#include<iostream> using namespace std; int main(){ int t; cin>>t; while(t--){ int n; int X; cin>>n>>X; int num[n]; for(int i=0;i<n;++i){ cin>>num[i]; } bool flag=false; for(int i=0;i<n;++i){ for(int j=i;j<n;++j){ if(num[i]+num[j]==X){ flag=true; break; } } } if(flag){ cout<<"YES"<<endl; } else{ cout<<"NO"<<endl; } } return 0; } |
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