#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int wangquan(int n)
{
int i;
for(i=2;i<=sqrt(n);i++)
if(n%(i*i)==0)
return 1;
return 0;
}
int main()
{
int n=1;
while(n!=0)
{
scanf("%d",&n);
if(n<=0||n>=10000)
continue;
if(wangquan(n))
printf("Yes\n");
else
printf("No\n");
}
return 0;
}
转载于:https://www.cnblogs.com/abc-24990/p/4257459.html