Compilare: main.cpp: In function 'void Dijkstra(int)': main.cpp:36:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < l[Nod].size(); ++i) { ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:98:31: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << dmin << " " << ans; ^