^~~~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:39:9: error: '__fsid_t' does not name a type 39 | typedef __fsid_t fsid_t; | ^~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:42:9: error: '__loff_t' does not name a type; did you mean '__locale_t'? 42 | typedef __loff_t loff_t; | ^~~~~~~~ | __locale_t /usr/include/x86_64-linux-gnu/sys/types.h:47:9: error: '__ino_t' does not name a type 47 | typedef __ino_t ino_t; | ^~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:54:9: error: '__ino64_t' does not name a type 54 | typedef __ino64_t ino64_t; | ^~~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:59:9: error: '__dev_t' does not name a type 59 | typedef __dev_t dev_t; | ^~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:64:9: error: '__gid_t' does not name a type 64 | typedef __gid_t gid_t; | ^~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:69:9: error: '__mode_t' does not name a type; did you mean '__locale_t'? 69 | typedef __mode_t mode_t; | ^~~~~~~~ | __locale_t /usr/include/x86_64-linux-gnu/sys/types.h:74:9: error: '__nlink_t' does not name a type 74 | typedef __nlink_t nlink_t; | ^~~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:79:9: error: '__uid_t' does not name a type 79 | typedef __uid_t uid_t; | ^~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:97:9: error: '__pid_t' does not name a type 97 | typedef __pid_t pid_t; | ^~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:103:9: error: '__id_t' does not name a type 103 | typedef __id_t id_t; | ^~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:114:9: error: '__daddr_t' does not name a type 114 | typedef __daddr_t daddr_t; | ^~~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:115:9: error: '__caddr_t' does not name a type 115 | typedef __caddr_t caddr_t; | ^~~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:121:9: error: '__key_t' does not name a type 121 | typedef __key_t key_t; | ^~~~~~~ In file included from /usr/include/x86_64-linux-gnu/sys/types.h:126: /usr/include/x86_64-linux-gnu/bits/types/clock_t.h:7:9: error: '__clock_t' does not name a type 7 | typedef __clock_t clock_t; | ^~~~~~~~~ In file included from /usr/include/x86_64-linux-gnu/sys/types.h:128: /usr/include/x86_64-linux-gnu/bits/types/clockid_t.h:7:9: error: '__clockid_t' does not name a type 7 | typedef __clockid_t clockid_t; | ^~~~~~~~~~~ In file included from /usr/include/x86_64-linux-gnu/sys/types.h:129: /usr/include/x86_64-linux-gnu/bits/types/time_t.h:10:9: error: '__time_t' does not name a type 10 | typedef __time_t time_t; | ^~~~~~~~ In file included from /usr/include/x86_64-linux-gnu/sys/types.h:130: /usr/include/x86_64-linux-gnu/bits/types/timer_t.h:7:9: error: '__timer_t' does not name a type 7 | typedef __timer_t timer_t; | ^~~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:134:9: error: '__useconds_t' does not name a type 134 | typedef __useconds_t useconds_t; | ^~~~~~~~~~~~ /usr/include/x86_64-linux-gnu/sys/types.h:138:9: error: '__suseconds_t' does not name a type 138 | typedef __suseconds_t suseconds_t; | ^~~~~~~~~~~~~ In file included from /usr/include/x86_64-linux-gnu/sys/types.h:155: /usr/include/x86_64-linux-gnu/bits/stdint-intn.h:24:9: error: '__int8_t' does not name a type; did you mean '__int128_t'? 24 | typedef __int8_t int8_t; | ^~~~~~~~ | __int128_t /usr/include/x86_64-linux-gnu/bits/stdint-intn.h:25:9: error: '__int16_t' does not name a type; did you mean '__int128_t'? 25 | typedef __int16_t int16_t; | ^~~~~~~~~ | __int128_t /usr/include/x86_64-linux-gnu/bits/stdint-intn.h:26:9: error: '__int32_t' does not name a type; did you mean '__int128_t'? 26 | typedef __int32_t int32_t; | ^~~~~~~~~ | __int128_t /usr/include/x86_64-linux-gnu/bits/stdint-intn.h:27:9: error: '__int64_t' does not name a type; did you mean '__int128_t'? 27 | typedef __int64_t int64_t; | ^~~~~~~~~ | __int128_t /usr/include/x86_64-linux-gnu/sys/types.h:158:9: error: '__uint8_t' does not name a type; did you mean '__uint128_t'? 158 | typedef __uint8_t u_int8_t; | ^~~~~~~~~ | __uint128_t /usr/include/x86_64-linux-gnu/sys/types.h:159:9: error: '__uint16_t' does not name a type; did you mean '__uint128_t'? 159 | typedef __uint16_t u_int16_t; | ^~~~~~~~~~ | __uint128_t /usr/include/x86_64-linux-gnu/sys/types.h:160:9: error: '__uint32_t' does not name a type; did you mean '__uint128_t'? 160 | typedef __uint32_t u_int32_t; | ^~~~~~~~~~ | __uint128_t /usr/include/x86_64-linux-gnu/sys/types.h:161:9: error: '__uint64_t' does not name a type; did you mean '__uint128_t'? 161 | typedef __uint64_t u_int64_t; | ^~~~~~~~~~ | __uint128_t In file included from /usr/include/endian.h:35, from /usr/include/x86_64-linux-gnu/sys/types.h:176: /usr/include/x86_64-linux-gnu/bits/byteswap.h:33:17: error: '__uint16_t' does not name a type; did you mean '__uint128_t'? 33 | static __inline __uint16_t | ^~~~~~~~~~ | __uint128_t /usr/include/x86_64-linux-gnu/bits/byteswap.h:48:17: error: '__uint32_t' does not name a type; did you mean '__uint128_t'? 48 | static __inline __uint32_t | ^~~~~~~~~~ | __uint128_t /usr/include/x86_64-linux-gnu/bits/byteswap.h:69:31: error: '__uint64_t' does not name a type; did you mean '__uint128_t'? 69 | __extension__ static __inline __uint64_t | ^~~~~~~~~~ | __uint128_t In file included from /usr/include/endian.h:36: /usr/include/x86_64-linux-gnu/bits/uintn-identity.h:32:17: error: '__uint16_t' does not name a type; did you mean '__uint128_t'? 32 | static __inline __uint16_t | ^~~~~~~~~~ | __uint128_t /usr/include/x86_64-linux-gnu/bits/uintn-identity.h:38:17: error: '__uint32_t' does not name a type; did you mean '__uint128_t'? 38 | static __inline __uint32_t | ^~~~~~~~~~ | __uint128_t /usr/include/x86_64-linux-gnu/bits/uintn-identity.h:44:17: error: '__uint64_t' does not name a type; did you mean '__uint128_t'? 44 | static __inline __uint64_t | ^~~~~~~~~~ | __uint128_t In file included from /usr/include/x86_64-linux-gnu/sys/select.h:37, from /usr/include/x86_64-linux-gnu/sys/types.h:179: /usr/include/x86_64-linux-gnu/bits/types/struct_timeval.h:14:3: error: '__time_t' does not name a type; did you mean '__sigset_t'? 14 | __time_t tv_sec; /* Seconds. */ | ^~~~~~~~ | __sigset_t /usr/include/x86_64-
s692460159
p04030
C
*s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);}
main.c:1:1: warning: data definition has no type or storage class 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:2: error: type defaults to 'int' in declaration of 's' [-Wimplicit-int] 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:4: error: type defaults to 'int' in declaration of 'c' [-Wimplicit-int] 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:13: error: initialization of 'char *' from incompatible pointer type 'int *' [-Wincompatible-pointer-types] 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:13: error: initializer element is not constant main.c:1:20: error: initialization of 'char *' from incompatible pointer type 'int *' [-Wincompatible-pointer-types] 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:20: error: initializer element is not constant main.c:1:24: error: return type defaults to 'int' [-Wimplicit-int] 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^~~~ main.c: In function 'main': main.c:1:35: error: implicit declaration of function 'gets' [-Wimplicit-function-declaration] 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^~~~ main.c:1:46: warning: comparison of distinct pointer types lacks a cast [-Wcompare-distinct-pointer-types] 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:75: error: implicit declaration of function 'puts' [-Wimplicit-function-declaration] 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^~~~ main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'puts' +++ |+#include <stdio.h> 1 | *s,c;char*p=s+3,*q=s+3;main(){for(gets(s);p-->s;)*p-66?!c?*--q=*p:c--:c++;puts(q);}
s933497060
p04030
C
s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);}
main.c:1:1: warning: data definition has no type or storage class 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:1: error: type defaults to 'int' in declaration of 's' [-Wimplicit-int] main.c:1:13: error: initialization of 'char *' from incompatible pointer type 'int *' [-Wincompatible-pointer-types] 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:20: error: initialization of 'char *' from incompatible pointer type 'int *' [-Wincompatible-pointer-types] 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:24: warning: data definition has no type or storage class 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^ main.c:1:24: error: type defaults to 'int' in declaration of 'c' [-Wimplicit-int] main.c:1:26: error: return type defaults to 'int' [-Wimplicit-int] 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^~~~ main.c: In function 'main': main.c:1:37: error: implicit declaration of function 'gets' [-Wimplicit-function-declaration] 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^~~~ main.c:1:48: error: invalid operands to binary - (have 'char *' and 'int *') 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ~~~^ | | | | | int * | char * main.c:1:77: error: implicit declaration of function 'puts' [-Wimplicit-function-declaration] 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);} | ^~~~ main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'puts' +++ |+#include <stdio.h> 1 | s[9];char*p=s+3,*q=s+3;c;main(){for(gets(s);p---s;)*p-66?!c?*--q=*p:c--:c++;puts(q);}
s124647721
p04030
C++
#include<bits/stdc++.h> using namespace std; int main(){ string s; cin>>s; string t; t=""; for(int i=0;i<s.size();i++)P{ if(s[i]=='1') t+='1'; else if(s[i]=='0') t+='0'; else if(t.size()>0) t.erase(t.end()-1); } cout<<t; return 0; }
a.cc: In function 'int main()': a.cc:8:36: error: 'P' was not declared in this scope 8 | for(int i=0;i<s.size();i++)P{ | ^
s558970807
p04030
C++
#include<bits/stdc++.h> using namespace std; int main(){ string s; cin>>s; string t=""; for(int i=0;i<s.size();i++)P{ if(s[i]=='1') t+='1'; else if(s[i]=='0') t+='0'; else if(t.size()>0) t.erase(t.end()-1); } cout<<t; }
a.cc: In function 'int main()': a.cc:8:36: error: 'P' was not declared in this scope 8 | for(int i=0;i<s.size();i++)P{ | ^
s433307666
p04030
C++
#include<bits/stdc++.h> using namespace std; int main(){ string s; cin>>s; strint t=""; for(int i=0;i<s.size();i++)P{ if(s[i]=='1') t+='1'; else if(s[i]=='0') t+='0'; else if(t.size()>0) t.erase(t.end()-1); } cout<<t; }
a.cc: In function 'int main()': a.cc:6:9: error: 'strint' was not declared in this scope; did you mean 'strcat'? 6 | strint t=""; | ^~~~~~ | strcat a.cc:7:36: error: 'P' was not declared in this scope 7 | for(int i=0;i<s.size();i++)P{ | ^ a.cc:12:15: error: 't' was not declared in this scope 12 | cout<<t; | ^
s027060171
p04030
C++
#include <bits/stdc++.h> using namespace std; int main() { int i,pos,a; string s; cin>>s; for(i=1;i<=s.size();i++) { if(s[1]=='B') { a.erase('B',2) } if(s[1]==0) { a+=0; } else { a+=1; } } cout<<a; }
a.cc: In function 'int main()': a.cc:12:27: error: request for member 'erase' in 'a', which is of non-class type 'int' 12 | a.erase('B',2) | ^~~~~
s321878738
p04030
C++
#include <bits/stdc++.h> using namespace std; int main() { int i,s,pos,a; cin>>s; for(i=1;i<=s.size();i++) { if(s[1]=='B') { a.erase('B',2) } if(s[1]==0) { a+=0; } else { a+=1; } } cout<<a; }
a.cc: In function 'int main()': a.cc:7:22: error: request for member 'size' in 's', which is of non-class type 'int' 7 | for(i=1;i<=s.size();i++) | ^~~~ a.cc:9:21: error: invalid types 'int[int]' for array subscript 9 | if(s[1]=='B') | ^ a.cc:11:27: error: request for member 'erase' in 'a', which is of non-class type 'int' 11 | a.erase('B',2) | ^~~~~ a.cc:13:21: error: invalid types 'int[int]' for array subscript 13 | if(s[1]==0) | ^
s582158620
p04030
C++
#include <iostream> #include <algorithm> #include <stack> using namespace std; int main(){ string a; stack<string>s; cin>>a; for(int i=0;i<a.size();i++){ if(a[i]=='0'){s.push('0');} else if(a[i]=='1'){s.push('1');} else{s.pop();} } cout<<s<<endl; }
a.cc: In function 'int main()': a.cc:10:33: error: no matching function for call to 'std::stack<std::__cxx11::basic_string<char> >::push(char)' 10 | if(a[i]=='0'){s.push('0');} | ~~~~~~^~~~~ In file included from /usr/include/c++/14/stack:63, from a.cc:3: /usr/include/c++/14/bits/stl_stack.h:258:7: note: candidate: 'void std::stack<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::__cxx11::basic_string<char>; _Sequence = std::deque<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char> > >; value_type = std::__cxx11::basic_string<char>]' 258 | push(const value_type& __x) | ^~~~ /usr/include/c++/14/bits/stl_stack.h:258:30: note: no known conversion for argument 1 from 'char' to 'const std::stack<std::__cxx11::basic_string<char> >::value_type&' {aka 'const std::__cxx11::basic_string<char>&'} 258 | push(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/14/bits/stl_stack.h:263:7: note: candidate: 'void std::stack<_Tp, _Sequence>::push(value_type&&) [with _Tp = std::__cxx11::basic_string<char>; _Sequence = std::deque<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char> > >; value_type = std::__cxx11::basic_string<char>]' 263 | push(value_type&& __x) | ^~~~ /usr/include/c++/14/bits/stl_stack.h:263:25: note: no known conversion for argument 1 from 'char' to 'std::stack<std::__cxx11::basic_string<char> >::value_type&&' {aka 'std::__cxx11::basic_string<char>&&'} 263 | push(value_type&& __x) | ~~~~~~~~~~~~~^~~ a.cc:11:38: error: no matching function for call to 'std::stack<std::__cxx11::basic_string<char> >::push(char)' 11 | else if(a[i]=='1'){s.push('1');} | ~~~~~~^~~~~ /usr/include/c++/14/bits/stl_stack.h:258:7: note: candidate: 'void std::stack<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::__cxx11::basic_string<char>; _Sequence = std::deque<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char> > >; value_type = std::__cxx11::basic_string<char>]' 258 | push(const value_type& __x) | ^~~~ /usr/include/c++/14/bits/stl_stack.h:258:30: note: no known conversion for argument 1 from 'char' to 'const std::stack<std::__cxx11::basic_string<char> >::value_type&' {aka 'const std::__cxx11::basic_string<char>&'} 258 | push(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/14/bits/stl_stack.h:263:7: note: candidate: 'void std::stack<_Tp, _Sequence>::push(value_type&&) [with _Tp = std::__cxx11::basic_string<char>; _Sequence = std::deque<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char> > >; value_type = std::__cxx11::basic_string<char>]' 263 | push(value_type&& __x) | ^~~~ /usr/include/c++/14/bits/stl_stack.h:263:25: note: no known conversion for argument 1 from 'char' to 'std::stack<std::__cxx11::basic_string<char> >::value_type&&' {aka 'std::__cxx11::basic_string<char>&&'} 263 | push(value_type&& __x) | ~~~~~~~~~~~~~^~~ a.cc:14:13: error: no match for 'operator<<' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'std::stack<std::__cxx11::basic_string<char> >') 14 | cout<<s<<endl; | ~~~~^~~ | | | | | std::stack<std::__cxx11::basic_string<char> > | std::ostream {aka std::basic_ostream<char>} In file included from /usr/include/c++/14/iostream:41, from a.cc:1: /usr/include/c++/14/ostream:116:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ostream_type& (*)(__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 116 | operator<<(__ostream_type& (*__pf)(__ostream_type&)) | ^~~~~~~~ /usr/include/c++/14/ostream:116:36: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&)' {aka 'std::basic_ostream<char>& (*)(std::basic_ostream<char>&)'} 116 | operator<<(__ostream_type& (*__pf)(__ostream_type&)) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/14/ostream:125:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>; __ios_type = std::basic_ios<char>]' 125 | operator<<(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/14/ostream:125:32: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'std::basic_ostream<char>::__ios_type& (*)(std::basic_ostream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} 125 | operator<<(__ios_type& (*__pf)(__ios_type&)) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ /usr/include/c++/14/ostream:135:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 135 | operator<<(ios_base& (*__pf) (ios_base&)) | ^~~~~~~~ /usr/include/c++/14/ostream:135:30: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'std::ios_base& (*)(std::ios_base&)' 135 | operator<<(ios_base& (*__pf) (ios_base&)) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ /usr/include/c++/14/ostream:174:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 174 | operator<<(long __n) | ^~~~~~~~ /usr/include/c++/14/ostream:174:23: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'long int' 174 | operator<<(long __n) | ~~~~~^~~ /usr/include/c++/14/ostream:178:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 178 | operator<<(unsigned long __n) | ^~~~~~~~ /usr/include/c++/14/ostream:178:32: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'long unsigned int' 178 | operator<<(unsigned long __n) | ~~~~~~~~~~~~~~^~~ /usr/include/c++/14/ostream:182:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 182 | operator<<(bool __n) | ^~~~~~~~ /usr/include/c++/14/ostream:182:23: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'bool' 182 | operator<<(bool __n) | ~~~~~^~~ In file included from /usr/include/c++/14/ostream:1022: /usr/include/c++/14/bits/ostream.tcc:96:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits<char>]' 96 | basic_ostream<_CharT, _Traits>:: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/ostream.tcc:97:22: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'short int' 97 | operator<<(short __n) | ~~~~~~^~~ /usr/include/c++/14/ostream:189:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 189 | operator<<(unsigned short __n) | ^~~~~~~~ /usr/include/c++/14/ostream:189:33: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'short unsigned int' 189 | operator<<(unsigned short __n) | ~~~~~~~~~~~~~~~^~~ /usr/include/c++/14/bits/ostream.tcc:110:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits<char>]' 110 | basic_ostream<_CharT, _Traits>:: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/ostream.tcc:111:20: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'int' 111 | operator<<(int __n) | ~~~~^~~ /usr/include/c++/14/ostream:200:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 200 | operator<<(unsigned int __n) | ^~~~~~~~ /usr/include/c++/14/ostream:200:31: note: no known conversion for argument 1 from 'std::stack<std::__cxx11::basic_string<char> >' to 'unsigned int' 200 | operator<<(unsigned int __n) | ~~~~~~~~~~~~~^~~ /usr/include/c++/14/ostream:211:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 211 | operator<<(long long __n) | ^~~~~~~~ /usr/include/c++/14/ostream:211:28: note: no known conversion for argument 1 from 'std::stack<std::_
s693263431
p04030
C++
#include <iostream> #include <string> int main() { std::string s; std::cin >> s; std::string str = ""; for (int i = 0; i < n; ++i) { if ( s[i] == 'B' && str.length() > 0 ) { str.erase(str.length() - 1); } else if ( s[i] != 'B' ) { str += s[i]; } } std::cout << str << std::endl; return 0; }
a.cc: In function 'int main()': a.cc:9:23: error: 'n' was not declared in this scope 9 | for (int i = 0; i < n; ++i) { | ^
s729106064
p04030
C++
/* |\_/| |* *| \_+_/ */ #include<bits/stdc++.h> #define endl '\n' using namespace std; int main(){ cin.tie(0); // cout と cin の同期を切る ios::sync_with_stdio(false); /* cの stdioストリーム (printfとか)と*/ stack <int > st; queue<int>st2; string str; cin>>str; for(int i=0;i<str.length();i++){ if(str[i]=='B'){ if(st.size()){ st.pop(); } } else{ if(str[i]=='1'){ st.push(1); }else{ st.push(0); } } } while(st.size()){ st2.push(st.top()); st.pop(); } while(st2.size()){ cout<<st2.top(); st2.pop(); } cout<<endl; return 0; }
a.cc: In function 'int main()': a.cc:54:15: error: 'class std::queue<int>' has no member named 'top'; did you mean 'pop'? 54 | cout<<st2.top(); | ^~~ | pop
s737039914
p04030
C++
#include <iostream> #include <cstring> #include <string> #include <algorithm> #include <string.h> #include <cstdio> using namespace std; void deleteAllMark(string &s, const string &mark) { size_t nSize = mark.size(); while(1) { size_t pos = s.find(mark); if(pos == string::npos) { return; } s.erase(pos, nSize); } } int main(void) { string input; cin >> input; //cout << input[input.length()-1] << endl; string screen=""; for(int i=0;i<input.length();i++) { if(input[i]=='B') { deleteAllMark(screen," "); screen[screen.length()-1]=' '; deleteAllMark(screen," "); //cout << screen << endl; } else { screen+=input[i]; //cout << screen << endl; } } cout << screen << endl;
a.cc: In function 'int main()': a.cc:42:28: error: expected '}' at end of input 42 | cout << screen << endl; | ^ a.cc:22:1: note: to match this '{' 22 | { | ^
s095747979
p04030
C
#include<stdio.h> #include<string.h> int main(){ char s[11]; int flag[10]={}; scanf("%s",s); for(int i=0;i<strlen(s);i++){ if(s[i]!='B') flad[i]=1; else{ for(int j=i-1;j>=0;j--){ if(flag[j]==1){ flag[j]=0; break; } } } } for(int i=0;i<strlen(s);i++) if(flag[i]) printf("%c",s[i]); printf("\n"); }
main.c: In function 'main': main.c:9:7: error: 'flad' undeclared (first use in this function); did you mean 'flag'? 9 | flad[i]=1; | ^~~~ | flag main.c:9:7: note: each undeclared identifier is reported only once for each function it appears in
s390465866
p04030
C
#include<stdio.h> #include<string.h> int main(){ char s[11]; flag[10]={}; scanf("%s",s); for(int i=0;i<strlen(s);i++){ if(s[i]!='B') flad[i]=1; else{ for(int j=i-1;j>=0;j--){ if(flag[j]==1){ flag[j]=0; break; } } } } for(int i=0;i<strlen(s);i++) if(flag[i]) printf("%c",s[i]); printf("\n"); }
main.c: In function 'main': main.c:5:3: error: 'flag' undeclared (first use in this function) 5 | flag[10]={}; | ^~~~ main.c:5:3: note: each undeclared identifier is reported only once for each function it appears in main.c:5:12: error: expected expression before '{' token 5 | flag[10]={}; | ^ main.c:9:7: error: 'flad' undeclared (first use in this function) 9 | flad[i]=1; | ^~~~
s763305701
p04030
C++
#include <bits/stdc++.h> using namespace std; int main(){ string s="",command; cin>>command; for(int i=0;i<command.size();i++){ switch(command[i]){ case '0': s+='0'; break; case '1': s+='1'; break; case 'B': if(s.size()!=0){ s-=s[s.size()-1]; } break; } } cout<<s<<endl; }
a.cc: In function 'int main()': a.cc:17:12: error: no match for 'operator-=' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'}) 17 | s-=s[s.size()-1];
s788557786
p04030
C
#include <stdio.h> #include <string.h> int main(void){ char s[11],c[11]; int i,j=0; scanf("%s",s); for(i=0;i<strlen(s);i++){ if(s[i]!='B') c[j++]=s[i]; else{ if(j>0) c[--j]='\0'; else c[j]='\0'; } c[j]='\0'; printf("%s",c); return 0; }
main.c: In function 'main': main.c:16:1: error: expected declaration or statement at end of input 16 | } | ^
s957716296
p04030
C
#include <stdio.h> #include <string.h> int main(void){ char s[11],c[11]; int i,j=0; scanf("%s",s); for(i=0;i<strlen(s);i++){ if(s[i]!='B') c[j++]=s[i]; else j>0?c[--j]='\0':c[j]='\0'; } c[j]='\0'; printf("%s",c); return 0; }
main.c: In function 'main': main.c:9:28: error: lvalue required as left operand of assignment 9 | else j>0?c[--j]='\0':c[j]='\0'; | ^
s452776992
p04030
C++
#include <bits/stdc++.h> using namespace std; int main(){ string s; char c; while(cin>>c){ if(c-'B'){ s+=c; }else if(s!=""){ s.pop_back; } cout<<s<<endl; } }
a.cc: In function 'int main()': a.cc:11:9: error: invalid use of non-static member function 'void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pop_back() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 11 | s.pop_back; | ~~^~~~~~~~ In file included from /usr/include/c++/14/string:54, from /usr/include/c++/14/bitset:52, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52, from a.cc:1: /usr/include/c++/14/bits/basic_string.h:2174:7: note: declared here 2174 | pop_back() noexcept | ^~~~~~~~
s374089014
p04030
C++
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define int ll #define REP(i,n) for(ll i=0;i<n;++i) #define SORT(name) sort(name.begin(), name.end()) #define ZERO(p) memset(p, 0, sizeof(p)) #define MINUS(p) memset(p, -1, sizeof(p)) #if 1 # define DBG(fmt, ...) printf(fmt, ##__VA_ARGS__) #else # define DBG(fmt, ...) #endif const ll LLINF = (1LL<<60); const int INF = (1LL<<30); const double DINF = std::numeric_limits<double>::infinity(); const int MOD = 1000000007; #define MAX_N 30 signed main() { string S; cin >> S; vetor<int> ans; REP(i, S.length()) { if(S[i] == '1') { ans.push_back(1); } else if(S[i] == '0') { ans.push_back(0); } else if(ans.size() > 0) { ans.pop_back(); } } REP(i, ans.size()) { printf("%lld", ans[i]); } printf("\n"); return 0; }
a.cc: In function 'int main()': a.cc:27:5: error: 'vetor' was not declared in this scope 27 | vetor<int> ans; | ^~~~~ a.cc:27:14: error: expected primary-expression before '>' token 27 | vetor<int> ans; | ^ a.cc:27:16: error: 'ans' was not declared in this scope; did you mean 'abs'? 27 | vetor<int> ans; | ^~~ | abs
s463605559
p04030
C++
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<vi> vvi; #define all(x) (x).begin(),(x).end() #define sz(x) ((int)(x).size()) // {{{ template<typename T> void printmatrix(vector<vector<T> > ar){ for (int i = 0; i < (int)ar.size(); i++) { for (int j = 0; j < (int)ar[0].size(); j++) { cout << ar[i][j]; } cout << endl; } } template<typename T> void printvector(vector<T> vec){ for (int i = 0; i < (int)vec.size(); i++) { cout << vec[i] << endl; } } template<typename T> void unique(vector<T>& vec){ sort(vec.begin(), vec.end()); vec.erase(unique(vec.begin(), vec.end()), vec.end()); } template<typename T> vector<T> cumsum(vector<T> vec){ vector<T> newvec((T)vec.size()); int tmp = 0; for (int i = 0; i < (int)vec.size(); i++) { tmp += vec[i]; newvec[i] = tmp; } return newvec; } template<typename T> T digitsum(T x){ T y=0; while(x){ y += x % 10; x /= 10; } return y; } template<typename T> T gcd(T x, T y){ if (x == 0 || y == 0) { return 0; } while (x != y){ if (x > y) { x -= y; }else{ y -= x; } } return x; } // }}} /* vim:set foldmethod=marker: */ void solve(){ string s; cin >> s; string ans=""; for (int i = s.length()-1; i >= 0; i--) { // cout << i << endl; if (s[i] != 'B') { // cout << i << endl; ans = s[i] + ans; }else{ if (i >= 1 && s[i] == 'B') { i-=2; }else{ i--; } } } cout << ans << endl; return; } int main(int argc, char const* argv[]) { solve(); return 0; } // sortの仕方 // int a[N]; // array<int,N> ar; // vector<int> v; // // sort(a, a+N); // 配列 // sort(ar.begin(), ar.end()); // array // sort(v.begin(), v.end()); // vector 昇順 // sort(v.begin(), v.end(), greater<int>()); // 降順 // Template // template <class T> // T foomax(T x, T y){ // if (x > y){ // return x; // }else{ // return y; // } // } // string を int に変換 stoi("1010") // int を string に変換 to_string(1010) // map の key, value を全て抜き出す。 // for (auto itr = mp.begin(); itr != mp.end(); itr++) { // cout << "key" << itr->first << " value" << itr->second << endl; /
a.cc:132:1: error: expected unqualified-id before '/' token 132 | / | ^
s683213862
p04030
C++
#include <bits/stdc++.h> using namespace std; int main() { string S; cin >> S; int s=S.size(); for(int i=0;i<s;i++){
a.cc: In function 'int main()': a.cc:8:24: error: expected '}' at end of input 8 | for(int i=0;i<s;i++){ | ~^ a.cc:8:24: error: expected '}' at end of input a.cc:4:12: note: to match this '{' 4 | int main() { | ^
s413727981
p04030
Java
import java.util.*; public class Main { public static void main(String[] args) { // 自分の得意な言語で // Let's チャレンジ!! ArrayList<String> in=new ArrayList<String>(); Scanner sc = new Scanner(System.in); String line = sc.nextLine(); String s[]=line.split("",0); for(int i=0;i<s.length;i++){ if(s[i].equals("1")) in.add("1"); if(s[i].equals("0")) in.add("0"); if(s[i].equals("B")&&in.size()!=0) in.remove(in.size()-1); } for(int i=0;i<in.size();i++) System.out.print(in.get(i)); } System.out.println(); }
Main.java:25: error: <identifier> expected System.out.println(); ^ 1 error
s638083141
p04030
C++
S = input() #print(S) ans = [] for str in S: if str == '0': ans.append('0') elif str == '1': ans.append('1') else: if len(ans) > 0: ans.pop() for a in ans: print(a,end ="") print()
a.cc:3:2: error: invalid preprocessing directive #print 3 | #print(S) | ^~~~~ a.cc:1:1: error: 'S' does not name a type 1 | S = input() | ^
s664984816
p04030
C++
#include<iostream> using namespace std; int main(){ string ans,s; cin >> s; for (int i = 0; i < s.size(); i++){ if(s[i] == '0') ans += '0'; else if(s[i] == '1') ans += '1'; else if(s[i] == 'B' && s[i] != "") ans.pop_back(); } cout << ans << endl; }
a.cc: In function 'int main()': a.cc:13:45: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 13 | else if(s[i] == 'B' && s[i] != "")
s831502764
p04030
C++
