Compilare: main.cpp: In function 'void Dijkstra(int)': main.cpp:37:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for( int i = 0; i < Ad[nod].size(); ++i ){ | ~~^~~~~~~~~~~~~~~~ main.cpp:30:13: warning: unused variable 'cost' [-Wunused-variable] 30 | int cost = H.top().first; | ^~~~