0_0_23638593_5138.cpp: In function 'void addEdge(int, int)':
0_0_23638593_5138.cpp:41:5: error: reference to 'next' is ambiguous
next[total] = first[a];
^
0_0_23638593_5138.cpp:19:17: note: candidates are: int next [80010]
int first[Maxn],next[Maxm];
^
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++/stack:60,
from 0_0_23638593_5138.cpp:5:
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_23638593_5138.cpp: In function 'void tarjan(int)':
0_0_23638593_5138.cpp:65:32: error: reference to 'next' is ambiguous
for(int i=first[u];i!=-1;i=next[i])
^
0_0_23638593_5138.cpp:19:17: note: candidates are: int next [80010]
int first[Maxn],next[Maxm];
^
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++/stack:60,
from 0_0_23638593_5138.cpp:5:
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_23638593_5138.cpp: In function 'bool twoSet(int, int)':
0_0_23638593_5138.cpp:127:36: error: reference to 'next' is ambiguous
for(int j=first[i];j!=-1;j=next[j])
^
0_0_23638593_5138.cpp:19:17: note: candidates are: int next [80010]
int first[Maxn],next[Maxm];
^
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++/stack:60,
from 0_0_23638593_5138.cpp:5:
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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