View Code of Problem 133

#include<iostream>
using namespace std;
int main(){
	int x;
	cin>>x; 
	int n,sum,a[100001]={};
	while(x--){
		cin>>n>>sum;
		for(int i=0;i<n;i++){
			cin>>a[i];
		}
		int flag=0; 
		for(int i=0;i<n-1;i++){
			for(int j=i+1;j<n;j++){
				if(a[i]+a[j]==sum){
					cout<<"YES"<<endl;
					flag=1;
					break;
				}
			}
			if(flag==1)break;
		}
		if(flag==0)cout<<"NO"<<endl;
	}
	return 0;
}