题解 | #KiKi求质数个数#
KiKi求质数个数
https://www.nowcoder.com/practice/d3a404ee0f8d41f98bf4707035d91086
#include <stdio.h>
#include <math.h>
int main()
{
int i,j,sum=0,flu=1;
for(i=100;i<=999;i++)
{
flu=1;
for(j=2;j<=sqrt(i);j++)
{
if(i%j==0)
{
flu=0;
break;
}
}
if(flu==1)
sum++;
}
printf("%d",sum);
return 0;
}
