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View Compilation Error

0_0_15211297_26515.cpp: In function 'void ins(int)':
0_0_15211297_26515.cpp:27:14: error: reference to 'next' is ambiguous
  if (t[p].h) next[x]=t[p].h;
              ^
0_0_15211297_26515.cpp:13:19: note: candidates are: int next [210001]
 int i,j,k,n,m,len,next[210001],q[410001],w[210001],tot,p[210001];
                   ^
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_15211297_26515.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_15211297_26515.cpp: In function 'void build()':
0_0_15211297_26515.cpp:38:18: error: reference to 'next' is ambiguous
    for (k=t[j].h;next[k];k=next[k]);
                  ^
0_0_15211297_26515.cpp:13:19: note: candidates are: int next [210001]
 int i,j,k,n,m,len,next[210001],q[410001],w[210001],tot,p[210001];
                   ^
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_15211297_26515.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_15211297_26515.cpp:38:28: error: reference to 'next' is ambiguous
    for (k=t[j].h;next[k];k=next[k]);
                            ^
0_0_15211297_26515.cpp:13:19: note: candidates are: int next [210001]
 int i,j,k,n,m,len,next[210001],q[410001],w[210001],tot,p[210001];
                   ^
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_15211297_26515.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_15211297_26515.cpp:39:4: error: reference to 'next' is ambiguous
    next[k]=t[t[j].f].h;
    ^
0_0_15211297_26515.cpp:13:19: note: candidates are: int next [210001]
 int i,j,k,n,m,len,next[210001],q[410001],w[210001],tot,p[210001];
                   ^
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_15211297_26515.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_15211297_26515.cpp: In function 'void work()':
0_0_15211297_26515.cpp:55:21: error: reference to 'next' is ambiguous
   for (j=t[p].h;j;j=next[j]) v[j]=1;
                     ^
0_0_15211297_26515.cpp:13:19: note: candidates are: int next [210001]
 int i,j,k,n,m,len,next[210001],q[410001],w[210001],tot,p[210001];
                   ^
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_15211297_26515.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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