Eroare de compilare: user.cpp: In function 'int intersectie(punct, punct, punct, punct)': user.cpp:43: warning: unused variable 'ymin1' user.cpp:44: warning: unused variable 'ymin2' /usr/include/c++/4.2/bits/stl_algo.h: In function 'const _Tp& std::__median(const _Tp&, const _Tp&, const _Tp&) [with _Tp = segment]': /usr/include/c++/4.2/bits/stl_algo.h:2758: instantiated from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<segment*, std::vector<segment, std::allocator<segment> > >, _Size = int]' /usr/include/c++/4.2/bits/stl_algo.h:2829: instantiated from 'void std::sort(_RandomAccessIterator, _RandomAccessIterator) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<segment*, std::vector<segment, std::allocator<segment> > >]' user.cpp:104: instantiated from here /usr/include/c++/4.2/bits/stl_algo.h:91: error: no match for 'operator<' in '__a < __b' user.cpp:123: note: candidates are: bool operator<(punct&, poligon&) user.cpp:33: note: bool operator<(segment&, segment&) user.cpp:21: note: bool operator<(punct, punct) /usr/include/c++/4.2/bits/stl_algo.h:92: error: no match for 'operator<' in '__b < __c' user.cpp:123: note: candidates are: bool operator<(punct&, poligon&) user.cpp:33: note: bool operator<(segment&, segment&) user.cpp:21: note: bool operator<(punct, punct) /usr/include/c++/4.2/bits/stl_algo.h:94: error: no match for 'operator<' in '__a < __c' user.cpp:123: note: candidates are: bool operator<(punct&, poligon&) user.cpp:33: note: bool operator<(segment&, segment&) user.cpp:21: note: bool operator<(punct, punct) /usr/include/c++/4.2/bits/stl_algo.h:98: error: no match for 'operator<' in '__a < __c' user.cpp:123: note: candidates are: bool operator<(punct&, poligon&) user.cpp:33: note: bool operator<(segment&, segment&) user.cpp:21: note: bool operator<(punct, punct) /usr/include/c++/4.2/bits/stl_algo.h:100: error: no match for 'operator<' in '__b < __c' user.cpp:123: note: candidates are: bool operator<(punct&, poligon&) user.cpp:33: note: bool operator<(segment&, segment&) user.cpp:21: note: bool operator<(punct, punct)