输入一个n,输出2到n的详细素数值

#include<stdio.h>

#include<algorithm>

#include<cmath>





int judge(int a)

{

int j;

for (j = 2; j <= sqrt(a); j++)

{

if (a%j == 0)

return 1;

}

return 0;

}





int main()

{

int i;

for (i = 1; i < 100; i++)

{

if (judge(i) == 0)

printf("%d", i);

}

return 0;

}