Problem	fibo
User	ovuvuevuevueenyetuewuevue
Submission Time	2025-01-31 17:44:14
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fibo.cpp: In function ‘int main()’:
fibo.cpp:11:57: error: use of deleted function ‘std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::pair<int, int>; _Hash = std::hash<std::pair<int, int> >; _Pred = std::equal_to<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]’
11 | unordered_set<pair<int, int>, hash<pair<int, int>>> seen_pairs;
| ^~~~~~~~~~
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 fibo.cpp:1:
/usr/include/c++/9/bits/unordered_set.h:135:7: note: ‘std::unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set() [with _Value = std::pair<int, int>; _Hash = std::hash<std::pair<int, int> >; _Pred = std::equal_to<std::pair<int, in