Compilare: user.cpp: In function ‘int parcurge(int, int)’: user.cpp:82:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<vecini[nod].size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:97:19: warning: unused variable ‘x’ [-Wunused-variable] int n,m,i,a,b,x,y,type,k=0; ^ user.cpp:97:21: warning: unused variable ‘y’ [-Wunused-variable] int n,m,i,a,b,x,y,type,k=0; ^ user.cpp:97:23: warning: unused variable ‘type’ [-Wunused-variable] int n,m,i,a,b,x,y,type,k=0; ^