0_0_17781914_14074.cpp: In function 'bool findPath()':
0_0_17781914_14074.cpp:57:5: error: reference to 'prev' is ambiguous
prev[e[i].v] = u;
^
0_0_17781914_14074.cpp:42:5: note: candidates are: int prev [510]
int prev[maxn+10] , pree[maxn+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++/algorithm:61,
from 0_0_17781914_14074.cpp:5:
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_17781914_14074.cpp: In function 'int augment()':
0_0_17781914_14074.cpp:79:7: error: reference to 'prev' is ambiguous
u = prev[u];
^
0_0_17781914_14074.cpp:42:5: note: candidates are: int prev [510]
int prev[maxn+10] , pree[maxn+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++/algorithm:61,
from 0_0_17781914_14074.cpp:5:
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_17781914_14074.cpp:85:7: error: reference to 'prev' is ambiguous
u = prev[u];
^
0_0_17781914_14074.cpp:42:5: note: candidates are: int prev [510]
int prev[maxn+10] , pree[maxn+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++/algorithm:61,
from 0_0_17781914_14074.cpp:5:
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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