0_0_16176672_32384.cpp: In function 'void add(int, int)':
0_0_16176672_32384.cpp:16:2: error: reference to 'next' is ambiguous
next[++tot]=last[o]; last[o]=tot; to[tot]=p;
^
0_0_16176672_32384.cpp:7:9: note: candidates are: int next [200010]
int tot,next[N*2],last[N],to[N*2],t[N*4][M],D[N*4],st[N*4],ans[M],d[M][M];
^
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_16176672_32384.cpp:3:
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_16176672_32384.cpp: In function 'void build()':
0_0_16176672_32384.cpp:64:26: error: reference to 'next' is ambiguous
for (int i=last[k];i;i=next[i]) {
^
0_0_16176672_32384.cpp:7:9: note: candidates are: int next [200010]
int tot,next[N*2],last[N],to[N*2],t[N*4][M],D[N*4],st[N*4],ans[M],d[M][M];
^
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_16176672_32384.cpp:3:
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_16176672_32384.cpp: In function 'void dfs(int, int)':
0_0_16176672_32384.cpp:77:25: error: reference to 'next' is ambiguous
for (int i=last[o];i;i=next[i]) {
^
0_0_16176672_32384.cpp:7:9: note: candidates are: int next [200010]
int tot,next[N*2],last[N],to[N*2],t[N*4][M],D[N*4],st[N*4],ans[M],d[M][M];
^
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_16176672_32384.cpp:3:
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_16176672_32384.cpp:83:25: error: reference to 'next' is ambiguous
for (int i=last[o];i;i=next[i]) {
^
0_0_16176672_32384.cpp:7:9: note: candidates are: int next [200010]
int tot,next[N*2],last[N],to[N*2],t[N*4][M],D[N*4],st[N*4],ans[M],d[M][M];
^
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_16176672_32384.cpp:3:
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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