0_0_31846238_31293.cpp: In function 'std::pair<int, int> EK()':
0_0_31846238_31293.cpp:79:6: error: reference to 'prev' is ambiguous
prev[v] = u;
^
0_0_31846238_31293.cpp:10:29: note: candidates are: int prev [5002]
int toth, totr, f, a[N][N], prev[N], pree[N], dis[N], s, t, n, m, cnt, val[M], flow[M], to[M], head[N], nxt[M], h[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_31846238_31293.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
prev(_BidirectionalIterator __x, typename
^
0_0_31846238_31293.cpp:91:30: error: reference to 'prev' is ambiguous
for(int i = t; i != s; i = prev[i])
^
0_0_31846238_31293.cpp:10:29: note: candidates are: int prev [5002]
int toth, totr, f, a[N][N], prev[N], pree[N], dis[N], s, t, n, m, cnt, val[M], flow[M], to[M], head[N], nxt[M], h[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_31846238_31293.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
prev(_BidirectionalIterator __x, typename
^
0_0_31846238_31293.cpp:97:30: error: reference to 'prev' is ambiguous
for(int i = t; i != s; i = prev[i]) {
^
0_0_31846238_31293.cpp:10:29: note: candidates are: int prev [5002]
int toth, totr, f, a[N][N], prev[N], pree[N], dis[N], s, t, n, m, cnt, val[M], flow[M], to[M], head[N], nxt[M], h[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_31846238_31293.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator_base_funcs.h:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type)
prev(_BidirectionalIterator __x, typename
^
|