0_0_16532495_14935.cpp: In member function 'void costflow::clear()':
0_0_16532495_14935.cpp:22:6: error: reference to 'next' is ambiguous
cc(next);
^
0_0_16532495_14935.cpp:6:22: note: in definition of macro 'cc'
#define cc(x) memset(x,0,sizeof(x))
^
0_0_16532495_14935.cpp:9:58: note: candidates are: int next [200000]
int first[maxn],last[maxn],dis[maxn],des[maxm],len[maxm],next[maxm],vol[maxm],cop[maxm],back[maxn],backlen[maxn],opp[maxm];
^
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_16532495_14935.cpp:1:
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_16532495_14935.cpp:22:6: error: reference to 'next' is ambiguous
cc(next);
^
0_0_16532495_14935.cpp:6:33: note: in definition of macro 'cc'
#define cc(x) memset(x,0,sizeof(x))
^
0_0_16532495_14935.cpp:9:58: note: candidates are: int next [200000]
int first[maxn],last[maxn],dis[maxn],des[maxm],len[maxm],next[maxm],vol[maxm],cop[maxm],back[maxn],backlen[maxn],opp[maxm];
^
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_16532495_14935.cpp:1:
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_16532495_14935.cpp: In member function 'int costflow::getin(int, int, int, int)':
0_0_16532495_14935.cpp:34:27: error: reference to 'next' is ambiguous
if (first[c]>0) last[c]=next[last[c]]=tt;else first[c]=last[c]=tt;
^
0_0_16532495_14935.cpp:9:58: note: candidates are: int next [200000]
int first[maxn],last[maxn],dis[maxn],des[maxm],len[maxm],next[maxm],vol[maxm],cop[maxm],back[maxn],backlen[maxn],opp[maxm];
^
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_16532495_14935.cpp:1:
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_16532495_14935.cpp:36:27: error: reference to 'next' is ambiguous
if (first[d]>0) last[d]=next[last[d]]=tt;else first[d]=last[d]=tt;
^
0_0_16532495_14935.cpp:9:58: note: candidates are: int next [200000]
int first[maxn],last[maxn],dis[maxn],des[maxm],len[maxm],next[maxm],vol[maxm],cop[maxm],back[maxn],backlen[maxn],opp[maxm];
^
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_16532495_14935.cpp:1:
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_16532495_14935.cpp: In member function 'std::pair<int, int> costflow::spfa(int, int)':
0_0_16532495_14935.cpp:49:31: error: reference to 'next' is ambiguous
while ((k)&&(vol[k]==0)) k=next[k];
^
0_0_16532495_14935.cpp:9:58: note: candidates are: int next [200000]
int first[maxn],last[maxn],dis[maxn],des[maxm],len[maxm],next[maxm],vol[maxm],cop[maxm],back[maxn],backlen[maxn],opp[maxm];
^
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_16532495_14935.cpp:1:
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_16532495_14935.cpp:63:7: error: reference to 'next' is ambiguous
k=next[k];
^
0_0_16532495_14935.cpp:9:58: note: candidates are: int next [200000]
int first[maxn],last[maxn],dis[maxn],des[maxm],len[maxm],next[maxm],vol[maxm],cop[maxm],back[maxn],backlen[maxn],opp[maxm];
^
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_16532495_14935.cpp:1:
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_16532495_14935.cpp:64:32: error: reference to 'next' is ambiguous
while ((k)&&(vol[k]==0)) k=next[k];
^
0_0_16532495_14935.cpp:9:58: note: candidates are: int next [200000]
int first[maxn],last[maxn],dis[maxn],des[maxm],len[maxm],next[maxm],vol[maxm],cop[maxm],back[maxn],backlen[maxn],opp[maxm];
^
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_16532495_14935.cpp:1:
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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