#include<iostream> #include<string> #include<vector> using namespace std; int main() { string s; cin >> s; vector<char> v; int n = s.size(); for (int i = 0;i < n;i++) { if (s[i] == '0')v.push_back('0'); else if (s[i] == '1')v.push_back('1'); else v.pop_back(); } int m = v.size(); for (int i = 0;i < m;i++)cout << v[i]; }
a.cc:7:9: error: extended character   is not valid in an identifier 7 | string s; | ^ a.cc: In function 'int main()': a.cc:7:9: error: 'string\U00003000s' was not declared in this scope 7 | string s; | ^~~~~~~~~ a.cc:8:16: error: 's' was not declared in this scope 8 | cin >> s; | ^
s291510966
p04030
C++
#include<iostream> #include<string> #include<vector> using namespace std; int main() { string cin >> s; vector<char> v; int n = s.size(); for (int i = 0;i < n;i++) { if (s[i] == '0')v.push_back('0'); else if (s[i] == '1')v.push_back('1'); else v.pop_back(); } int m = v.size(); for (int i = 0;i < m;i++)cout << v[i]; }
a.cc: In function 'int main()': a.cc:8:13: error: expected initializer before '>>' token 8 | cin >> s; | ^~ a.cc:10:17: error: 's' was not declared in this scope 10 | int n = s.size(); | ^
s023315314
p04030
C++
#include<iostream> #include<string> #include<vector> using namespace std; int main() { string cin >> s; vector<char> v; int n = s.size(); for (int i = 0;i < n;i++) { if (s[i] == '0')v.push_back('0'); else if (s[i] == '1')v.push_back('1'); else v.pop_back(); } int m = v.size(); for (int i = 0;i < m;i++)cout << v[i]; }
a.cc: In function 'int main()': a.cc:8:13: error: expected initializer before '>>' token 8 | cin >> s; | ^~ a.cc:10:17: error: 's' was not declared in this scope 10 | int n = s.size(); | ^
s525031056
p04030
C++
#include<iostream> #include<string> #include<vector> using namespace std; int main() { string s; cin >> s; vector<char> v; int n = s.size(); for (int i = 0;i < n;i++) { if (s[i] == '0')v.push_back('0'); else if (s[i] == '1')v.push_back('1'); else v.pop_back; } int m = v.size(); for (int i = 0;i < m;i++)cout << v[i]; }
a.cc: In function 'int main()': a.cc:14:24: error: invalid use of non-static member function 'void std::vector<_Tp, _Alloc>::pop_back() [with _Tp = char; _Alloc = std::allocator<char>]' 14 | else v.pop_back; | ~~^~~~~~~~ In file included from /usr/include/c++/14/vector:66, from a.cc:3: /usr/include/c++/14/bits/stl_vector.h:1324:7: note: declared here 1324 | pop_back() _GLIBCXX_NOEXCEPT | ^~~~~~~~
s028067671
p04030
C++
#include<iostream> #include<string> #include<vector> using namespace std; int main() { string s; cin >> s; vector<char> v; int n = s.size(); for (int i = 0;i < n;i++) { if (s[i] == '0')v.push_back('0'); else if (s[i] == '1')v.push_back('1'); else v.pop_back; } int m = v.size(); for (int i = ;i < m;i++)cout << v[i]; }
a.cc: In function 'int main()': a.cc:14:24: error: invalid use of non-static member function 'void std::vector<_Tp, _Alloc>::pop_back() [with _Tp = char; _Alloc = std::allocator<char>]' 14 | else v.pop_back; | ~~^~~~~~~~ In file included from /usr/include/c++/14/vector:66, from a.cc:3: /usr/include/c++/14/bits/stl_vector.h:1324:7: note: declared here 1324 | pop_back() _GLIBCXX_NOEXCEPT | ^~~~~~~~ a.cc:17:22: error: expected primary-expression before ';' token 17 | for (int i = ;i < m;i++)cout << v[i]; | ^
s942480232
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string s; cin >> s; string ans = ""; for(char c : s){ if(c == '1' || c == '0'){ ans += c; }else{ if(s.size()) ans = ans.substr(ans.size() - 1); } } cout << ans < <endl; return 0; }
a.cc: In function 'int main()': a.cc:15:17: error: expected primary-expression before '<' token 15 | cout << ans < <endl; | ^
s006300525
p04030
C++
a#include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using vs = vector<string>; using msi = map<string, int>; using mii = map<int, int>; using psi = pair<string, int>; using pii = pair<int, int>; using vlai = valarray<int>; #define rep(i,n) for(int i=0;i<n;i++) #define range(i,s,n) for(int i=s;i<n;i++) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fs first #define sc second #define pb push_back #define eb emplace_back #define mp make_pair #define INF 1E9 #define EPS 1E-9 #define MOD (1E9+7) #define PI 3.1415926535897932384 std::ostream &operator<<(std::ostream &out, const vector<int> &tgt) { string s; for (int i = 0; i<tgt.size(); i++) { s += (to_string(tgt[i]) + ((i != tgt.size() - 1) ? " " : "")); } out << s; return out; } int main() { string s,ans; cin >> s; rep(i, s.size()) { if (s[i] == 'B') { if (ans.size()) { ans.pop_back(); } } else ans.push_back(s[i]); } cout << ans << endl; }
a.cc:1:2: error: stray '#' in program 1 | a#include <bits/stdc++.h> | ^ a.cc:1:1: error: 'a' does not name a type 1 | a#include <bits/stdc++.h> | ^ a.cc:4:12: error: 'vector' does not name a type 4 | using vi = vector<int>; | ^~~~~~ a.cc:5:13: error: 'vector' does not name a type 5 | using vvi = vector<vi>; | ^~~~~~ a.cc:6:12: error: 'vector' does not name a type 6 | using vs = vector<string>; | ^~~~~~ a.cc:7:13: error: 'map' does not name a type; did you mean 'mp'? 7 | using msi = map<string, int>; | ^~~ | mp a.cc:8:13: error: 'map' does not name a type; did you mean 'mp'? 8 | using mii = map<int, int>; | ^~~ | mp a.cc:9:13: error: 'pair' does not name a type 9 | using psi = pair<string, int>; | ^~~~ a.cc:10:13: error: 'pair' does not name a type 10 | using pii = pair<int, int>; | ^~~~ a.cc:11:14: error: 'valarray' does not name a type 11 | using vlai = valarray<int>; | ^~~~~~~~ a.cc:26:6: error: 'ostream' in namespace 'std' does not name a type 26 | std::ostream &operator<<(std::ostream &out, const vector<int> &tgt) | ^~~~~~~ a.cc:1:1: note: 'std::ostream' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>' +++ |+#include <ostream> 1 | a#include <bits/stdc++.h> a.cc: In function 'int main()': a.cc:37:9: error: 'string' was not declared in this scope 37 | string s,ans; | ^~~~~~ a.cc:38:9: error: 'cin' was not declared in this scope 38 | cin >> s; | ^~~ a.cc:38:16: error: 's' was not declared in this scope; did you mean 'sc'? 38 | cin >> s; | ^ | sc a.cc:41:29: error: 'ans' was not declared in this scope 41 | if (ans.size()) { | ^~~ a.cc:45:22: error: 'ans' was not declared in this scope 45 | else ans.push_back(s[i]); | ^~~ a.cc:47:9: error: 'cout' was not declared in this scope 47 | cout << ans << endl; | ^~~~ a.cc:47:17: error: 'ans' was not declared in this scope 47 | cout << ans << endl; | ^~~ a.cc:47:24: error: 'endl' was not declared in this scope 47 | cout << ans << endl; | ^~~~
s206771885
p04030
C++
av
a.cc:1:1: error: 'av' does not name a type 1 | av | ^~
s840065599
p04030
C
#include<stdio.h> #include<string.h> int main(void){ int i,p; char sd[10] = ""; char f[20] = ""; char e[20]; scanf("%s",sd); p = strlen(sd); for (i = 0;i < p; i++) { if (sd[i] == '0') { strcat_s(f, "0"); } if (sd[i] == '1') { strcat_s(f, "1"); } if (sd[i] == '2') { strncpy_s(e, f, (int)(strlen(f) - 1)); strcpy_s(f, e); } } printf("%s\n", f); return 0; }
main.c: In function 'main': main.c:12:25: error: implicit declaration of function 'strcat_s'; did you mean 'strcat'? [-Wimplicit-function-declaration] 12 | strcat_s(f, "0"); | ^~~~~~~~ | strcat main.c:18:21: error: implicit declaration of function 'strncpy_s'; did you mean 'strncpy'? [-Wimplicit-function-declaration] 18 | strncpy_s(e, f, (int)(strlen(f) - 1)); | ^~~~~~~~~ | strncpy main.c:19:25: error: implicit declaration of function 'strcpy_s'; did you mean 'strcpy'? [-Wimplicit-function-declaration] 19 | strcpy_s(f, e); | ^~~~~~~~ | strcpy
s723544904
p04030
C++
#define _CRT_SECURE_NO_WARNINGS #include<stdio.h> int main(void) { int i; char S[11]; scanf("%s",S); for (i = 0; S[i] != '\0'; i++) { if (S[i] == 'B') { printf("\b"); if (S[i + 1] == '\0') printf(" "); continue; } printf("%c",S[i]); } return 0;
a.cc: In function 'int main()': a.cc:26:18: error: expected '}' at end of input 26 | return 0; | ^ a.cc:5:1: note: to match this '{' 5 | { | ^
s993587481
p04030
C++
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0;i<int(n);++i) #define all(a) a.begin(),a.end() int main(void){ string s; cin>>s; reverse(all(s)); int n = s.size(); int del = 0; rep(i,n){ if(s[i]=='B'){ del++; }else if(del>0){ s[i] = 'B'; de--; } } reverse(all(s)); rep(i,n){ if(s[i]!='B')cout<<s[i]; } cout<<endl; return 0; }
a.cc: In function 'int main()': a.cc:17:13: error: 'de' was not declared in this scope; did you mean 'del'? 17 | de--; | ^~ | del
s226483190
p04030
C++
#include<stdio.h> #include <string.h> int main(){ char input[10], output[10]; scanf("%s", input); int index = 0; for(int i = 0; i <= strlen(input); i++){ if(strcmp(input[i], "0") == 0){ output[index] = "0"; }else if(strcmp(input[i], "1") == 0){ output[index] = "1"; }else if(strcmp(input[i], "B") == 0){ if(index > 0){ index--; output[index] = NULL; } } index++; } printf("%s", output); return 0; }
a.cc: In function 'int main()': a.cc:12:22: error: invalid conversion from 'char' to 'const char*' [-fpermissive] 12 | if(strcmp(input[i], "0") == 0){ | ~~~~~~~^ | | | char In file included from a.cc:2: /usr/include/string.h:156:32: note: initializing argument 1 of 'int strcmp(const char*, const char*)' 156 | extern int strcmp (const char *__s1, const char *__s2) | ~~~~~~~~~~~~^~~~ a.cc:13:23: error: invalid conversion from 'const char*' to 'char' [-fpermissive] 13 | output[index] = "0"; | ^~~ | | | const char* a.cc:14:28: error: invalid conversion from 'char' to 'const char*' [-fpermissive] 14 | }else if(strcmp(input[i], "1") == 0){ | ~~~~~~~^ | | | char /usr/include/string.h:156:32: note: initializing argument 1 of 'int strcmp(const char*, const char*)' 156 | extern int strcmp (const char *__s1, const char *__s2) | ~~~~~~~~~~~~^~~~ a.cc:15:23: error: invalid conversion from 'const char*' to 'char' [-fpermissive] 15 | output[index] = "1"; | ^~~ | | | const char* a.cc:16:28: error: invalid conversion from 'char' to 'const char*' [-fpermissive] 16 | }else if(strcmp(input[i], "B") == 0){ | ~~~~~~~^ | | | char /usr/include/string.h:156:32: note: initializing argument 1 of 'int strcmp(const char*, const char*)' 156 | extern int strcmp (const char *__s1, const char *__s2) | ~~~~~~~~~~~~^~~~ a.cc:19:25: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 19 | output[index] = NULL; | ^~~~
s408701921
p04030
C++
#include<stdio.h> #include <string.h> int main(){ char input[10], output[10]; scanf("%s", input); int index = 0; for(int i = 0; i <= strlen(input); i++){ if(input[i] == "0"){ output[index] = "0"; }else if(input[i] == "1"){ output[index] = "0"; }else if(input[i] == "B"){ if(index > 0){ index--; output[index] = NULL; } } index++; } printf("%s", output); return 0; }
a.cc: In function 'int main()': a.cc:12:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 12 | if(input[i] == "0"){ | ~~~~~~~~~^~~~~~ a.cc:13:23: error: invalid conversion from 'const char*' to 'char' [-fpermissive] 13 | output[index] = "0"; | ^~~ | | | const char* a.cc:14:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 14 | }else if(input[i] == "1"){ | ~~~~~~~~~^~~~~~ a.cc:15:23: error: invalid conversion from 'const char*' to 'char' [-fpermissive] 15 | output[index] = "0"; | ^~~ | | | const char* a.cc:16:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 16 | }else if(input[i] == "B"){ | ~~~~~~~~~^~~~~~ a.cc:19:25: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 19 | output[index] = NULL; | ^~~~
s434910780
p04030
C++
#include<bits/stdc++.h> using namespace std; char a[1005]; char b[1005]; int p; int main(){ gets(a); for(int i=0;i<strlen(a);i++){ if(a[i]=='B'){ if(p>=1) p--; } else b[++p]=a[i]; } for(int i=1;i<=p;i++) cout<<b[i]; cout<<endl; return 0; }
a.cc: In function 'int main()': a.cc:7:9: error: 'gets' was not declared in this scope; did you mean 'getw'? 7 | gets(a); | ^~~~ | getw
s000448256
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string s=""; string ans=""; cin>>s; for(int i=0;i<10;i++){ char temp=s[i]; if(temp=='0')ans.push_back('0'); if(temp=='1')ans.push_back('1'); if(temp=='B'&&!ans.empty())ans.pop_back(); if(temp=='')break; } cout<<ans<<endl; }
a.cc:13:14: error: empty character constant 13 | if(temp=='')break; | ^~
s292607445
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string s=""; string ans=""; cin>>s; for(int i=0;i<10;i++){ char temp=s[i]; if(temp=='0')ans.push_back('0'); if(temp=='1')ans.push_back('1'); if(temp=='B'&&!ans.empty())ans.pop_back(); if(temp==null)break; } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:13:14: error: 'null' was not declared in this scope 13 | if(temp==null)break; | ^~~~
s502464194
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string s=""; string ans=""; cin>>s; for(int i=0;i<10;i++){ if(s[i]=="0")ans.push_back('0'); if(s[i]=="1")ans.push_back('1'); if(s[i]=="B"&&!ans.empty())ans.pop_back(); if(s[i]==null)break; } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:9:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 9 | if(s[i]=="0")ans.push_back('0'); a.cc:10:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 10 | if(s[i]=="1")ans.push_back('1'); a.cc:11:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 11 | if(s[i]=="B"&&!ans.empty())ans.pop_back(); a.cc:12:14: error: 'null' was not declared in this scope 12 | if(s[i]==null)break; | ^~~~
s163215743
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string s=""; string ans=""; cin>>s; for(int i=0;i<10;i++){ if(s[i]=="0")ans.append("0"); if(s[i]=="1")ans.append("1"); if(s[i]=="B"&&!ans.empty())ans.pop_back(); if(s[i]==eof)break; } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:9:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 9 | if(s[i]=="0")ans.append("0"); a.cc:10:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 10 | if(s[i]=="1")ans.append("1"); a.cc:11:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 11 | if(s[i]=="B"&&!ans.empty())ans.pop_back(); a.cc:12:14: error: 'eof' was not declared in this scope; did you mean 'feof'? 12 | if(s[i]==eof)break; | ^~~ | feof
s532314402
