0_0_23471517_22659.cpp: In function 'int main()':
0_0_23471517_22659.cpp:23:39: error: converting to 'std::unordered_map<int, int>' from initializer list would use explicit constructor 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::size_type, const hasher&, const key_equal&, const allocator_type&) [with _Key = int; _Tp = int; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, int> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::size_type = long long unsigned int; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::hasher = std::hash<int>; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_equal = std::equal_to<int>; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::allocator_type = std::allocator<std::pair<const int, int> >]'
unordered_map<int, int> mp = {};
^
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