Compilare: main.cpp: In function 'void DFS(int)': main.cpp:25:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[nod].size();j++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void dijkstra(int)': main.cpp:37:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[st].size();i++) ~^~~~~~~~~~~~~ main.cpp:64:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[aux.s.f].size();j++) ~^~~~~~~~~~~~~~~~~~