0_0_30472308_13327.cpp: In function 'void add(int, int, int, int)':
0_0_30472308_13327.cpp:26:2: error: reference to 'next' is ambiguous
next[++tot] = first[x];
^
0_0_30472308_13327.cpp:11:24: note: candidates are: int next [1000000]
int first[N], info[N], next[N], point[N];
^
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++/queue:60,
from 0_0_30472308_13327.cpp:2:
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_30472308_13327.cpp: In function 'bool spfa()':
0_0_30472308_13327.cpp:50:55: error: reference to 'next' is ambiguous
for(int k = first[u], v, temp; v = point[k], k; k = next[k])
^
0_0_30472308_13327.cpp:11:24: note: candidates are: int next [1000000]
int first[N], info[N], next[N], point[N];
^
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++/queue:60,
from 0_0_30472308_13327.cpp:2:
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_30472308_13327.cpp: In function 'int Dinic(int, int)':
0_0_30472308_13327.cpp:76:48: error: reference to 'next' is ambiguous
for(int &k = info[u], v; v = point[k], k; k = next[k])
^
0_0_30472308_13327.cpp:11:24: note: candidates are: int next [1000000]
int first[N], info[N], next[N], point[N];
^
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++/queue:60,
from 0_0_30472308_13327.cpp:2:
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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