0_0_26088127_2242.cpp: In function 'int main()':
0_0_26088127_2242.cpp:26:9: error: no match for 'operator[]' (operand types are 'std::map<int, int>' and '<unresolved overloaded function type>')
vis[pq.top]--;
^
0_0_26088127_2242.cpp:26:9: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:61:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:80,
from 0_0_26088127_2242.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_map.h:491:7: note: std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = int; _Tp = int; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = int]
operator[](const key_type& __k)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_map.h:491:7: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'const key_type& {aka const int&}'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_map.h:511:7: note: std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = int; _Tp = int; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = int]
operator[](key_type&& __k)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_map.h:511:7: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::map<int, int>::key_type&& {aka int&&}'
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