Compilare: user.c: In function ‘main’: user.c:11:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&a); ^ user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&b); ^ user.c:13:21: warning: ‘contor’ may be used uninitialized in this function [-Wmaybe-uninitialized] int min,nrdiv=0,contor; ^