MangDoiXung.java

/*
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 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package baitap;
import java.util.*;
/**
 *
 * @author khanh
 */
public class MangDoiXung {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int t=sc.nextInt();
        while(t-->0){
            int n=sc.nextInt();
            int a[]=new int[n];
            for(int i=0;i<n;i++){
                a[i]=sc.nextInt();
            }
            int cc=1;
            for(int i=0;i<n/2;i++){
                if(a[i]!=a[n-1-i]){
                    cc=0;
                    break;
                }
            }
            System.out.println(cc==1?"YES":"NO");
        }
    }
}