Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:19:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0; i<g[node].size(); i++){ | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int j=0; j<g[i].size(); j++){ | ~^~~~~~~~~~~~