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