Problem	abbb
User	AndyChen
Submission Time	2026-07-22 20:04:23
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

abbb.cpp: In function ‘int main()’:
abbb.cpp:19:25: error: no matching function for call to ‘std::stack<std::__cxx11::basic_string<char> >::push(char&)’
19 | b.push(x);
| ^
In file included from /usr/include/c++/9/stack:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:89,
from abbb.cpp:1:
/usr/include/c++/9/bits/stl_stack.h:233:7: 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> > >; std::stack<_Tp, _Sequence>::value_type = std::__cxx11::basic_string<char>]’
233 | push(const value_type& __x)
| ^~~~
/usr/include/c++/9/bits/stl_stack.h:233:30: note: no known conversion for argument 1 from ‘char’ to ‘const value_t