Compilare: main.cpp: In member function 'int intersectie::check()': main.cpp:19:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<intersectie*>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (int i = 0; i < lista.size(); i++){ | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (int i = 0; i < result.size(); i++) { | ~~^~~~~~~~~~~~~~~