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View Compilation Error

0_0_19755284_9406.cpp: In function 'int newnode()':
0_0_19755284_9406.cpp:16:29: error: reference to 'next' is ambiguous
     for(int i=0; i<26; i++) next[pos][i] = 0;
                             ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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_19755284_9406.cpp: In function 'void insert(char*)':
0_0_19755284_9406.cpp:29:6: error: reference to 'next' is ambiguous
  if (next[p][k]) p=next[p][k]; //第i结点的子结点为字母k,则next[i][k的字母表序-1]表示k所在结点的编号 
      ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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_19755284_9406.cpp:29:20: error: reference to 'next' is ambiguous
  if (next[p][k]) p=next[p][k]; //第i结点的子结点为字母k,则next[i][k的字母表序-1]表示k所在结点的编号 
                    ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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_19755284_9406.cpp:30:9: error: reference to 'next' is ambiguous
  else p=next[p][k]=newnode(); 
         ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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_19755284_9406.cpp: In function 'void makenext()':
0_0_19755284_9406.cpp:49:21: error: reference to 'next' is ambiguous
             int v = next[u][i];
                     ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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_19755284_9406.cpp:51:15: error: reference to 'next' is ambiguous
               next[u][i] = next[fail[u]][i]; // why? 缺少v, 求next//转移 
               ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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_19755284_9406.cpp:51:28: error: reference to 'next' is ambiguous
               next[u][i] = next[fail[u]][i]; // why? 缺少v, 求next//转移 
                            ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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_19755284_9406.cpp:56:25: error: reference to 'next' is ambiguous
                 fail[v]=next[fail[u]][i]; // 为什么只弄了一下? 如果没有会怎么样? 求fail
                         ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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_19755284_9406.cpp: In function 'int query(char*)':
0_0_19755284_9406.cpp:68:13: error: reference to 'next' is ambiguous
         d = next[d][idx];//若文本串中不存在st[i],d=0 
             ^
0_0_19755284_9406.cpp:13:5: note: candidates are: int next [500006][26]
 int next[N][26],cnt[N],fail[N],pos=0;
     ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_19755284_9406.cpp:6:
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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