1scale = 20 2for (a=1; a<5000; a += 1) r=sqrt(a) 3r 4for (a=1; a<50000; a += 100) r=sqrt(a) 5r 6for (a=1; a<500000; a+=1000) r=sqrt(a) 7r 8for (a=1; a<5000000; a+=10000) r=sqrt(a) 9r 10quit 11