0_0_19364326_15086.cpp: In function 'void Add(const int&, const int&, const int&)':
0_0_19364326_15086.cpp:50:2: error: reference to 'next' is ambiguous
next[++Edgenum] = first[u]; first[u] = Edgenum; E[Edgenum].v = v; E[Edgenum].w = w;
^
0_0_19364326_15086.cpp:36:14: note: candidates are: int next [50050]
int first[N],next[M];
^
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++/vector:60,
from 0_0_19364326_15086.cpp:3:
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_19364326_15086.cpp:51:2: error: reference to 'next' is ambiguous
next[++Edgenum] = first[v]; first[v] = Edgenum; E[Edgenum].v = u; E[Edgenum].w = w;
^
0_0_19364326_15086.cpp:36:14: note: candidates are: int next [50050]
int first[N],next[M];
^
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++/vector:60,
from 0_0_19364326_15086.cpp:3:
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_19364326_15086.cpp: In function 'void dfs(const int&)':
0_0_19364326_15086.cpp:58:29: error: reference to 'next' is ambiguous
for(int i = first[x];i;i = next[i])
^
0_0_19364326_15086.cpp:36:14: note: candidates are: int next [50050]
int first[N],next[M];
^
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++/vector:60,
from 0_0_19364326_15086.cpp:3:
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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