0_0_16982250_32711.cpp: In function 'void add(int, int, int)':
0_0_16982250_32711.cpp:68:15: error: reference to 'next' is ambiguous
edge++; next[edge] = head[x]; head[x] = edge; to[edge] = y; from[edge] = x; f[edge] = ff;
^
0_0_16982250_32711.cpp:64:23: note: candidates are: int next [10010]
int head[maxN+10]={0},next[maxM+10],to[maxM+10],f[maxM+10],edge=1,from[maxM+10];
^
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++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_16982250_32711.cpp:1:
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_16982250_32711.cpp:69:15: error: reference to 'next' is ambiguous
edge++; next[edge] = head[y]; head[y] = edge; to[edge] = x; from[edge] = y; f[edge] = 0;
^
0_0_16982250_32711.cpp:64:23: note: candidates are: int next [10010]
int head[maxN+10]={0},next[maxM+10],to[maxM+10],f[maxM+10],edge=1,from[maxM+10];
^
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++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_16982250_32711.cpp:1:
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_16982250_32711.cpp: In function 'int bfs(int, int)':
0_0_16982250_32711.cpp:83:32: error: reference to 'next' is ambiguous
for (i=head[u];i;i=next[i])
^
0_0_16982250_32711.cpp:64:23: note: candidates are: int next [10010]
int head[maxN+10]={0},next[maxM+10],to[maxM+10],f[maxM+10],edge=1,from[maxM+10];
^
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++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_16982250_32711.cpp:1:
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_16982250_32711.cpp: In function 'int dfs(int, int)':
0_0_16982250_32711.cpp:103:39: error: reference to 'next' is ambiguous
for (i=head[u];i&&(flow-minn);i=next[i])
^
0_0_16982250_32711.cpp:64:23: note: candidates are: int next [10010]
int head[maxN+10]={0},next[maxM+10],to[maxM+10],f[maxM+10],edge=1,from[maxM+10];
^
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++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_16982250_32711.cpp:1:
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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