Compilare: main.cpp: In member function 'void Graf::APM()': main.cpp:120:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 120 | for (int i = 0; i < lista_muchii.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Dijkstra()': main.cpp:187:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 187 | for(int i = 0; i < lista_ad[curr].size();i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Bellman_Ford()': main.cpp:237:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 237 | for(int i = 0; i < lista_ad[curr].size();i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~