Compilare: user.c: In function ‘main’: user.c:10:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &nr[i]); ^ user.c:33:18: warning: ‘umin’ may be used uninitialized in this function [-Wmaybe-uninitialized] lim=lim-(umin-pmin+1); ^ user.c:33:18: warning: ‘pmin’ may be used uninitialized in this function [-Wmaybe-uninitialized]