Compilare: user.c: In function ‘main’: user.c:32:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&n); ^ user.c:34:14: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d" ,&x,&y); ^ user.c:13:11: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] cod[0]=nod; ^ user.c:29:21: note: ‘poz’ was declared here int i,n,max,x,y,poz; ^