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View Compilation Error

0_0_31809488_6378.cpp: In function 'int findch(int)':
0_0_31809488_6378.cpp:13:8: error: reference to 'next' is ambiguous
     if(next[r] == r) return  r;
        ^
0_0_31809488_6378.cpp:9:5: note: candidates are: int next [1010]
 int next[MAXN], f[MAXN], a[MAXN], cnt[MAXN], fa[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++/algorithm:61,
                 from 0_0_31809488_6378.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_31809488_6378.cpp:14:19: error: reference to 'next' is ambiguous
     return findch(next[r]);
                   ^
0_0_31809488_6378.cpp:9:5: note: candidates are: int next [1010]
 int next[MAXN], f[MAXN], a[MAXN], cnt[MAXN], fa[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++/algorithm:61,
                 from 0_0_31809488_6378.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_31809488_6378.cpp: In function 'int main()':
0_0_31809488_6378.cpp:34:28: error: reference to 'next' is ambiguous
             fa[i] = f[i] = next[i] = i;
                            ^
0_0_31809488_6378.cpp:9:5: note: candidates are: int next [1010]
 int next[MAXN], f[MAXN], a[MAXN], cnt[MAXN], fa[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++/algorithm:61,
                 from 0_0_31809488_6378.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_31809488_6378.cpp:56:13: error: reference to 'next' is ambiguous
             next[u] = v;
             ^
0_0_31809488_6378.cpp:9:5: note: candidates are: int next [1010]
 int next[MAXN], f[MAXN], a[MAXN], cnt[MAXN], fa[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++/algorithm:61,
                 from 0_0_31809488_6378.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_31809488_6378.cpp:64:20: error: reference to 'next' is ambiguous
         while(r != next[r])
                    ^
0_0_31809488_6378.cpp:9:5: note: candidates are: int next [1010]
 int next[MAXN], f[MAXN], a[MAXN], cnt[MAXN], fa[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++/algorithm:61,
                 from 0_0_31809488_6378.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_31809488_6378.cpp:68:17: error: reference to 'next' is ambiguous
             r = next[r];
                 ^
0_0_31809488_6378.cpp:9:5: note: candidates are: int next [1010]
 int next[MAXN], f[MAXN], a[MAXN], cnt[MAXN], fa[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++/algorithm:61,
                 from 0_0_31809488_6378.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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