Compilare: user.c: In function ‘main’: user.c:8:28: warning: unused variable ‘primeste’ [-Wunused-variable] int i,j=1,n,m,x,y,da=0,primeste=0,nr=0; ^ user.c:8:23: warning: unused variable ‘da’ [-Wunused-variable] int i,j=1,n,m,x,y,da=0,primeste=0,nr=0; ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&m); ^ user.c:11:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&x,&y); ^