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View Compilation Error

0_0_13663403_24865.cpp: In function 'void add_edge(int, int)':
0_0_13663403_24865.cpp:13:15: error: reference to 'next' is ambiguous
  to[tot] = b; next[tot] = h[a]; h[a] = tot; tot++;
               ^
0_0_13663403_24865.cpp:10:42: note: candidates are: int next [115200]
 int to[MaxS * MaxS * 8], h[MaxS * MaxS], next[MaxS * MaxS * 8], tot;
                                          ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_13663403_24865.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_13663403_24865.cpp:14:15: error: reference to 'next' is ambiguous
  to[tot] = a; next[tot] = h[b]; h[b] = tot; tot++;
               ^
0_0_13663403_24865.cpp:10:42: note: candidates are: int next [115200]
 int to[MaxS * MaxS * 8], h[MaxS * MaxS], next[MaxS * MaxS * 8], tot;
                                          ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_13663403_24865.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_13663403_24865.cpp: In function 'int solve(int, int)':
0_0_13663403_24865.cpp:58:33: error: reference to 'next' is ambiguous
   for(int i = h[curr.n]; i; i = next[i]) {
                                 ^
0_0_13663403_24865.cpp:10:42: note: candidates are: int next [115200]
 int to[MaxS * MaxS * 8], h[MaxS * MaxS], next[MaxS * MaxS * 8], tot;
                                          ^
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++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_13663403_24865.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
     ^


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