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View Compilation Error

0_0_17207854_18240.cpp: In function 'int main()':
0_0_17207854_18240.cpp:79:37: error: reference to 'next' is ambiguous
    while(dis[i]+r[i]>=dis[j]&&j<=n) next[i]=j,j++;
                                     ^
0_0_17207854_18240.cpp:57:49: note: candidates are: ll next [200100]
 ll dis[maxn],a[maxn],r[maxn],b[maxn],last[maxn],next[maxn];
                                                 ^
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_17207854_18240.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_17207854_18240.cpp:91:9: error: reference to 'next' is ambiguous
      dp[next[i]][j]=min(dp[next[i]][j],now+a[i]);
         ^
0_0_17207854_18240.cpp:57:49: note: candidates are: ll next [200100]
 ll dis[maxn],a[maxn],r[maxn],b[maxn],last[maxn],next[maxn];
                                                 ^
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_17207854_18240.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_17207854_18240.cpp:91:28: error: reference to 'next' is ambiguous
      dp[next[i]][j]=min(dp[next[i]][j],now+a[i]);
                            ^
0_0_17207854_18240.cpp:57:49: note: candidates are: ll next [200100]
 ll dis[maxn],a[maxn],r[maxn],b[maxn],last[maxn],next[maxn];
                                                 ^
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_17207854_18240.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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