Compilare: main.cpp: In member function 'void graf::fct_hamilt()': main.cpp:113:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for(j=0; j < v_h[i].size(); j++) | ~~^~~~~~~~~~~~~~~ main.cpp:121:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for(rez_hamilt = INF, i=0; i<vv_hamilt.size(); i++) //verificam exist unei muchii de la ult la 0 | ~^~~~~~~~~~~~~~~~~