Compilare: main.cpp: In member function 'void graf::fct_hamilt()': main.cpp:115:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for(j=0; j < v_h[i].size();j++) | ~~^~~~~~~~~~~~~~~ main.cpp:123:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 123 | for(rez_hamilt=INF, i=0; i<vv_hamilt.size(); i++) //verificam exist unei muchii de la ult la 0 | ~^~~~~~~~~~~~~~~~~