求100-200以内的素数
#include <stdio.h>#include <math.h>
void main()
{
int n,k,i,m=0;
for(n=101;n<=200;n=n+2)
{
k=sqrt(n);
for(i=2;i<=k;i++)
if(n%i==0) break;
if(i>=k+1)
{
printf("%d\n",n);
m+=1;
}
if(m%10==0)
printf("\n");
}
printf("\n");
}
2016-05-11 17:54
程序代码:#include <stdio.h>
#include <math.h>
void main()
{
int n, k, i, m = 0;
for (n = 101; n <= 200; n = n + 2)
{
k = sqrt(n);
for (i = 2; i <= k; i++)
if (n%i == 0) break;
if (i >= k + 1)
{
printf("%d ", n);
m += 1;
}
if (m % 10 == 0)
printf("\n");
}
printf("\n");
}
2016-05-11 17:57