0_0_18307177_5289.cpp: In function 'void add_edge(int, int)':
0_0_18307177_5289.cpp:78:5: error: reference to 'next' is ambiguous
next[cc]=first[u];
^
0_0_18307177_5289.cpp:71:19: note: candidates are: int next [300005]
int first[100005],next[300005];
^
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_18307177_5289.cpp:7:
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_18307177_5289.cpp:84:5: error: reference to 'next' is ambiguous
next[cc]=first[v];
^
0_0_18307177_5289.cpp:71:19: note: candidates are: int next [300005]
int first[100005],next[300005];
^
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_18307177_5289.cpp:7:
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_18307177_5289.cpp: In function 'int bfs(int)':
0_0_18307177_5289.cpp:101:32: error: reference to 'next' is ambiguous
for(i=first[u];i!=-1;i=next[i])
^
0_0_18307177_5289.cpp:71:19: note: candidates are: int next [300005]
int first[100005],next[300005];
^
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_18307177_5289.cpp:7:
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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