/in/foo.cc: In function 'int main()':
/in/foo.cc:91:21: error: reference to 'end' is ambiguous
                     end[1]=i,end[2]=j;            
                     ^
/in/foo.cc:13:5: note: candidates are: int end [301]
 int end[N];
     ^
In file included from /usr/include/c++/5/deque:65:0,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/bits/range_access.h:97:5: note:                 template<class _Tp, long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
/usr/include/c++/5/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
/usr/include/c++/5/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
In file included from /usr/include/c++/5/bits/stl_deque.h:63:0,
                 from /usr/include/c++/5/deque:64,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
/in/foo.cc:91:30: error: reference to 'end' is ambiguous
                     end[1]=i,end[2]=j;            
                              ^
/in/foo.cc:13:5: note: candidates are: int end [301]
 int end[N];
     ^
In file included from /usr/include/c++/5/deque:65:0,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/bits/range_access.h:97:5: note:                 template<class _Tp, long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
/usr/include/c++/5/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
/usr/include/c++/5/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
In file included from /usr/include/c++/5/bits/stl_deque.h:63:0,
                 from /usr/include/c++/5/deque:64,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
/in/foo.cc:97:14: error: reference to 'end' is ambiguous
         if(f[end[1]][end[2]]==f[end[1]][k]+f[k][end[2]]&&k!=end[1]&&k!=end[2])
              ^
/in/foo.cc:13:5: note: candidates are: int end [301]
 int end[N];
     ^
In file included from /usr/include/c++/5/deque:65:0,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/bits/range_access.h:97:5: note:                 template<class _Tp, long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
/usr/include/c++/5/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
/usr/include/c++/5/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
In file included from /usr/include/c++/5/bits/stl_deque.h:63:0,
                 from /usr/include/c++/5/deque:64,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
/in/foo.cc:97:22: error: reference to 'end' is ambiguous
         if(f[end[1]][end[2]]==f[end[1]][k]+f[k][end[2]]&&k!=end[1]&&k!=end[2])
                      ^
/in/foo.cc:13:5: note: candidates are: int end [301]
 int end[N];
     ^
In file included from /usr/include/c++/5/deque:65:0,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/bits/range_access.h:97:5: note:                 template<class _Tp, long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
/usr/include/c++/5/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
/usr/include/c++/5/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
In file included from /usr/include/c++/5/bits/stl_deque.h:63:0,
                 from /usr/include/c++/5/deque:64,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
/in/foo.cc:97:33: error: reference to 'end' is ambiguous
         if(f[end[1]][end[2]]==f[end[1]][k]+f[k][end[2]]&&k!=end[1]&&k!=end[2])
                                 ^
/in/foo.cc:13:5: note: candidates are: int end [301]
 int end[N];
     ^
In file included from /usr/include/c++/5/deque:65:0,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/bits/range_access.h:97:5: note:                 template<class _Tp, long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
/usr/include/c++/5/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
/usr/include/c++/5/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
In file included from /usr/include/c++/5/bits/stl_deque.h:63:0,
                 from /usr/include/c++/5/deque:64,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept
     ^
/in/foo.cc:97:49: error: reference to 'end' is ambiguous
         if(f[end[1]][end[2]]==f[end[1]][k]+f[k][end[2]]&&k!=end[1]&&k!=end[2])
                                                 ^
/in/foo.cc:13:5: note: candidates are: int end [301]
 int end[N];
     ^
In file included from /usr/include/c++/5/deque:65:0,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/bits/range_access.h:97:5: note:                 template<class _Tp, long unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm])
     end(_Tp (&__arr)[_Nm])
     ^
/usr/include/c++/5/bits/range_access.h:78:5: note:                 template<class _Container> decltype (__cont.end()) std::end(const _Container&)
     end(const _Container& __cont) -> decltype(__cont.end())
     ^
/usr/include/c++/5/bits/range_access.h:68:5: note:                 template<class _Container> decltype (__cont.end()) std::end(_Container&)
     end(_Container& __cont) -> decltype(__cont.end())
     ^
In file included from /usr/include/c++/5/bits/stl_deque.h:63:0,
                 from /usr/include/c++/5/deque:64,
                 from /usr/include/c++/5/queue:60,
                 from /in/foo.cc:2:
/usr/include/c++/5/initializer_list:99:5: note:                 template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)
     end(initializer_list<_Tp> __ils) noexcept