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string s=""; string ans=""; cin>>s; for(int i=0;i<10;i++){ if(s[i]=='0')ans.append('0'); if(s[i]=='1')ans.append('1'); if(s[i]=='B'&&!ans.empty())ans.pop_back(); if(s[i]==eof)break; } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:9:28: error: no matching function for call to 'std::__cxx11::basic_string<char>::append(char)' 9 | if(s[i]=='0')ans.append('0'); | ~~~~~~~~~~^~~~~ In file included 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/bits/basic_string.h:1480:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' (near match) 1480 | append(const _CharT* __s) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1480:7: note: conversion of argument 1 would be ill-formed: a.cc:9:29: error: invalid conversion from 'char' to 'const char*' [-fpermissive] 9 | if(s[i]=='0')ans.append('0'); | ^~~ | | | char /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(_InputIterator, _InputIterator) [with <template-parameter-2-2> = _InputIterator; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1529 | append(_InputIterator __first, _InputIterator __last) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1541:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1541 | append(const _Tp& __svt) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1541:9: note: template argument deduction/substitution failed: In file included from /usr/include/c++/14/bits/move.h:37, from /usr/include/c++/14/bits/exception_ptr.h:41, from /usr/include/c++/14/exception:166, from /usr/include/c++/14/ios:41: /usr/include/c++/14/type_traits: In substitution of 'template<bool _Cond, class _Tp> using std::enable_if_t = typename std::enable_if::type [with bool _Cond = false; _Tp = std::__cxx11::basic_string<char>&]': /usr/include/c++/14/bits/basic_string.h:149:8: required by substitution of 'template<class _CharT, class _Traits, class _Alloc> template<class _Tp, class _Res> using std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv = std::enable_if_t<((bool)std::__and_<std::is_convertible<const _Tp&, std::basic_string_view<_CharT, _Traits> >, std::__not_<std::is_convertible<const _Tp*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>*> >, std::__not_<std::is_convertible<const _Tp&, const _CharT*> > >::value), _Res> [with _Tp = char; _Res = std::__cxx11::basic_string<char>&; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 149 | using _If_sv = enable_if_t< | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1541:9: required by substitution of 'template<class _Tp> std::__cxx11::basic_string<char>::_If_sv<_Tp, std::__cxx11::basic_string<char>&> std::__cxx11::basic_string<char>::append(const _Tp&) [with _Tp = char]' 1541 | append(const _Tp& __svt) | ^~~~~~ a.cc:9:28: required from here 9 | if(s[i]=='0')ans.append('0'); | ~~~~~~~~~~^~~~~ /usr/include/c++/14/type_traits:2711:11: error: no type named 'type' in 'struct std::enable_if<false, std::__cxx11::basic_string<char>&>' 2711 | using enable_if_t = typename enable_if<_Cond, _Tp>::type; | ^~~~~~~~~~~ /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&, size_type, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1557 | append(const _Tp& __svt, size_type __pos, size_type __n = npos) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1435:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1435 | append(const basic_string& __str) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1435:34: note: no known conversion for argument 1 from 'char' to 'const std::__cxx11::basic_string<char>&' 1435 | append(const basic_string& __str) | ~~~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/14/bits/basic_string.h:1453:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, size_type, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1453 | append(const basic_string& __str, size_type __pos, size_type __n = npos) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1453:7: note: candidate expects 3 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1466:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1466 | append(const _CharT* __s, size_type __n) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1466:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1498:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(size_type, _CharT) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1498 | append(size_type __n, _CharT __c) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1498:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1509:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(std::initializer_list<_Tp>) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1509 | append(initializer_list<_CharT> __l) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1509:39: note: no known conversion for argument 1 from 'char' to 'std::initializer_list<char>' 1509 | append(initializer_list<_CharT> __l) | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~ a.cc:10:28: error: no matching function for call to 'std::__cxx11::basic_string<char>::append(char)' 10 | if(s[i]=='1')ans.append('1'); | ~~~~~~~~~~^~~~~ /usr/include/c++/14/bits/basic_string.h:1480:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' (near match) 1480 | append(const _CharT* __s) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1480:7: note: conversion of argument 1 would be ill-formed: a.cc:10:29: error: invalid conversion from 'char' to 'const char*' [-fpermissive] 10 | if(s[i]=='1')ans.append('1'); | ^~~ | | | char /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(_InputIterator, _InputIterator) [with <template-parameter-2-2> = _InputIterator; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1529 | append(_InputIterator __first, _InputIterator __last) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1541:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1541 | append(const _Tp& __svt) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1541:9: note: template argument deduction/substitution failed: /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&, size_type, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1557 | append(const _Tp& __svt, size_type __pos, size_type __n = npos) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_st
s055736257
p04030
C++
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <functional> #include <queue> #include <set> #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) using namespace std; typedef long long int lli; int main(){ string s; cin>>s; int l=(int)S.length(); string T; rep(i,l){ int pat==(int)T.length(); if(S[i]=='0')T.push_back('0'); if(S[i]=='1')T.push_back('1'); if(S[i]=='B'&&pat!=0)T.pop_back(); } int k=(int)T.length(); rep(i,k)cout<<T[i]; }
a.cc: In function 'int main()': a.cc:17:20: error: 'S' was not declared in this scope 17 | int l=(int)S.length(); | ^ a.cc:20:24: error: expected initializer before '==' token 20 | int pat==(int)T.length(); | ^~ a.cc:23:31: error: 'pat' was not declared in this scope 23 | if(S[i]=='B'&&pat!=0)T.pop_back(); | ^~~
s912612615
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string command=""; string ans=""; cin>>command; for(int i=0;i<command.size();i++){ if(command.substr(i,1)=="0")ans.append('0'); if(command.substr(i,1)=="1")ans.append('1'); if(command.substr(i,1)=="B" && !ans.empty())ans.pop_back(); } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:9:43: error: no matching function for call to 'std::__cxx11::basic_string<char>::append(char)' 9 | if(command.substr(i,1)=="0")ans.append('0'); | ~~~~~~~~~~^~~~~ In file included 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/bits/basic_string.h:1480:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' (near match) 1480 | append(const _CharT* __s) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1480:7: note: conversion of argument 1 would be ill-formed: a.cc:9:44: error: invalid conversion from 'char' to 'const char*' [-fpermissive] 9 | if(command.substr(i,1)=="0")ans.append('0'); | ^~~ | | | char /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(_InputIterator, _InputIterator) [with <template-parameter-2-2> = _InputIterator; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1529 | append(_InputIterator __first, _InputIterator __last) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1541:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1541 | append(const _Tp& __svt) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1541:9: note: template argument deduction/substitution failed: In file included from /usr/include/c++/14/bits/move.h:37, from /usr/include/c++/14/bits/exception_ptr.h:41, from /usr/include/c++/14/exception:166, from /usr/include/c++/14/ios:41: /usr/include/c++/14/type_traits: In substitution of 'template<bool _Cond, class _Tp> using std::enable_if_t = typename std::enable_if::type [with bool _Cond = false; _Tp = std::__cxx11::basic_string<char>&]': /usr/include/c++/14/bits/basic_string.h:149:8: required by substitution of 'template<class _CharT, class _Traits, class _Alloc> template<class _Tp, class _Res> using std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv = std::enable_if_t<((bool)std::__and_<std::is_convertible<const _Tp&, std::basic_string_view<_CharT, _Traits> >, std::__not_<std::is_convertible<const _Tp*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>*> >, std::__not_<std::is_convertible<const _Tp&, const _CharT*> > >::value), _Res> [with _Tp = char; _Res = std::__cxx11::basic_string<char>&; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 149 | using _If_sv = enable_if_t< | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1541:9: required by substitution of 'template<class _Tp> std::__cxx11::basic_string<char>::_If_sv<_Tp, std::__cxx11::basic_string<char>&> std::__cxx11::basic_string<char>::append(const _Tp&) [with _Tp = char]' 1541 | append(const _Tp& __svt) | ^~~~~~ a.cc:9:43: required from here 9 | if(command.substr(i,1)=="0")ans.append('0'); | ~~~~~~~~~~^~~~~ /usr/include/c++/14/type_traits:2711:11: error: no type named 'type' in 'struct std::enable_if<false, std::__cxx11::basic_string<char>&>' 2711 | using enable_if_t = typename enable_if<_Cond, _Tp>::type; | ^~~~~~~~~~~ /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&, size_type, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1557 | append(const _Tp& __svt, size_type __pos, size_type __n = npos) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1435:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1435 | append(const basic_string& __str) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1435:34: note: no known conversion for argument 1 from 'char' to 'const std::__cxx11::basic_string<char>&' 1435 | append(const basic_string& __str) | ~~~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/14/bits/basic_string.h:1453:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, size_type, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1453 | append(const basic_string& __str, size_type __pos, size_type __n = npos) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1453:7: note: candidate expects 3 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1466:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1466 | append(const _CharT* __s, size_type __n) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1466:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1498:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(size_type, _CharT) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1498 | append(size_type __n, _CharT __c) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1498:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1509:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(std::initializer_list<_Tp>) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1509 | append(initializer_list<_CharT> __l) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1509:39: note: no known conversion for argument 1 from 'char' to 'std::initializer_list<char>' 1509 | append(initializer_list<_CharT> __l) | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~ a.cc:10:43: error: no matching function for call to 'std::__cxx11::basic_string<char>::append(char)' 10 | if(command.substr(i,1)=="1")ans.append('1'); | ~~~~~~~~~~^~~~~ /usr/include/c++/14/bits/basic_string.h:1480:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' (near match) 1480 | append(const _CharT* __s) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1480:7: note: conversion of argument 1 would be ill-formed: a.cc:10:44: error: invalid conversion from 'char' to 'const char*' [-fpermissive] 10 | if(command.substr(i,1)=="1")ans.append('1'); | ^~~ | | | char /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(_InputIterator, _InputIterator) [with <template-parameter-2-2> = _InputIterator; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1529 | append(_InputIterator __first, _InputIterator __last) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1541:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1541 | append(const _Tp& __svt) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1541:9: note: template argument deduction/substitution failed: /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&, size_type, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1557 | append(c
s211924024
