Problem	eating
User	penguin
Submission Time	2023-12-02 22:24:02
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

eating.cpp: In function ‘int main()’:
eating.cpp:10:42: 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> > >]’
10 | unordered_set<pair<string, string> > s;
| ^
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:1:
/usr/include/c++/9/bits/unordered_se