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WA on #1
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ydkxj楼主2024/4/4 18:29

RT

#include<bits/stdc++.h>
using namespace std;
int n;
bool o[2000005];
int sum[2000005];
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	cin>>n;
    o[0]=o[1]=1;
	for(int i=2;i<=2000003;i++){
		if(o[i])continue;
		for(int j=2;j*i<=2000003;j++){
			o[i*j]=1;
		}
	}
	for(int i=1;i<=200002;i++)
		sum[i]=sum[i-1]+(!o[i]);
	for(int i=1;i<=n;i++)
	{
		int x,ans=0;
		cin>>x;
		for(int j=0;j<=30;j++)
			if(x&(1<<j))ans+=sum[(1<<(j+1))-1]-sum[(1<<j)-1];
		cout<<ans<<"\n";
	}
	return 0;
}
2024/4/4 18:29
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