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string command=""; string ans=""; cin>>command; for(int i=0;i<command.size();i++){ if(command.substr(i,1)=='0')ans.append('0'); if(command.substr(i,1)=='1')ans.append('0'); if(command.substr(i,1)=='B'&&!ans.empty())ans.pop_back(); } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:9:27: error: no match for 'operator==' (operand types are 'std::__cxx11::basic_string<char>' and 'char') 9 | if(command.substr(i,1)=='0')ans.append('0'); | ~~~~~~~~~~~~~~~~~~~^~~~~ | | | | | char | std::__cxx11::basic_string<char> In file included from /usr/include/c++/14/iosfwd:42, from /usr/include/c++/14/ios:40, from /usr/include/c++/14/ostream:40, from /usr/include/c++/14/iostream:41, from a.cc:1: /usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)' 192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::fpos<_StateT>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/string:43, from /usr/include/c++/14/bits/locale_classes.h:40, from /usr/include/c++/14/bits/ios_base.h:41, from /usr/include/c++/14/ios:44: /usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)' 235 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::allocator<_CharT>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/string:48: /usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)' 441 | operator==(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)' 486 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)' 1667 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)' 1737 | operator==(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/bits/stl_algobase.h:64, from /usr/include/c++/14/string:51: /usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)' 1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::pair<_T1, _T2>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/bits/basic_string.h:47, from /usr/include/c++/14/string:54: /usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)' 629 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)' 637 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:637:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/string_view:644:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)' 644 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:644:5: note: template argument deduction/substitution failed: a.cc:9:29: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/basic_string.h:3755:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3755 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3755:5: note: template argument deduction/substitution failed: a.cc:9:29: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'char' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/basic_string.h:3772:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' 3772 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3772:5: note: template argument deduction/substitution failed: a.cc:9:29: note: mismatched types 'const _CharT*' and 'char' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/basic_string.h:3819:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3819 | operator==(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3819:5: note: template argument deduction/substitution failed: a.cc:9:29: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/bits/memory_resource.h:47, from /usr/include/c++/14/string:68: /usr/include/c++/14/tuple:2558:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator==(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)' 2558 | operator==(const tuple<_TElements...>& __t, | ^~~~~~~~ /usr/include/c++/14/tuple:2558:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::tuple<_UTypes ...>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/bits/locale_facets.h:48, from /usr/include/c++/14/bits/basic_ios.h:37, from /usr/include/c++/14/ios:46: /usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator==(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)' 234 | operator==(const istreambuf_iterator<_CharT, _Traits>& __a, | ^~~~~~~~ /usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::istreambuf_iter
s513005450
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string command=""; string ans=""; cin>>command; for(int i=0;i<command.size();i++){ if(command.substr(i,1)=='0')ans.append('0'); if(command.substr(i,1)=='1')ans.append('0'); if(command.substr(i,1)=='B')ans.pop_back(); } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:9:27: error: no match for 'operator==' (operand types are 'std::__cxx11::basic_string<char>' and 'char') 9 | if(command.substr(i,1)=='0')ans.append('0'); | ~~~~~~~~~~~~~~~~~~~^~~~~ | | | | | char | std::__cxx11::basic_string<char> In file included from /usr/include/c++/14/iosfwd:42, from /usr/include/c++/14/ios:40, from /usr/include/c++/14/ostream:40, from /usr/include/c++/14/iostream:41, from a.cc:1: /usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)' 192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/14/bits/postypes.h:192:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::fpos<_StateT>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/string:43, from /usr/include/c++/14/bits/locale_classes.h:40, from /usr/include/c++/14/bits/ios_base.h:41, from /usr/include/c++/14/ios:44: /usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)' 235 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/14/bits/allocator.h:235:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::allocator<_CharT>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/string:48: /usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)' 441 | operator==(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:441:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)' 486 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:486:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)' 1667 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1667:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)' 1737 | operator==(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1737:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/bits/stl_algobase.h:64, from /usr/include/c++/14/string:51: /usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)' 1033 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/14/bits/stl_pair.h:1033:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::pair<_T1, _T2>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/bits/basic_string.h:47, from /usr/include/c++/14/string:54: /usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)' 629 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:629:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)' 637 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:637:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/string_view:644:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)' 644 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:644:5: note: template argument deduction/substitution failed: a.cc:9:29: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/basic_string.h:3755:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3755 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3755:5: note: template argument deduction/substitution failed: a.cc:9:29: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'char' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/basic_string.h:3772:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' 3772 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3772:5: note: template argument deduction/substitution failed: a.cc:9:29: note: mismatched types 'const _CharT*' and 'char' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ /usr/include/c++/14/bits/basic_string.h:3819:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3819 | operator==(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3819:5: note: template argument deduction/substitution failed: a.cc:9:29: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/bits/memory_resource.h:47, from /usr/include/c++/14/string:68: /usr/include/c++/14/tuple:2558:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator==(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)' 2558 | operator==(const tuple<_TElements...>& __t, | ^~~~~~~~ /usr/include/c++/14/tuple:2558:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::tuple<_UTypes ...>' 9 | if(command.substr(i,1)=='0')ans.append('0'); | ^~~ In file included from /usr/include/c++/14/bits/locale_facets.h:48, from /usr/include/c++/14/bits/basic_ios.h:37, from /usr/include/c++/14/ios:46: /usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator==(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)' 234 | operator==(const istreambuf_iterator<_CharT, _Traits>& __a, | ^~~~~~~~ /usr/include/c++/14/bits/streambuf_iterator.h:234:5: note: template argument deduction/substitution failed: a.cc:9:29: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::istreambuf_iter
s352942037
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string command=""; string ans=""; int number=0; cin>>command; for(int i=0;i<command.size();i++){ if(command[i]=="0")ans.append("0"); if(command[i]=="1")ans.append("1"); if(command[i]=="B")ans.pop_back(); } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:10:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 10 | if(command[i]=="0")ans.append("0"); a.cc:11:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 11 | if(command[i]=="1")ans.append("1"); a.cc:12:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 12 | if(command[i]=="B")ans.pop_back();
s098346170
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string command=""; string ans=""; int number=0; cin>>command; for(int i=0;i<command.size();i++){ if(command[i].strcomp("0"))ans.append("0"); if(command[i].strcomp("1"))ans.append("1"); if(command[i].strcomp("B"))ans.pop_back(); } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:10:19: error: request for member 'strcomp' in 'command.std::__cxx11::basic_string<char>::operator[](((std::__cxx11::basic_string<char>::size_type)i))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} 10 | if(command[i].strcomp("0"))ans.append("0"); | ^~~~~~~ a.cc:11:19: error: request for member 'strcomp' in 'command.std::__cxx11::basic_string<char>::operator[](((std::__cxx11::basic_string<char>::size_type)i))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} 11 | if(command[i].strcomp("1"))ans.append("1"); | ^~~~~~~ a.cc:12:19: error: request for member 'strcomp' in 'command.std::__cxx11::basic_string<char>::operator[](((std::__cxx11::basic_string<char>::size_type)i))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} 12 | if(command[i].strcomp("B"))ans.pop_back(); | ^~~~~~~
s799466065
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string command=""; string ans=""; int number=0; cin>>command; for(int i=0;i<command.size();i++) switch(command[i]){ case("0"):ans.append("0");break; case("1"):ans.append("1");break; case("B"):ans.pop_back(); } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:11:14: error: conversion from 'const char*' to 'int' in a converted constant expression 11 | case("0"):ans.append("0");break; | ~^~~~ a.cc:11:14: error: could not convert '("0")' from 'const char [2]' to 'int' 11 | case("0"):ans.append("0");break; | ~^~~~ | | | const char [2] a.cc:12:14: error: conversion from 'const char*' to 'int' in a converted constant expression 12 | case("1"):ans.append("1");break; | ~^~~~ a.cc:12:14: error: could not convert '("1")' from 'const char [2]' to 'int' 12 | case("1"):ans.append("1");break; | ~^~~~ | | | const char [2] a.cc:13:14: error: conversion from 'const char*' to 'int' in a converted constant expression 13 | case("B"):ans.pop_back(); | ~^~~~ a.cc:13:14: error: could not convert '("B")' from 'const char [2]' to 'int' 13 | case("B"):ans.pop_back(); | ~^~~~ | | | const char [2]
s702069917
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string command=""; string ans=""; int number=0; cin>>command; for(int i=0;i<command.size();i++) switch(s[i]){ case("0"):ans.append("0"); case("1"):ans.append("1"); case("B"):ans.pop_back(); } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:10:12: error: 's' was not declared in this scope 10 | switch(s[i]){ | ^
s631896185
p04030
Java
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String s = sc.next(); while(str.contains("B")){ int idx = str.indexOf("B"); s = (idx > 0 ? s.substring(0,idx-1) : "") + s.substring(idx+1); } System.out.println(s); }}
Main.java:6: error: cannot find symbol while(str.contains("B")){ ^ symbol: variable str location: class Main Main.java:7: error: cannot find symbol int idx = str.indexOf("B"); ^ symbol: variable str location: class Main 2 errors
s440913177
p04030
C++
#include <string> #include<iostream> #include <algorithm> #include<sstream> #include<list> #include <cstdio> //#include <stdio.h> using namespace std; int main () { string S; cin>>S; list<char> ans; for(int i =0;i<S.size();i++ ){ if(S[i]=='1' or S[i]=='0' ){ ans.push_back(S[i]); } else if(S[i]=='B'){ ans.pop_back(); } } for(char itr = ans.begin(); itr != ans.end(); ++itr) { std::cout << *itr; } return 0; }
a.cc: In function 'int main()': a.cc:33:25: error: cannot convert 'std::__cxx11::list<char>::iterator' to 'char' in initialization 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ~~~~~~~~~^~ | | | std::__cxx11::list<char>::iterator a.cc:33:33: error: no match for 'operator!=' (operand types are 'char' and 'std::__cxx11::list<char>::iterator') 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ~~~ ^~ ~~~~~~~~~ | | | | char std::__cxx11::list<char>::iterator In file included from /usr/include/c++/14/bits/char_traits.h:42, from /usr/include/c++/14/string:42, from a.cc:2: /usr/include/c++/14/bits/postypes.h:197:5: note: candidate: 'template<class _StateT> bool std::operator!=(const fpos<_StateT>&, const fpos<_StateT>&)' 197 | operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/14/bits/postypes.h:197:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::fpos<_StateT>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ In file included from /usr/include/c++/14/string:43: /usr/include/c++/14/bits/allocator.h:243:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const allocator<_CharT>&, const allocator<_T2>&)' 243 | operator!=(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/14/bits/allocator.h:243:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::allocator<_CharT>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ In file included from /usr/include/c++/14/string:48: /usr/include/c++/14/bits/stl_iterator.h:455:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)' 455 | operator!=(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:455:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ /usr/include/c++/14/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)' 500 | operator!=(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:500:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ /usr/include/c++/14/bits/stl_iterator.h:1686:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)' 1686 | operator!=(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1686:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ /usr/include/c++/14/bits/stl_iterator.h:1753:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)' 1753 | operator!=(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1753:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ In file included from /usr/include/c++/14/bits/stl_algobase.h:64, from /usr/include/c++/14/string:51: /usr/include/c++/14/bits/stl_pair.h:1052:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const pair<_T1, _T2>&, const pair<_T1, _T2>&)' 1052 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/14/bits/stl_pair.h:1052:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::pair<_T1, _T2>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ In file included from /usr/include/c++/14/bits/basic_string.h:47, from /usr/include/c++/14/string:54: /usr/include/c++/14/string_view:651:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)' 651 | operator!=(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:651:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ /usr/include/c++/14/string_view:658:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)' 658 | operator!