0_0_13853057_27087.cpp: In function 'bool bfs()':
0_0_13853057_27087.cpp:47:5: error: reference to 'prev' is ambiguous
prev[edge[e].to] = cur;
^
0_0_13853057_27087.cpp:20:5: note: candidates are: int prev [10009]
int prev[maxh], pree[maxh], d[maxh];
^
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_13853057_27087.cpp:3:
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_13853057_27087.cpp: In function 'int augment()':
0_0_13853057_27087.cpp:61:7: error: reference to 'prev' is ambiguous
u = prev[u];
^
0_0_13853057_27087.cpp:20:5: note: candidates are: int prev [10009]
int prev[maxh], pree[maxh], d[maxh];
^
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_13853057_27087.cpp:3:
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_13853057_27087.cpp:67:7: error: reference to 'prev' is ambiguous
u = prev[u];
^
0_0_13853057_27087.cpp:20:5: note: candidates are: int prev [10009]
int prev[maxh], pree[maxh], d[maxh];
^
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_13853057_27087.cpp:3:
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
^
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