View Code of Problem 133

#include <iostream>
#include <cstdio>
using namespace std;
int main(){
    int N;
    cin>>N;
    while(N--){
        int n,X,a[999],k=0;
        cin>>n>>X;
        for(int i=0;i<n;i++){
            cin>>a[i];
        }
        for(int i=0;i<n;i++){
            for(int j=i;j<n;j++){
                if(X==a[i]+a[j]){
                    k=1;
                }
            }
            if(k==1)
                break;
        }
        if(k==0)
            cout<<"NO"<<endl;
        else
            cout<<"YES"<<endl;
    }
    return 0;
}