如果按上述的算法,用C来作应该是下面程序!
main()
{
int i, n;
printf("please input the data:\n");
scanf("%d",&n);
for(i = 2; i < n; i++)
{
if(n % i == 0)
{
printf("this is not a prime number.\n");
break;
}
}
if(i == n)
printf("this is a prime number.\n");
getch();
}