=(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:658:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ /usr/include/c++/14/string_view:666:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)' 666 | operator!=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/14/string_view:666:5: note: template argument deduction/substitution failed: a.cc:33:44: note: 'std::_List_iterator<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ /usr/include/c++/14/bits/basic_string.h:3833:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3833 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3833:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ /usr/include/c++/14/bits/basic_string.h:3847:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3847 | operator!=(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3847:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const _CharT*' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ /usr/include/c++/14/bits/basic_string.h:3860:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' 3860 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3860:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ In file included from /usr/include/c++/14/bits/memory_resource.h:47, from /usr/include/c++/14/string:68: /usr/include/c++/14/tuple:2613:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator!=(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)' 2613 | operator!=(const tuple<_TElements...>& __t, | ^~~~~~~~ /usr/include/c++/14/tuple:2613:5: note: template argument deduction/substitution failed: a.cc:33:44: note: mismatched types 'const std::tuple<_UTypes ...>' and 'char' 33 | for(char itr = ans.begin(); itr != ans.end(); ++itr) { | ^ In file included from /usr/include/c++/14/bits/locale_facets.h:48, from /usr/include/c++/14/bits/basic_ios.h:37, from /usr/include/c++/14/ios:46, from /usr/include/c++/14/ostream:40, from /usr/include/c++/14/iostream:41, from a.cc:3: /usr/include/c++/14/bits/streambuf_iterator.h:242:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator!=(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)' 242 | operator!=(const istreambuf_iterator<_CharT, _Traits>& __a,
s594566265
p04030
C++
#include <iostream> using namespace std; int main(){ string S, A; for(int i=0; i<10; i++){ char x; cin >> x; if(x=='0'){ A += "0"; } else if(x=='1'){ A += "1"; } else if(x=='B'){ if(A.size()>0){ A.size()--; } } } cout << A << endl; }
a.cc: In function 'int main()': a.cc:15:39: error: lvalue required as decrement operand 15 | A.size()--; | ~~~~~~^~
s441781090
p04030
C++
#include <iostream> using namespace std; int main(){ string S, A; for(int i=0; i<10; i++){ char x; cin >> x; if(x=='0'){ A += "0"; } else if(x=='1'){ A += "1"; } else if(x=='B'){ A -= "" } } cout << A << endl; }
a.cc: In function 'int main()': a.cc:14:27: error: no match for 'operator-=' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'const char [1]') 14 | A -= "" | ~~^~~~~
s361282681
p04030
C++
#include <iostream> using namespace std; int main(){ string S, A; for(int i=0; i<10; i++){ char x; cin >> x; if(x=='0'){ A += "0"; } else if(x=='1'){ A += "1"; } else if(x=='B'){ *(A.end()-1) = ''; } } cout << A << endl; }
a.cc:14:40: error: empty character constant 14 | *(A.end()-1) = ''; | ^~
s156267098
p04030
C++
#include <iostream> using namespace std; int main(){ string S, A; for(int i=0; i<10; i++){ char x; cin >> x; if(x=='0'){ A += "0"; } else if(x=='1'){ A += "1"; } else if(x=='B'){ *A.end() = ''; } } cout << A << endl; }
a.cc:14:36: error: empty character constant 14 | *A.end() = ''; | ^~
s049113808
p04030
C++
#include <iostream> using namespace std; int main(){ string S, A; for(int i=0; i<10; i++){ char x; cin >> x; if(x=='0'){ A += "0"; } else if(x=='1'){ A += "1"; } else if(x=='B'){ *A.end() = ""; } } cout << A << endl; }
a.cc: In function 'int main()': a.cc:14:36: error: invalid conversion from 'const char*' to 'char' [-fpermissive] 14 | *A.end() = ""; | ^~ | | | const char*
s651252911
p04030
C++
#include <iostream> using namespace std; int main(){ string S, A; for(int i=0; i<10; i++){ char x; cin >> x; if(x=='0'){ A += "0"; } else if(x=='1'){ a += "1"; } else if(x=='B'){ if(A.size()!=0){ A -= *A.end(); } } } cout << A << endl; }
a.cc: In function 'int main()': a.cc:12:25: error: 'a' was not declared in this scope 12 | a += "1"; | ^ a.cc:15:35: error: no match for 'operator-=' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char') 15 | A -= *A.end(); | ~~^~~~~~~~~~~
s510082601
p04030
C++
#include<iostream> #include<cstdio> #include<cstdlib> #include<algorithm> #include<vector> #include<string> #include<sstream> #include<iomanip> #include<utility> #include<cmath> #include<set> #include<list> #include<string> #include<queue> #include<stack> #include<deque> #include<map> #include<set> #include<cstring> #include<iterator> #include<bitset> #include<assert.h> //#include<chrono> //#include<time.h> //#include<windows.h> using namespace std; //#define int ll typedef long long ll; typedef pair<int,int> P; typedef pair<int,pair<int,int> > PP; typedef vector<int> VI; typedef vector<long long int> VL; //static const int MOD = 1000000007; //static const int INF = 2147483647; //static const long long INF = 9223372000000000000; //static const long long INF = 9223372000000000000/2; //static const int INF = 1000010000; //int dx4[4] = {0,1,0,-1}, dy4[4] = {-1,0,1,0}; //int dx5[5] = {-1,0,0,0,1}, dy5[5] = {0,-1,0,1,0}; //int dx8[8] = {-1,0,1,1,1,0,-1,-1}, dy8[8] = {1,1,1,0,-1,-1,-1,0}; //int dx9[9] = {-1,0,1,1,1,0,-1,-1,0}, dy9[9] = {1,1,1,0,-1,-1,-1,0,0}; #define PB push_back #define MP make_pair #define MT make_tuple #define FI first #define SE second #define NP next_permutation #define PQ priority_queue #define UB upper_bound #define LB lower_bound #define SZ(a) int((a).size()) #define LEN(a) int((a).length()) #define SORT(c) sort((c).begin(),(c).end()) #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define REP(i,x) for(int i=0;i<(int)(x);i++) #define REP1(i,x) for(int i=1;i<=(int)(x);i++) #define RREP(i,x) for(int i=((int)(x)-1);i>=0;i--) #define RREP1(i,x) for(int i=((int)(x));i>0;i--) #define ALL(x) (x).begin(),(x).end() struct edge {int /*from,*/to,cost;}; main(){ string s; cin >> s; string ans; REP(i,LEN(s)){ if(!isdigit(s[i])) ans.erase(LEN(ans)-1,1); else ans += s[i]; } cin >> ans << endl; return 0; }
a.cc:63:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 63 | main(){ | ^~~~ a.cc: In function 'int main()': a.cc:72:16: error: no match for 'operator<<' (operand types are 'std::basic_istream<char>' and '<unresolved overloaded function type>') 72 | cin >> ans << endl; | ~~~~~~~~~~~^~~~~~~ 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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ In file included from /usr/include/c++/14/bits/memory_resource.h:38, from /usr/include/c++/14/string:68: /usr/include/c++/14/cstddef: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:72:19: note: couldn't deduce template parameter '_IntegerType' 72 | cin >> ans << endl; | ^~~~ 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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<char, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<char, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<char, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ 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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<char, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<char, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<char, _Traits>' 72 | cin >> ans << endl; | ^~~~ /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: a.cc:72:19: note: couldn't deduce template parameter '_Tp' 72 | cin >> ans << endl; | ^~~~ In file included from a.cc:8: /usr/include/c++/14/iomanip:84:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _Resetiosflags)' 84 | operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f) | ^~~~~~~~ /usr/include/c++/14/iomanip:84:5: note: template argument deduction/substitution failed: a.cc:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ /usr/include/c++/14/iomanip:114:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _Setiosflags)' 114 | operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f) | ^~~~~~~~ /usr/include/c++/14/iomanip:114:5: note: template argument deduction/substitution failed: a.cc:72:19: note: 'std::basic_istream<char>' is not derived from 'std::basic_ostream<_CharT, _Traits>' 72 | cin >> ans << endl; | ^~~~ /usr/include/c++/14/iom
s917415035
p04030
C++
#include<iostream> using namespace std; int main(){ char s[] ; cin >> s ; int i = 0; char out[sizeof(s)]; int j = 0; for (i = 0; i <= sizeof(s); i++){ if (s[i] == '0') { out[j] += '0'; j++; } else if (s[i] == '1'){ out[j] += '1'; j++; } if (s[i]== 'B') { if (j > 0){ out[j-1] = '\0'; j--; } } } cout << out << endl; }
a.cc: In function 'int main()': a.cc:7:11: error: storage size of 's' isn't known 7 | char s[] ; | ^ a.cc:16:13: error: 'out' was not declared in this scope 16 | out[j] += '0'; | ^~~ a.cc:20:13: error: 'out' was not declared in this scope 20 | out[j] += '1'; | ^~~ a.cc:27:17: error: 'out' was not declared in this scope 27 | out[j-1] = '\0'; | ^~~ a.cc:35:13: error: 'out' was not declared in this scope 35 | cout << out << endl; | ^~~
s306850990
p04030
C++
s = input() ans = [] for ch in s: if ch == '0': ans.append('0') elif ch == '1': ans.append('1') else: if len(ans) != 0: ans.pop() print("".join(ans))
a.cc:1:1: error: 's' does not name a type 1 | s = input() | ^
s495103074
p04030
C++
// inputに入力データ全体が入る function Main(input) { ans = []; for(let i=0;i<input.length;i++){ if(input[i] == 'B') ans.pop(); else ans.push(input[i]); } console.log(ans.join('')); } //*この行以降は編集しないでください(標準入出力から一度に読み込み、Mainを呼び出します) Main(require("fs").readFileSync("/dev/stdin", "utf8"));
a.cc:8:30: error: empty character constant 8 | console.log(ans.join('')); | ^~ a.cc:2:1: error: 'function' does not name a type; did you mean 'union'? 2 | function Main(input) { | ^~~~~~~~ | union a.cc:11:5: error: expected constructor, destructor, or type conversion before '(' token 11 | Main(require("fs").readFileSync("/dev/stdin", "utf8")); | ^
s443341146
p04030
C++
#include <iostream> #include <string> #include <algorithm> #include <iomanip> #include <vector> #include <map> #include <cmath> int main() { std::string s, ans; std::cin >> s; for (int i = 0;i < s.size();i++) { if (s[i] == '0') { ans.push_back('0'); } else if (s[i] == '1') { ans.push_back('1'); } else{ if(!ans.empty) ans.pop_back(); } } std::cout << ans << std::endl; return 0; }
a.cc: In function 'int main()': a.cc:20:33: error: cannot convert 'std::__cxx11::basic_string<char>::empty' from type 'bool (std::__cxx11::basic_string<char>::)() const noexcept' to type 'bool' 20 | if(!ans.empty) | ^~~~~ a.cc:20:33: error: in argument to unary ! 20 | if(!ans.empty) | ~~~~^~~~~
s647936133
p04030
C++
#include<iostream> #include<cstdio> #include<vector> #include<string> #include<cstring> #include<functional> #include<stack> #include<queue> #include <iomanip> #include<map> #include<limits> #include<cmath> #include<algorithm> #include<bitset> #include<utility> #include<complex> #include<cstdlib> #include<set> #include<cctype> #define DBG cerr << '!' << endl; #define REP(i,n) for(int (i) = (0);(i) < (n);++i) #define rep(i,s,g) for(int (i) = (s);(i) < (g);++i) #define rrep(i,s,g) for(int (i) = (s);i >= (g);--(i)) #define PB push_back #define MP make_pair #define FI first #define SE second #define SHOW1d(v,n) {for(int i = 0;i < (n);i++)cerr << v[i] << ' ';cerr << endl << endl;} #define SHOW2d(v,i,j) {for(int aaa = 0;aaa < i;aaa++){for(int bbb = 0;bbb < j;bbb++)cerr << v[aaa][bbb] << ' ';cerr << endl;}cerr << endl;} #define ALL(v) v.begin(),v.end() #define Decimal fixed<<setprecision(20) using namespace std; typedef long long ll; typedef vector<int> iv; typedef vector<iv> iiv; typedef vector<string> sv; char mp[100]; int main() { string str;cin >> str; int now = 0; REP(i,str.size()) { if(sre[i] == 'B' && now > 0)now--; else { [now] = str[i]; now++; } } REP(i,now) { cout << mp[i]; }cout << endl; return 0; }
a.cc: In function 'int main()': a.cc:49:20: error: 'sre' was not declared in this scope 49 | if(sre[i] == 'B' && now > 0)now--; | ^~~ a.cc: In lambda function: a.cc:52:31: error: expected '{' before '=' token 52 | [now] = str[i]; | ^ a.cc: In function 'int main()': a.cc:52:38: error: no match for 'operator=' (operand types are 'main()::<lambda()>' and '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'}) 52 | [now] = str[i]; | ^ a.cc:52:29: note: candidate: 'main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&)' (deleted) 52 | [now] = str[i]; | ^ a.cc:52:29: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'const main()::<lambda()>&'
s344784353
p04030
C++
0BB1
a.cc:1:1: error: expected unqualified-id before numeric constant 1 | 0BB1 | ^~~~
s894627249
p04030
C++
abc
a.cc:1:1: error: 'abc' does not name a type 1 | abc | ^~~
s031977221
p04030
C++
// glory be to the sky #include<cstdio> #include<bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ios::sync_with_stdio(false); cin.tie(0); string input; vector<char> output; cin >> input; for (int i = 0; i < input.length(); i++) { if (input[i] == '0') output.pb('0'); else if (input[i] == '1') output.pb('1'); else if (output.size()) output.pop_back(); } for (int i = 0; i < output.size(); i++) cout << output[i]; return 0; }
a.cc: In function 'int main()': a.cc:16:45: error: 'class std::vector<char>' has no member named 'pb' 16 | if (input[i] == '0') output.pb('0'); | ^~ a.cc:17:50: error: 'class std::vector<char>' has no member named 'pb' 17 | else if (input[i] == '1') output.pb('1'); | ^~
s123381974
p04030
C
#include<iostream> #include<cstdio> #include<cstring> #include<cstdlib> #include<algorithm> #include<queue> #include<vector> #include<stack> #include<map> #include<set> #include<cmath> #include<cctype> #include<ctime> #define pi acos(-1.0) using namespace std; int main() { string a; cin>>a; int len=a.length(); stack <char> q ; for(int i=0;i<len;i++){ if(a[i]=='1'){ q.push('1'); } else if(a[i]=='0'){ q.push('0'); } else if(a[i]=='B'){ if(q.size()>0) q.pop(); } } while(q.size()>0){ cout<<q.top(); q.pop(); } cout<<endl; return 0; }
main.c:1:9: fatal error: iostream: No such file or directory 1 | #include<iostream> | ^~~~~~~~~~ compilation terminated.
