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View Compilation Error

0_0_30449197_27770.cpp: In function 'void dfs(int, int)':
0_0_30449197_27770.cpp:14:6: error: reference to 'min' is ambiguous
   if(min>flag)
      ^
0_0_30449197_27770.cpp:6:6: note: candidates are: long int min
 long min=9999;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39:0,
                 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_30449197_27770.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:240:5: note:                 template<class _Tp, class _Compare> const _Tp& std::min(const _Tp&, const _Tp&, _Compare)
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:194:5: note:                 template<class _Tp> const _Tp& std::min(const _Tp&, const _Tp&)
     min(const _Tp& __a, const _Tp& __b)
     ^
0_0_30449197_27770.cpp:15:3: error: reference to 'min' is ambiguous
   min=flag;
   ^
0_0_30449197_27770.cpp:6:6: note: candidates are: long int min
 long min=9999;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39:0,
                 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_30449197_27770.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:240:5: note:                 template<class _Tp, class _Compare> const _Tp& std::min(const _Tp&, const _Tp&, _Compare)
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:194:5: note:                 template<class _Tp> const _Tp& std::min(const _Tp&, const _Tp&)
     min(const _Tp& __a, const _Tp& __b)
     ^
0_0_30449197_27770.cpp: In function 'int main()':
0_0_30449197_27770.cpp:32:30: error: 'memset' was not declared in this scope
  memset(visit,0,sizeof(visit));
                              ^
0_0_30449197_27770.cpp:43:9: error: reference to 'min' is ambiguous
   cout<<min<<endl;
         ^
0_0_30449197_27770.cpp:6:6: note: candidates are: long int min
 long min=9999;
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39:0,
                 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_30449197_27770.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:240:5: note:                 template<class _Tp, class _Compare> const _Tp& std::min(const _Tp&, const _Tp&, _Compare)
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:194:5: note:                 template<class _Tp> const _Tp& std::min(const _Tp&, const _Tp&)
     min(const _Tp& __a, const _Tp& __b)
     ^


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