import java.util.*; public class Main { public static void main(String[] args) { // TODO Auto-generated method stub Scanner in=new Scanner(System.in); int t=in.nextInt(); while(t>0) { boolean flag=false; HashSet<Long>a=new HashSet<>(); int n=in.nextInt(); long x=in.nextInt(); for(int i=0;i<n;i++) { long b=in.nextLong(); if(a.contains(x-b)) { flag=true; break;} else { a.add(b); } } if(flag) { System.out.println("YES"); }else { System.out.println("NO"); } t--; } } } |
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