Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:21:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for (int i = 0; i < v[nod_curr].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:18:13: warning: unused variable 'cost_curr' [-Wunused-variable] 18 | int cost_curr = pq.top().first; | ^~~~~~~~~