Compilare: main.cpp: In function 'int GetMinimumCost(int)': main.cpp:25:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < Muchii[nod].size(); ++j) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:80:41: warning: 'lanterna' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << minim << " " << lanterna << "\n"; ^~~~