Compilare: main.cpp: In member function 'void Graf::afis()': main.cpp:45:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int j=0; j<adc[i].size(); j++){ | ~^~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::bfs(int, int)': main.cpp:63:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i=0; i<adc[nod].size(); i++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::ghizi(int)': main.cpp:113:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for(int i=0; i<solutie.size(); i++){ | ~^~~~~~~~~~~~~~~