Compilare: main.cpp: In function 'void gaseste_muchia_extra(int, int)': main.cpp:20:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<lista_adiacenta[nod_curent].size();++i) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:37:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<lista_adiacenta[nod].size();++i) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~