Compilare: main.cpp: In function 'void dijkstra()': main.cpp:38:22: 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<v[node].size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp:36:13: warning: unused variable 'cost' [-Wunused-variable] 36 | int cost = pq.top().first; | ^~~~