0_0_21654343_18703.cpp: In function 'void addEdge(int, int, int)':
0_0_21654343_18703.cpp:20:45: error: reference to 'next' is ambiguous
from[en] = u, to[en] = v, cost[en] = c, next[en] = head[u], head[u] = en++;
^
0_0_21654343_18703.cpp:15:62: note: candidates are: int next [425960]
int en, S, T, NV, head[N], from[M], to[M], cost[M], flow[M], 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++/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_21654343_18703.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_21654343_18703.cpp:21:46: error: reference to 'next' is ambiguous
from[en] = v, to[en] = u, cost[en] = -c, next[en] = head[v], head[v] = en++;
^
0_0_21654343_18703.cpp:15:62: note: candidates are: int next [425960]
int en, S, T, NV, head[N], from[M], to[M], cost[M], flow[M], 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++/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_21654343_18703.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_21654343_18703.cpp: In function 'bool SPFA()':
0_0_21654343_18703.cpp:32:44: error: reference to 'next' is ambiguous
for (int i = head[u]; i != -1; i = next[i]) if (flow[i] > 0) {
^
0_0_21654343_18703.cpp:15:62: note: candidates are: int next [425960]
int en, S, T, NV, head[N], from[M], to[M], cost[M], flow[M], 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++/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_21654343_18703.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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