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View Compilation Error

0_0_36403156_9658.cpp: In function 'void bfs(int, int)':
0_0_36403156_9658.cpp:23:4: error: reference to 'next' is ambiguous
    next.x=now.x+dir[i][0];
    ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:24:4: error: reference to 'next' is ambiguous
    next.y=now.y+dir[i][1];
    ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:25:7: error: reference to 'next' is ambiguous
    if(next.x>=0&&next.x<H&&next.y>=0&&next.y<W&&visit[next.x][next.y]==0&&map[next.x][next.y]=='#'){
       ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:25:18: error: reference to 'next' is ambiguous
    if(next.x>=0&&next.x<H&&next.y>=0&&next.y<W&&visit[next.x][next.y]==0&&map[next.x][next.y]=='#'){
                  ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:25:28: error: reference to 'next' is ambiguous
    if(next.x>=0&&next.x<H&&next.y>=0&&next.y<W&&visit[next.x][next.y]==0&&map[next.x][next.y]=='#'){
                            ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:25:39: error: reference to 'next' is ambiguous
    if(next.x>=0&&next.x<H&&next.y>=0&&next.y<W&&visit[next.x][next.y]==0&&map[next.x][next.y]=='#'){
                                       ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:25:55: error: reference to 'next' is ambiguous
    if(next.x>=0&&next.x<H&&next.y>=0&&next.y<W&&visit[next.x][next.y]==0&&map[next.x][next.y]=='#'){
                                                       ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:25:63: error: reference to 'next' is ambiguous
    if(next.x>=0&&next.x<H&&next.y>=0&&next.y<W&&visit[next.x][next.y]==0&&map[next.x][next.y]=='#'){
                                                               ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:25:79: error: reference to 'next' is ambiguous
    if(next.x>=0&&next.x<H&&next.y>=0&&next.y<W&&visit[next.x][next.y]==0&&map[next.x][next.y]=='#'){
                                                                               ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:25:87: error: reference to 'next' is ambiguous
    if(next.x>=0&&next.x<H&&next.y>=0&&next.y<W&&visit[next.x][next.y]==0&&map[next.x][next.y]=='#'){
                                                                                       ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type)
     next(_ForwardIterator __x, typename
     ^
0_0_36403156_9658.cpp:26:11: error: reference to 'next' is ambiguous
     visit[next.x][next.y]=1;
           ^
0_0_36403156_9658.cpp:7:6: note: candidates are: node next
 }now,next;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_36403156_9658.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:184:5: note:                 template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterato


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