View Code of Problem 133

#include<stdio.h>
int main(){
	int t;
	scanf("%d",&t);
	while(t--){
		int i,j,flag=0;
		long a[100000],n,x;
		scanf("%ld %ld",&n,&x);
		for(i=0;i<n;i++){
			scanf("%ld",&a[i]);
		} 
		for(i=0;i<n-1;i++){
			for(j=i+1;j<n;j++){
				if(a[i]+a[j]==x){
					flag=1;
					break;
				}
			}
			if(flag)
				break;
		}
		if(flag)
			printf("YES\n");
		else
			printf("NO\n");	
	}
	return 0;
}