Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:34:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<G[nod].size(); i++){ ^ user.cpp: In function ‘void rez()’: user.cpp:46:18: warning: unused variable ‘vecin’ [-Wunused-variable] int maxi, i, vecin, rad, j; ^ user.cpp:46:25: warning: unused variable ‘rad’ [-Wunused-variable] int maxi, i, vecin, rad, j; ^ user.cpp:46:30: warning: unused variable ‘j’ [-Wunused-variable] int maxi, i, vecin, rad, j; ^