Compilare: user.cpp: In function ‘bool Dijkstra(int)’: user.cpp:76:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Graf[nod_curent].Ad.size(); ++i) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘void Do()’: user.cpp:112:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Rez.size(); ++i) ~^~~~~~~~~~~ user.cpp:121:34: warning: ‘min_watt’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<min_dist<<' '<<min_watt<<'\n'; ^~~~