Compilare: main.cpp: In member function 'int Graf::dfs(int)': main.cpp:38:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(int i=0; i<adc[nod].size(); i++){ | ~^~~~~~~~~~~~~~~~ main.cpp:40:17: warning: unused variable 'cost' [-Wunused-variable] 40 | int cost = adc[nod][i].first; | ^~~~ main.cpp: In member function 'void Graf::Dijkstra(int, int)': main.cpp:64:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i=0; i<adc[nd].size(); i++){ | ~^~~~~~~~~~~~~~~