Compilare: user.c: In function ‘main’: user.c:12:17: warning: unused variable ‘j’ [-Wunused-variable] int n,d,k,i,j,a,b,max,s=0; ^ user.c:16:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d%d",&n,&d,&k); ^ user.c:27:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d",&dame[i][0],&dame[i][1]); ^ user.c:32:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d",&a,&b); ^