Compilare: main.cpp: In member function 'void Graf::cuplaj_maxim_initializare()': main.cpp:75:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int i = 0; i < vizitat.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:90:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(int i = 0; i < cuplaj_maxim.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~