求助

#include<bits/stdc++.h>
using namespace std;
long long next(long long n){
	int cnt=0;
	while(n){
		n/=2;
		cnt++;
	}
	n=(1<<cnt);
	return n;
}
int main(){
	int t;
	cin>>t;
	while(t--){
	long long n;
	cin>>n;
	if(n==1||n==2){
		cout<<1<<endl;
	}
	else if((n&(n-1))==0)cout<<n<<endl;
	else cout<<next(n)<<endl;
	}