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View Compilation Error

0_0_18988766_9164.cpp: In function 'int solve(node)':
0_0_18988766_9164.cpp:74:23: error: reference to 'hash' is ambiguous
             ans = ans+hash[i*3+j]*cnt;  
                       ^
0_0_18988766_9164.cpp:24:5: note: candidates are: int hash [15]
 int hash[15];  
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_18988766_9164.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_18988766_9164.cpp: In function 'void bfs()':
0_0_18988766_9164.cpp:112:13: error: reference to 'next' is ambiguous
             next = a;  
             ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:113:13: error: reference to 'next' is ambiguous
             next.x+=to[i][0];  
             ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:114:13: error: reference to 'next' is ambiguous
             next.y+=to[i][1];  
             ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:115:16: error: reference to 'next' is ambiguous
             if(next.x < 0 || next.y < 0 || next.x>2 || next.y > 2)  
                ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:115:30: error: reference to 'next' is ambiguous
             if(next.x < 0 || next.y < 0 || next.x>2 || next.y > 2)  
                              ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:115:44: error: reference to 'next' is ambiguous
             if(next.x < 0 || next.y < 0 || next.x>2 || next.y > 2)  
                                            ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:115:56: error: reference to 'next' is ambiguous
             if(next.x < 0 || next.y < 0 || next.x>2 || next.y > 2)  
                                                        ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:117:13: error: reference to 'next' is ambiguous
             next.map[a.x][a.y] = a.map[next.x][next.y];  
             ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:117:40: error: reference to 'next' is ambiguous
             next.map[a.x][a.y] = a.map[next.x][next.y];  
                                        ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:117:48: error: reference to 'next' is ambiguous
             next.map[a.x][a.y] = a.map[next.x][next.y];  
                                                ^
0_0_18988766_9164.cpp:23:12: note: candidates are: node next
 node start,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_18988766_9164.cpp:4:
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_18988766_9164.cpp:118:13: error: reference to 'next' is ambiguous
             next.map[next.x][next.y] = 'x';  
             ^
0_0_18988766_9164.cpp:23:12: note: candidat


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