s725101342
p04030
C++
#include<iostream> #include<cstring> #include<vector> #include<stack> #include<cstdio> using namespace std; char a[50],b[50]; int main() { vector<char>q; while(cin>>a) { int len=a.size(); for(int i=0;i<len;i++) { if(a[i]=='0') q.push_back('0'); else if(a[i]=='1') q.push_back('1'); else if(!q.empty()) q.pop_back(); } int j=q.size(); for(int i=0;i<j;i++) { cout<<b[i]; } cout<<endl; } return 0; }
a.cc: In function 'int main()': a.cc:13:27: error: request for member 'size' in 'a', which is of non-class type 'char [50]' 13 | int len=a.size(); | ^~~~
s691428751
p04030
C++
#include<iostream> #include<cstring> #include<vextor> #include<stack> #include<cstdio> using namespace std; char a[50],b[50]; int main() { vector<char>q; while(cin>>a) { int len=a.size(); for(int i=0;i<len;i++) { if(a[i]=='0') q.push_back('0'); else if(a[i]=='1') q.push_back('1'); else if(!q.empty()) q.pop_back(); } int j=q.size(); for(int i=0;i<j;i++) { cout<<b[i]; } cout<<endl; } return 0; }
a.cc:3:9: fatal error: vextor: No such file or directory 3 | #include<vextor> | ^~~~~~~~ compilation terminated.
s293268682
p04030
C++
#include<iostream> using namespace std; #include<cstring> #include<cstdio> int a[20]; char s[20]; int main() { gets(s); // puts(s); int k=-1; for(int i=0;i<strlen(s);i++) { if(s[i]=='0') { k++; a[k]=0; } if(s[i]=='1') { k++; a[k]=1; } if(s[i]=='B') if(k>=0) k--; } for(int i=0;i<=k;i++) { cout<<a[i]; } return 0; }
a.cc: In function 'int main()': a.cc:9:9: error: 'gets' was not declared in this scope; did you mean 'getw'? 9 | gets(s); | ^~~~ | getw
s294731088
p04030
C++
#include<iostream> using namespace std; #include<cstring> #include<cstdio> int a[20]; char s[20]; int main() { gets(s); // puts(s); int k=-1; for(int i=0;i<strlen(s);i++) { if(s[i]=='0') { k++; a[k]=0; } if(s[i]=='1') { k++; a[k]=1; } if(s[i]=='B') if(k>=0) k--; } for(int i=0;i<=k;i++) { cout<<a[i]; } return 0; }
a.cc: In function 'int main()': a.cc:9:9: error: 'gets' was not declared in this scope; did you mean 'getw'? 9 | gets(s); | ^~~~ | getw
s530355552
p04030
C++
#include<iostream> using namespace std; #include<cstring> int a[20]; char s[20]; int main() { gets(s); // puts(s); int k=-1; for(int i=0;i<strlen(s);i++) { if(s[i]=='0') { k++; a[k]=0; } if(s[i]=='1') { k++; a[k]=1; } if(s[i]=='B') if(k>=0) k--; } for(int i=0;i<=k;i++) { cout<<a[i]; } return 0; }
a.cc: In function 'int main()': a.cc:8:9: error: 'gets' was not declared in this scope; did you mean 'getw'? 8 | gets(s); | ^~~~ | getw
s523172557
p04030
C++
#include"stdio.h" #include"cstdio" #include"algorithm" #include"string.h" using namespace std; const int max_n=1e4+10; char A[max_n]; char S[50]; int main() { while(gets(A)!=NULL) { int i,k=-1,n=strlen(A); memset(S,0,sizeof(S)); for(i=0;i<n;i++) { if(A[i]=='0') { S[++k]='0'; } if(A[i]=='1') { S[++k]='1'; } if(A[i]=='B') { if(strlen(S)) S[k--]=0; } } printf("%s\n",S); } }
a.cc: In function 'int main()': a.cc:11:15: error: 'gets' was not declared in this scope; did you mean 'getw'? 11 | while(gets(A)!=NULL) | ^~~~ | getw
s135215630
p04030
C++
#include<cstring> #include<cstdio> using namespace std; int main() { char s[15],a[15]; gets(s); int len =strlen(s); int l=0; for(int i=0;i<len ;i++) { if(s[i]=='0'||s[i]=='1') a[l++]=s[i]; if(s[i]=='B'&&l>=1) l--; } for(int i=0;i<l;i++) printf("%c",a[i]); printf("\n"); return 0; }
a.cc: In function 'int main()': a.cc:7:5: error: 'gets' was not declared in this scope; did you mean 'getw'? 7 | gets(s); | ^~~~ | getw
s483705889
p04030
C++
#include <iostream> #include <cstdio> #include <string> #include <vector> using namespace std; int main() { string s; while(cin>>s) { for(int i=0;i<s.size();i++) { if(s[i]=='0') { ch.push_back('0'); } else if(s[i]=='1') { ch.push_back('1'); } else if(!ch.empty()) { ch.pop_back(); } } for(int i=0;i<ch.size();i++) { cout<<ch[i]; } cout<<endl; } return 0; }
a.cc: In function 'int main()': a.cc:17:17: error: 'ch' was not declared in this scope 17 | ch.push_back('0'); | ^~ a.cc:21:17: error: 'ch' was not declared in this scope 21 | ch.push_back('1'); | ^~ a.cc:23:22: error: 'ch' was not declared in this scope 23 | else if(!ch.empty()) | ^~ a.cc:28:23: error: 'ch' was not declared in this scope 28 | for(int i=0;i<ch.size();i++) | ^~
s775635445
p04030
C++
#include<iostream> #include<string> using namespace std; int main() { string s, str=""; cin >> s; for (int i = 0;i < s.size();i++) { if ((s[i]=='0'||s[i]=='1') { str += s[i]; } else { str = str.substr(0, str.size() - 1); } } cout << str << endl; return 0; }
a.cc: In function 'int main()': a.cc:8:43: error: expected ')' before '{' token 8 | if ((s[i]=='0'||s[i]=='1') { | ~ ^~ | ) a.cc:14:9: error: expected primary-expression before '}' token 14 | } | ^
s471205307
p04030
C++
#include<iostream> #include<string> using namespace std; int main() { string s, str; cin >> s; for (int i = 0;i < s.size();i++) { if ((s[i] == 0) || (s[i] == 1)) { str += s[i]; } else str = str.substr(0, str.size()-1); cout << str << endl; return 0; }
a.cc: In function 'int main()': a.cc:15:2: error: expected '}' at end of input 15 | } | ^ a.cc:4:12: note: to match this '{' 4 | int main() { | ^
s164974708
p04030
C++
#include <stdio.h> #include <conio.h> int main(){ char S[11]; char A[11]={}; int x=0; scanf("%s",&S); for(int i=0;i<11;i++){ if(S[i]=='0'){ A[x]='0'; x++; } else if(S[i]=='1'){ A[x]='1'; x++; } else if(S[i]=='B'){ if(x!=0) x--; } } for(int i=0;i<x;i++){ printf("%c",A[i]); } printf("\n"); getch(); }
a.cc:2:10: fatal error: conio.h: No such file or directory 2 | #include <conio.h> | ^~~~~~~~~ compilation terminated.
