Compilare: main.cpp: In function 'void dijkstra()': main.cpp:52:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (int i = 0; i < graf[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:45:13: warning: unused variable 'c' [-Wunused-variable] 45 | int c = pq.top().first; | ^