线性素数筛

#include<iostream>
#include<cstring>
#include<cstdio>
#include<string>
#include<queue>
#include<vector>
#include<algorithm>
using namespace std;
bool a[10000001];
int n,m;
int tmp;
int main()
{
	scanf("%d%d",&n,&m);
	a[1]=1;
	for(int i=2;i<=n;++i)
	{
		if(a[i])continue;
		for(int j=2;j*i<=n;++j)
			a[j*i]=1;
	}
	for(int i=1;i<=m;++i)
	{
		scanf("%d",&tmp);
		if(!a[tmp])printf("Yes\n");
		else printf("No\n");
	}
    return 0;
}