Compilare: user.cpp: In function ‘void read()’: user.cpp:21:26: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘short unsigned int*’ [-Wformat=] scanf("%d %d\n",&x,&y); ^ user.cpp:21:26: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short unsigned int*’ [-Wformat=] user.cpp: In function ‘void solve()’: user.cpp:120:19: warning: suggest parentheses around assignment used as truth value [-Wparentheses] tata[j]=viz[j]=grad[j]=subarb[j]=dist[j]=heap[j]=nod[j]=0; ^ user.cpp:101:29: warning: variable ‘nr’ set but not used [-Wunused-but-set-variable] { unsigned short int i,j,it,nr,x,y,r; ^ user.cpp:123:7: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] tata[i]=0; viz[i]=1; Q.push(i); ^