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View Compilation Error

0_0_21587210_5624.cpp: In function 'void searchb(int, int, int, int)':
0_0_21587210_5624.cpp:69:33: error: reference to 'next' is ambiguous
     while(k&&s[i][j]!=s[i][k])k=next[k];
                                 ^
0_0_21587210_5624.cpp:11:118: note: candidates are: int next [21]
 int T,i,j,k,l,n,m,now,t,p,tmp,q[maxm],f[2][maxm][maxm][64],ans,cnta,cntb,u,v,vv,x,y,c[maxm][maxm],mm,ll,mo=998244353,next[21];
                                                                                                                      ^
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_21587210_5624.cpp:2:
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_21587210_5624.cpp:71:5: error: reference to 'next' is ambiguous
     next[j+1]=k;
     ^
0_0_21587210_5624.cpp:11:118: note: candidates are: int next [21]
 int T,i,j,k,l,n,m,now,t,p,tmp,q[maxm],f[2][maxm][maxm][64],ans,cnta,cntb,u,v,vv,x,y,c[maxm][maxm],mm,ll,mo=998244353,next[21];
                                                                                                                      ^
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_21587210_5624.cpp:2:
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_21587210_5624.cpp:76:31: error: reference to 'next' is ambiguous
     while(k&&ss[j]!=s[i][k])k=next[k];
                               ^
0_0_21587210_5624.cpp:11:118: note: candidates are: int next [21]
 int T,i,j,k,l,n,m,now,t,p,tmp,q[maxm],f[2][maxm][maxm][64],ans,cnta,cntb,u,v,vv,x,y,c[maxm][maxm],mm,ll,mo=998244353,next[21];
                                                                                                                      ^
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_21587210_5624.cpp:2:
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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