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View Compilation Error

0_0_31084865_10700.cpp:16:42: error: wrong number of template arguments (0, should be 1)
 struct LineContainer : multiset<Line,less<>> {
                                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:48:0,
                 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++/istream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_31084865_10700.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_function.h:367:12: error: provided for 'template<class _Tp> struct std::less'
     struct less : public binary_function<_Tp, _Tp, bool>
            ^
0_0_31084865_10700.cpp:16:43: error: template argument 2 is invalid
 struct LineContainer : multiset<Line,less<>> {
                                           ^
0_0_31084865_10700.cpp:20:13: error: 'iterator' is not a type
  bool isect(iterator x,iterator y) {
             ^
0_0_31084865_10700.cpp:20:24: error: 'iterator' is not a type
  bool isect(iterator x,iterator y) {
                        ^
0_0_31084865_10700.cpp: In member function 'bool LineContainer::isect(int, int)':
0_0_31084865_10700.cpp:21:14: error: no matching function for call to 'end()'
   if (y==end()){ x->p = inf; return false; }
              ^
0_0_31084865_10700.cpp:21:14: note: candidates are:
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++/istream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_31084865_10700.cpp:1:
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())
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/range_access.h:68:5: note:   template argument deduction/substitution failed:
0_0_31084865_10700.cpp:21:14: note:   candidate expects 1 argument, 0 provided
   if (y==end()){ x->p = inf; return false; }
              ^
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++/istream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_31084865_10700.cpp:1:
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:78:5: note:   template argument deduction/substitution failed:
0_0_31084865_10700.cpp:21:14: note:   candidate expects 1 argument, 0 provided
   if (y==end()){ x->p = inf; return false; }
              ^
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++/istream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_31084865_10700.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:97:5: note:   template argument deduction/substitution failed:
0_0_31084865_10700.cpp:21:14: note:   candidate expects 1 argument, 0 provided
   if (y==end()){ x->p = inf; return false; }
              ^
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++/istream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_31084865_10700.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
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/initializer_list:99:5: note:   template argument deduction/substitution failed:
0_0_31084865_10700.cpp:21:14: note:   candidate expects 1 argument, 0 provided
   if (y==end()){ x->p = inf; return false; }
              ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94:0,
                 from 0_0_31084865_10700.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:1216:5: note: template<class _Tp> _Tp* std::end(std::valarray<_Tp>&)
     end(valarray<_Tp>& __va)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:1216:5: note:   template argument deduction/substitution failed:
0_0_31084865_10700.cpp:21:14: note:   candidate expects 1 argument, 0 provided
   if (y==end()){ x->p = inf; return false; }
              ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:94:0,
                 from 0_0_31084865_10700.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:1226:5: note: template<class _Tp> const _Tp* std::end(const std::valarray<_Tp>&)
     end(const valarray<_Tp>& __va)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/valarray:1226:5: note:   template argument deduction/substitution failed:
0_0_31084865_10700.cpp:21:14: note:   candidate expects 1 argument, 0 provided
   if (y==end()){ x->p = inf; return false; }
              ^
0_0_31084865_10700.cpp:21:19: error: base operand of '->' is not a pointer
   if (y==end()){ x->p = inf; return false; }
                   ^
0_0_31084865_10700.cpp:22:8: error: base operand of '->' is not a pointer
   if (x->k == y->k)x->p = x->m >y->m ? inf : -inf;
        ^
0_0_31084865_10700.cpp:22:16: error: base operand of '->' is not a pointer
   if (x->k == y->k)x->p = x->m >y->m ? inf : -inf;
                ^
0_0_31084865_10700.cpp:22:21: error: base operand of '->' is not a pointer
   if (x->k == y->k)x->p = x->m >y->m ? inf : -inf;
                     ^
0_0_31084865_10700.cpp:22:28: error: base operand of '->' is not a pointer
   if (x->k == y->k)x->p = x->m >y->m ? inf : -inf;
                            ^
0_0_31084865_10700.cpp:22:34: error: base operand of '->' is not a pointer
   if (x->k == y->k)x->p = x->m >y->m ? inf : -inf;
                                  ^
0_0_31084865_10700.cpp:


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