Problem	card
User	Red123
Submission Time	2025-08-20 16:10:01
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

card.cpp: In function ‘int main()’:
card.cpp:15:8: error: no match for ‘operator==’ (operand types are ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} and ‘char’)
15 | if(x == 'A'){
| ~ ^~ ~~~
| | |
| | char
| std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from card.cpp:1:
/usr/include/c++/9/bits/regex.h:1026:5: note: candidate: ‘template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)’
1026 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1026:5: note: template argument deduction/substitution failed:
card.cpp:15:11: note: ‘std: