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View Compilation Error

0_0_19833155_12954.cpp: In function 'void bfs(int)':
0_0_19833155_12954.cpp:27:23: error: reference to 'next' is ambiguous
         for (int i=ne;next[i];) {
                       ^
0_0_19833155_12954.cpp:12:18: note: candidates are: int next [2000000]
 int tail[200000],next[2000000],sora[2000000];
                  ^
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_19833155_12954.cpp:4:
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_19833155_12954.cpp:28:15: error: reference to 'next' is ambiguous
             i=next[i],na=sora[i];
               ^
0_0_19833155_12954.cpp:12:18: note: candidates are: int next [2000000]
 int tail[200000],next[2000000],sora[2000000];
                  ^
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_19833155_12954.cpp:4:
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_19833155_12954.cpp:41:23: error: reference to 'next' is ambiguous
         for (int i=ne;next[i];) {
                       ^
0_0_19833155_12954.cpp:12:18: note: candidates are: int next [2000000]
 int tail[200000],next[2000000],sora[2000000];
                  ^
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_19833155_12954.cpp:4:
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_19833155_12954.cpp:42:15: error: reference to 'next' is ambiguous
             i=next[i],na=sora[i];
               ^
0_0_19833155_12954.cpp:12:18: note: candidates are: int next [2000000]
 int tail[200000],next[2000000],sora[2000000];
                  ^
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_19833155_12954.cpp:4:
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_19833155_12954.cpp: In function 'void bfs2(int)':
0_0_19833155_12954.cpp:56:9: error: reference to 'hash' is ambiguous
         hash[b[ne]]++;
         ^
0_0_19833155_12954.cpp:18:25: note: candidates are: std::map<long long int, int> hash
 map < long long , int > hash;
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_19833155_12954.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_19833155_12954.cpp:57:23: error: reference to 'next' is ambiguous
         for (int i=ne;next[i];) {
                       ^
0_0_19833155_12954.cpp:12:18: note: candidates are: int next [2000000]
 int tail[200000],next[2000000],sora[2000000];
                  ^
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_19833155_12954.cpp:4:
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_19833155_12954.cpp:58:15: error: reference to 'next' is ambiguous
             i=next[i],na=sora[i];
               ^
0_0_19833155_12954.cpp:12:18: note: candidates are: int next [2000000]
 int tail[200000],next[2000000],sora[2000000];
                  ^
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_19833155_12954.cpp:4:
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_19833155_12954.cpp: In function 'void mysoul(int)':
0_0_19833155_12954.cpp:84:10: error: reference to 'hash' is ambiguous
     rr=0,hash.clear();
          ^
0_0_19833155_12954.cpp:18:25: note: candidates are: std::map<long long int, int> hash
 map < long long , int > hash;
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_19833155_12954.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_19833155_12954.cpp:85:21: error: reference to 'next' is ambiguous
     for (int i=s,ne;next[i];) {
                     ^
0_0_19833155_12954.cpp:12:18: note: candidates are: int next [2000000]
 int tail[200000],next[2000000],sora[2000000];
                  ^
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_19833155_12954.cpp:4:
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_19833155_12954.cpp:86:11: error: reference to 'next' is ambiguous
         i=next[i],ne=sora[i];
           ^
0_0_19833155_12954.cpp:12:18: note: candidates are: int next [2000000]
 int tail[200000],next[2000000],sora[2000000];
                  ^
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_19833155_12954.cpp:4:
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_19833155_12954.cpp:97:10: error: reference to 'hash' is ambiguous
     ans+=hash[tmp]*2;
          ^
0_0_19833155_12954.cpp:18:25: note: candidates are: std::map<long long int, int> hash
 map < long long , int > hash;
                         ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_19833155_12954.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_19833155_12954.cpp:103:59: error: reference to 'hash' is ambiguous
         for (ed=op;bj[ts[ed]]==bj[ts[op]] && ed<=rr;ed++) hash[b[ts[ed]]]--;
                                                           ^
0_0_19833155_12954.cpp:18:25: note: candidates are: std::map<long long int, int> hash
 map < long lon


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