0_0_22252371_24873.cpp: In function 'void addedge(int, int, int)':
0_0_22252371_24873.cpp:34:2: error: reference to 'next' is ambiguous
next[size]=pre[u];
^
0_0_22252371_24873.cpp:29:30: note: candidates are: int next [389376]
int edge[MAXM],pre[MAXN]={0},next[MAXM],weight[MAXM],size=1;
^
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_22252371_24873.cpp:4:
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_22252371_24873.cpp: In function 'int sap(int, int)':
0_0_22252371_24873.cpp:16:38: error: reference to 'next' is ambiguous
#define Forp(x) for(int p=pre[x];p;p=next[p])
^
0_0_22252371_24873.cpp:44:2: note: in expansion of macro 'Forp'
Forp(x)
^
0_0_22252371_24873.cpp:29:30: note: candidates are: int next [389376]
int edge[MAXM],pre[MAXN]={0},next[MAXM],weight[MAXM],size=1;
^
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_22252371_24873.cpp:4:
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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