Problem	eating
User	G92
Submission Time	2024-07-14 20:17:00
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

eating.cpp: In function ‘int main()’:
eating.cpp:13:37: error: use of deleted function ‘std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> >; _Hash = std::hash<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; _Pred = std::equal_to<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >; _Alloc = std::allocator<std::pair<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> > >]’
13 | unordered_set<pair<string, string>>a;
| ^
In file included from /usr/include/c++/9/unordered_set:47,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:118,
from eating.cpp:3:
/usr/include/c++/9/bits/unordered_set.h:135:7: