View Code of Problem 133

#include<stdio.h>


int main(){
	int t;
	scanf("%d",&t);
	while(t>0){
		int n,X,i,j,flag=0;
		scanf("%d %d",&n,&X);
		int a[n];
		for(i=0;i<n;i++){
			scanf("%d",&a[i]);
		}
		for(i=0;i<n-1;i++){
			for(j=i+1;j<n;j++){
				if(a[i]+a[j]==X)
				flag=1;
			}
		}
		if(flag==1) printf("YES\n");
		else printf("NO\n");
		t--;
	}
	printf("\n");
	return 0;
}