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View Compilation Error

0_0_13773059_17451.cpp: In function 'void dfs(int)':
0_0_13773059_17451.cpp:34:2: error: reference to 'end' is ambiguous
  end[x]=cnt;
  ^
0_0_13773059_17451.cpp:18:18: note: candidates are: int end [50005]
 int start[MAX_N],end[MAX_N];
                  ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:42:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 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_13773059_17451.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:51:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 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_13773059_17451.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:97:5: note:                 template<class _Tp, long long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
0_0_13773059_17451.cpp: In function 'int main()':
0_0_13773059_17451.cpp:110:10: error: reference to 'end' is ambiguous
   memset(end,-1,sizeof(end));
          ^
0_0_13773059_17451.cpp:18:18: note: candidates are: int end [50005]
 int start[MAX_N],end[MAX_N];
                  ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:42:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 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_13773059_17451.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:51:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 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_13773059_17451.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:97:5: note:                 template<class _Tp, long long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
0_0_13773059_17451.cpp:110:24: error: reference to 'end' is ambiguous
   memset(end,-1,sizeof(end));
                        ^
0_0_13773059_17451.cpp:18:18: note: candidates are: int end [50005]
 int start[MAX_N],end[MAX_N];
                  ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:42:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 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_13773059_17451.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:51:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 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_13773059_17451.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:97:5: note:                 template<class _Tp, long long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
0_0_13773059_17451.cpp:146:23: error: reference to 'end' is ambiguous
     Update(1,start[a],end[a],b);
                       ^
0_0_13773059_17451.cpp:18:18: note: candidates are: int end [50005]
 int start[MAX_N],end[MAX_N];
                  ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:42:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 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_13773059_17451.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:51:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 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_13773059_17451.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:97:5: note:                 template<class _Tp, long long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:68:5: 


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