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View Compilation Error

0_0_33061983_20508.cpp: In function 'int bfs(int, int)':
0_0_33061983_20508.cpp:51:13: error: 'std::next' does not have class type
             next.state=i;
             ^
0_0_33061983_20508.cpp:55:31: error: 'std::next' does not have class type
                 if(nex.y==sy&&next.x==sx)
                               ^
0_0_33061983_20508.cpp:61:32: error: no matching function for call to 'std::queue<node>::push(<unresolved overloaded function type>)'
                     q.push(next);
                                ^
0_0_33061983_20508.cpp:61:32: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:64:0,
                 from 0_0_33061983_20508.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:215:7: note: void std::queue<_Tp, _Sequence>::push(const value_type&) [with _Tp = node; _Sequence = std::deque<node, std::allocator<node> >; std::queue<_Tp, _Sequence>::value_type = node]
       push(const value_type& __x)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:215:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'const value_type& {aka const node&}'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:220:7: note: void std::queue<_Tp, _Sequence>::push(std::queue<_Tp, _Sequence>::value_type&&) [with _Tp = node; _Sequence = std::deque<node, std::allocator<node> >; std::queue<_Tp, _Sequence>::value_type = node]
       push(value_type&& __x)
       ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:220:7: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::queue<node>::value_type&& {aka node&&}'


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