s514197301
p04030
C++
#include <cstdio> #ifdef _MSC_VER #include <conio.h> #else #define getch() #endif #include <string> #include <queue> using std::string; using std::queue; int main(){ queue<char> Input; string Str=""; char Buf[11]=""; scanf("%s",Buf); for(int i=0;i<strlen(Buf);i++){ Input.push(Buf[i]); } while(Input.empty()!=true){ char Top=Input.front(); Input.pop(); switch(Top){ case '0': //printf("Pushed 0\n"); Str.push_back('0'); break; case '1': //printf("Pushed 1\n"); Str.push_back('1'); break; case 'B': if(Str.empty()!=true){ //printf("Erased\n"); Str.erase(Str.size()-1); } break; } } printf("%s\n",Str.c_str()); getch(); return 0; }
a.cc: In function 'int main()': a.cc:18:23: error: 'strlen' was not declared in this scope 18 | for(int i=0;i<strlen(Buf);i++){ | ^~~~~~ a.cc:9:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>' 8 | #include <queue> +++ |+#include <cstring> 9 |
s258594238
p04030
C++
//ABC043B #include <iostream> #include <string> #include <stack> #include <list> #include <algorithm> using namespace std; int main(){ string s; list<char> st; cin>>s; for(int i=0;i<s.size();i++){ if(s[i]=='0'||s[i]=='1'){ st.push_back(s[i]); }else if(s[i]=='B'){ if(!st.empty()){ st.pop_back(); } } } for(int i=0;i<st.size();i++){ cout<<st.front(); st.pop.front(); } cout<<endl; return 0; }
a.cc: In function 'int main()': a.cc:27:16: error: 'class std::__cxx11::list<char>' has no member named 'pop' 27 | st.pop.front(); | ^~~
s076847151
p04030
C++
package main import ( "fmt" ) func main(){ var b string fmt.Scan(&b) var out []rune for _,v := range b { switch v { case 'B': if len(out) > 0 { out = out[:len(out) - 1] } default: out = append(out, v) } } fmt.Println(string(out)) }
a.cc:1:1: error: 'package' does not name a type 1 | package main | ^~~~~~~
s829347480
p04030
Java
public class Main { public static void main(String[] args) { // TODO Auto-generated method stub Scanner s=new Scanner(System.in); String S=s.next(); boolean f[]=new boolean[S.length()]; int i=0; for(i=0;i<S.length();i++){ f[i]=true; if(S.charAt(i)=='B'){ f[i-1]=false; f[i]=false; } } for(i=0;i<S.length();i++){ if(f[i]==true)System.out.print(S.charAt(i)); } } }
Main.java:5: error: cannot find symbol Scanner s=new Scanner(System.in); ^ symbol: class Scanner location: class Main Main.java:5: error: cannot find symbol Scanner s=new Scanner(System.in); ^ symbol: class Scanner location: class Main 2 errors
s660656525
p04030
C++
import java.util.*; public class Main { public static void main(String[] args) { Scanner sc=new Scanner(System.in); String s=sc.next(); String m=""; String taihi=""; for(int i=0;i<s.length();i++){ if(s.charAt(i)=='B'){ for(int j=0;j<m.length()-1;j++){ taihi+=m.charAt(j); } m=taihi; taihi=""; }else{ m+=s.charAt(i); } } System.out.println(m); } }
a.cc:1:3: error: 'import' does not name a type 1 | import java.util.*; | ^~~~~~ a.cc:1:3: note: C++20 'import' only available with '-fmodules-ts' a.cc:2:3: error: expected unqualified-id before 'public' 2 | public class Main { | ^~~~~~
s316262106
p04030
C++
#include<iostream> #include<string> using namespace std; int main(){ string s; cin >> s; string str; for (int i = 0; i < s.size(); i++){ if (s[i] == '0')str += '0'; else if (s[i] == '1')str += '1'; else if (s[i] == 'B'&&s.size != 0)s.pop_back(); } cout << str << endl; }
a.cc: In function 'int main()': a.cc:10:41: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?) 10 | else if (s[i] == 'B'&&s.size != 0)s.pop_back(); | ~~^~~~ | ()
s418784787
p04030
C++
ra
a.cc:1:1: error: 'ra' does not name a type 1 | ra | ^~
s988831128
p04030
C++
#include <cstdlib> #include <cmath> #include <climits> #include <cfloat> #include <map> #include <set> #include <iostream> #include <string> #include <vector> #include <algorithm> #include <sstream> #include <complex> #include <stack> #include <queue> #include <cstdio> #include <cstring> #include <iterator> #include <bitset> #include <unordered_set> #include <unordered_map> #include <fstream> #include <iomanip> #include <cassert> //#include <utility> //#include <memory> //#include <functional> //#include <deque> //#include <cctype> //#include <ctime> //#include <numeric> //#include <list> //#include <iomanip> //#if __cplusplus >= 201103L //#include <array> //#include <tuple> //#include <initializer_list> //#include <forward_list> // //#define cauto const auto& //#else //#endif using namespace std; typedef long long ll; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef vector<int> vint; typedef vector<vector<int> > vvint; typedef vector<long long> vll, vLL; typedef vector<vector<long long> > vvll, vvLL; #define VV(T) vector<vector< T > > template <class T> void initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){ v.assign(a, vector<T>(b, t)); } template <class F, class T> void convert(const F &f, T &t){ stringstream ss; ss << f; ss >> t; } #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define reep(i,a,b) for(int i=(a);i<(b);++i) #define rep(i,n) reep((i),0,(n)) #define ALL(v) (v).begin(),(v).end() #define PB push_back #define F first #define S second #define mkp make_pair #define RALL(v) (v).rbegin(),(v).rend() #define DEBUG #ifdef DEBUG #define dump(x) cout << #x << " = " << (x) << endl; #define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl; #else #define dump(x) #define debug(x) #endif #define MOD 1000000007LL #define EPS 1e-8 #define INF 0x3f3f3f3f #define INFL 0x3f3f3f3f3f3f3f3fLL #define maxs(x,y) x=max(x,y) #define mins(x,y) x=min(x,y) void mainmain(){ string s; cin>>s; stirng ans = ""; rep(i,s.size()){ if(s[i]=='B'){ if(ans.size()==0){ continue; } else{ ans = ans.substr(0,ans.size()-1); } } else{ ans += s[i]; } } cout<<ans<<endl; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout<<fixed<<setprecision(20); mainmain(); }
a.cc: In function 'void mainmain()': a.cc:100:9: error: 'stirng' was not declared in this scope 100 | stirng ans = ""; | ^~~~~~ a.cc:103:28: error: 'ans' was not declared in this scope; did you mean 'abs'? 103 | if(ans.size()==0){ | ^~~ | abs a.cc:111:25: error: 'ans' was not declared in this scope; did you mean 'abs'? 111 | ans += s[i]; | ^~~ | abs a.cc:114:15: error: 'ans' was not declared in this scope; did you mean 'abs'? 114 | cout<<ans<<endl; | ^~~ | abs
s566488672
p04030
Java
public class Main { public static void main(String Args[]){ Scanner sc=new Scanner(System.in); String str = sc.next(); StringBuffer sb1 = new StringBuffer(); char []hoge = str.toCharArray(); for(char ch:hoge){ if(ch == '0'){ sb1.append(0); } if(ch == '1'){ sb1.append(1); } if(ch == 'B'){ if(sb1.length() > 0){ sb1.delete(sb1.length()-1,sb1.length()); } } } System.out.println(sb1); } }
Main.java:5: error: cannot find symbol Scanner sc=new Scanner(System.in); ^ symbol: class Scanner location: class Main Main.java:5: error: cannot find symbol Scanner sc=new Scanner(System.in); ^ symbol: class Scanner location: class Main 2 errors
s901060321
p04030
C++
#include <stdio.h> #include <iostream> #include <algorithm> #include <string> #include <map> #include <vector> const long long INF = LLONG_MAX / 2; #define FOR(i, r, n) for(int i=(r); i<(n); i++) #define REP(i, n) FOR(i, (0), n) #define ll long long int template<typename T> void remove(std::vector<T>& vector, unsigned int index) { vector.erase(vector.begin() + index); } using namespace std; ll ans = 0, sum = 0, n, k, t; string s; vector<ll> v; int main() { cin >> s; REP(i, s.size()) { if (s[i] == '0') { v.push_back(0); } else if (s[i] == '1') { v.push_back(1); } else if (s[i] == 'B') { if (v.size()) { v.pop_back(); } } } REP(i, v.size()) { cout << v[i]; } cout << endl; }
a.cc:7:23: error: 'LLONG_MAX' was not declared in this scope 7 | const long long INF = LLONG_MAX / 2; | ^~~~~~~~~ a.cc:7:1: note: 'LLONG_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>' 6 | #include <vector> +++ |+#include <climits> 7 | const long long INF = LLONG_MAX / 2;
s578192240
p04030
Java
import java.util.Scanner; public class Hacking { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String str = scanner.nextLine(); String str2 = ""; for(char c : str.toCharArray()){ if(c == 'b'){ if(!str2.equals("")){ str2 = str2.substring(0,str2.length()-1); } } else{ str2 += c; } } System.out.println(str2); } }
Main.java:3: error: class Hacking is public, should be declared in a file named Hacking.java public class Hacking { ^ 1 error
s765007959
p04030
C++
#include <iostream> #include <stack> using namespace std; int main() { string s; string st; cin >> s; for (auto i = s.begin(); i != s.end(); i++) { if (*i=='B') st.pop_back(); else st.push_back(*i) } cout << st << endl; return 0; }
a.cc: In function 'int main()': a.cc:12:22: error: expected ';' before '}' token 12 | else st.push_back(*i) | ^ | ; 13 | } | ~
s434842763
p04030
C++
#include <iostream> #include <stack> using namespace std; int main() { string s; string st cin >> s; for (auto i = s.begin(); i != s.end(); i++) { if (*i=='B') st.pop_back(); else st.push_back(*i) } cout << st << endl; return 0; }
a.cc: In function 'int main()': a.cc:9:1: error: expected initializer before 'cin' 9 | cin >> s; | ^~~ a.cc:11:14: error: 'st' was not declared in this scope; did you mean 's'? 11 | if (*i=='B') st.pop_back(); | ^~ | s a.cc:12:6: error: 'st' was not declared in this scope; did you mean 's'? 12 | else st.push_back(*i) | ^~ | s a.cc:14:9: error: 'st' was not declared in this scope; did you mean 's'? 14 | cout << st << endl; | ^~ | s
s001452841
p04030
C
include<stdio.h> int main(void) { char S[500]; scanf("%S",S); printf("%S",S); rewind(stdin); getchar(); return 0; }
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token 1 | include<stdio.h> | ^
s188471453
p04030
C
include<stdio.h> int main(void) { char S[500]; scanf("%S",S); printf("%S",S); rewind(stdin); getchar(); return 0; }
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token 1 | include<stdio.h> | ^
s000934676
p04030
C++
#include<iostream> #include<string> using std::cin; using std::cout; using std::endl; using std::string; string s, result; int main() { cin >> s; for(auto c : s) { if(c == 'B') { if(!result.empty()) result.erase(result.size()-1); continue; } result.append(c); } cout << result << endl; return 0; }
a.cc: In function 'int main()': a.cc:17:30: error: no matching function for call to 'std::__cxx11::basic_string<char>::append(char&)' 17 | result.append(c); | ~~~~~~~~~~~~~^~~ In file included 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/bits/basic_string.h:1480:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' (near match) 1480 | append(const _CharT* __s) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1480:7: note: conversion of argument 1 would be ill-formed: a.cc:17:31: error: invalid conversion from 'char' to 'const char*' [-fpermissive] 17 | result.append(c); | ^ | | | char /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(_InputIterator, _InputIterator) [with <template-parameter-2-2> = _InputIterator; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1529 | append(_InputIterator __first, _InputIterator __last) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1529:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1541:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1541 | append(const _Tp& __svt) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1541:9: note: template argument deduction/substitution failed: In file included from /usr/include/c++/14/bits/move.h:37, from /usr/include/c++/14/bits/exception_ptr.h:41, from /usr/include/c++/14/exception:166, from /usr/include/c++/14/ios:41: /usr/include/c++/14/type_traits: In substitution of 'template<bool _Cond, class _Tp> using std::enable_if_t = typename std::enable_if::type [with bool _Cond = false; _Tp = std::__cxx11::basic_string<char>&]': /usr/include/c++/14/bits/basic_string.h:149:8: required by substitution of 'template<class _CharT, class _Traits, class _Alloc> template<class _Tp, class _Res> using std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv = std::enable_if_t<((bool)std::__and_<std::is_convertible<const _Tp&, std::basic_string_view<_CharT, _Traits> >, std::__not_<std::is_convertible<const _Tp*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>*> >, std::__not_<std::is_convertible<const _Tp&, const _CharT*> > >::value), _Res> [with _Tp = char; _Res = std::__cxx11::basic_string<char>&; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 149 | using _If_sv = enable_if_t< | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1541:9: required by substitution of 'template<class _Tp> std::__cxx11::basic_string<char>::_If_sv<_Tp, std::__cxx11::basic_string<char>&> std::__cxx11::basic_string<char>::append(const _Tp&) [with _Tp = char]' 1541 | append(const _Tp& __svt) | ^~~~~~ a.cc:17:16: required from here 17 | result.append(c); | ~~~~~~~~~~~~~^~~ /usr/include/c++/14/type_traits:2711:11: error: no type named 'type' in 'struct std::enable_if<false, std::__cxx11::basic_string<char>&>' 2711 | using enable_if_t = typename enable_if<_Cond, _Tp>::type; | ^~~~~~~~~~~ /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate: 'template<class _Tp> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_If_sv<_Tp, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _Tp&, size_type, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1557 | append(const _Tp& __svt, size_type __pos, size_type __n = npos) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1557:9: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1435:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1435 | append(const basic_string& __str) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1435:34: note: no known conversion for argument 1 from 'char' to 'const std::__cxx11::basic_string<char>&' 1435 | append(const basic_string& __str) | ~~~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/14/bits/basic_string.h:1453:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, size_type, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1453 | append(const basic_string& __str, size_type __pos, size_type __n = npos) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1453:7: note: candidate expects 3 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1466:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1466 | append(const _CharT* __s, size_type __n) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1466:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1498:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(size_type, _CharT) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' 1498 | append(size_type __n, _CharT __c) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1498:7: note: candidate expects 2 arguments, 1 provided /usr/include/c++/14/bits/basic_string.h:1509:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::append(std::initializer_list<_Tp>) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' 1509 | append(initializer_list<_CharT> __l) | ^~~~~~ /usr/include/c++/14/bits/basic_string.h:1509:39: note: no known conversion for argument 1 from 'char' to 'std::initializer_list<char>' 1509 | append(initializer_list<_CharT> __l) | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
s390790623
p04030
C++
#include <iostream> #include <cstdio> #include <cstring> using namespace std; #define sz 12 char s[sz + 2]; int main(){ int i, j, len; int p = 0; scanf("%s", s) len = strlen(s); if(len == 1){ if(s[0] != 'B'){ printf("%s\n", s); } } if(len > 1){ for(i = 0; s[i]; i++){ if(i < len - 1){ if(s[i + 1] != 'B' && s[i] != 'B'){ putchar(s[i]); p = 1; } }else if(i < len){ if(s[i] != 'B'){ putchar(s[i]); p = 1; } } } printf("\n"); } return 0; }
a.cc: In function 'int main()': a.cc:15:19: error: expected ';' before 'len' 15 | scanf("%s", s) | ^ | ; 16 | 17 | len = strlen(s); | ~~~
s671866247
p04030
C++
#include <iostream> #include <cstdio> #include <cstring> using namespace std; #define sz 12 char s[sz + 3]; int main(){ int i, j, len; gets(s); len = strlen(s); if(len == 1){ puts(s); }else{ for(i = 0; s[i]; i++){ if(s[i + 1] != 'B' && s[i] != 'B'){ putchar(s[i]); } } printf("\n"); } return 0; }
a.cc: In function 'int main()': a.cc:14:5: error: 'gets' was not declared in this scope; did you mean 'getw'? 14 | gets(s); | ^~~~ | getw