0_0_16747464_19347.cpp: In function 'void addedge(int, int, long long int)':
0_0_16747464_19347.cpp:17:2: error: reference to 'next' is ambiguous
next[++G] = last[x], last[x] = G, to[G] = y, w[G] = v;
^
0_0_16747464_19347.cpp:13:5: note: candidates are: int next [200100]
int next[N], last[N], to[N], G;
^
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++/algorithm:61,
from 0_0_16747464_19347.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_16747464_19347.cpp: In function 'void BFS()':
0_0_16747464_19347.cpp:28:31: error: reference to 'next' is ambiguous
for(int i = last[x]; i; i = next[i])
^
0_0_16747464_19347.cpp:13:5: note: candidates are: int next [200100]
int next[N], last[N], to[N], G;
^
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++/algorithm:61,
from 0_0_16747464_19347.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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