C++ 代码

#include<iostream>
using namespace std;
#include <cstdio>
int main()
{
    int n;
    scanf("%d",&n);
    while(n--){
        int i,x;
        int s=0;
        scanf("%d",&x);
        for(i=2; i<=x/i; i++){
            if(x%i==0){
                s++;
            }
        }
        if(s!=0) printf("%d is not prime\n",x);
        else printf("%d is prime\n",x);
    }
    return 0;
}