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View Compilation Error

0_0_19949356_15581.cpp: In function 'void init()':
0_0_19949356_15581.cpp:21:20: error: reference to 'next' is ambiguous
         first[i] = next[i] = -1;
                    ^
0_0_19949356_15581.cpp:13:14: note: candidates are: int next [10000010]
 int first[L],next[L];
              ^
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_19949356_15581.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_19949356_15581.cpp:25:9: error: reference to 'next' is ambiguous
         next[i] = first[e[i].now];
         ^
0_0_19949356_15581.cpp:13:14: note: candidates are: int next [10000010]
 int first[L],next[L];
              ^
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_19949356_15581.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_19949356_15581.cpp: In function 'void SPFA(int, int)':
0_0_19949356_15581.cpp:45:40: error: reference to 'next' is ambiguous
         for(i = first[src]; i!=-1; i = next[i])
                                        ^
0_0_19949356_15581.cpp:13:14: note: candidates are: int next [10000010]
 int first[L],next[L];
              ^
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_19949356_15581.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_19949356_15581.cpp: In function 'void set_map()':
0_0_19949356_15581.cpp:65:20: error: reference to 'next' is ambiguous
         first[i] = next[i] = -1;
                    ^
0_0_19949356_15581.cpp:13:14: note: candidates are: int next [10000010]
 int first[L],next[L];
              ^
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_19949356_15581.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_19949356_15581.cpp:70:9: error: reference to 'next' is ambiguous
         next[i] = first[to];
         ^
0_0_19949356_15581.cpp:13:14: note: candidates are: int next [10000010]
 int first[L],next[L];
              ^
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_19949356_15581.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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