Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:23:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for (int i = 0; i < v[x].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:66:37: warning: 'imn' may be used uninitialized in this function [-Wmaybe-uninitialized] 66 | fout << imn*(mn!=oo) << " "; | ^~~