Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:26:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int i = 0; i < g[node].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:20:13: warning: unused variable 'cost' [-Wunused-variable] 20 | int cost = pq.top().first, node = pq.top().second; | ^~~~