Compilare: main.cpp: In function 'void dfs(int)': main.cpp:29:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g[nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void dijkstra1(int)': main.cpp:48:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g[nod_curr].size(); i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dijsktra2()': main.cpp:73:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g_nou[nod_curr].size(); i++) ~^~~~~~~~~~~~~~~~~~~~~~~