Problem	bracketex
User	Kannan
Submission Time	2024-02-23 17:58:27
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

bracketex.cpp: In function ‘int main()’:
bracketex.cpp:21:13: error: no matching function for call to ‘std::set<char>::insert(std::set<char>&)’
21 | b.insert(b);
| ^
In file included from /usr/include/c++/9/set:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:87,
from bracketex.cpp:1:
/usr/include/c++/9/bits/stl_set.h:509:7: note: candidate: ‘std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(const value_type&) [with _Key = char; _Compare = std::less<char>; _Alloc = std::allocator<char>; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree_const_iterator<