#include<bits/stdc++.h> using namespace std; int main() { int t; cin>>t; while (t--){ int n,x; cin>>n>>x; int m[100010]; for (int i = 0; i < n; ++i) { cin>>m[i]; } int flag=0; for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { if (m[i]+m[j]==x&&i!=j) { flag=1; break; } } if (flag==1) { cout<<"YES"<<endl;break; } else { cout<<"NO"<<endl;break; } } } return 0; } |
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