#include<stdio.h> int main(){ int t; scanf("%d",&t); while(t--){ int n,x,a[100000],i,j,flag=0; scanf("%d %d",&n,&x); for(i=0;i<n;i++){ scanf("%d",&a[i]); } for(i=0;i<n-1;i++){ for(j=i+1;j<n;j++){ if(a[i]+a[j]==x){ flag=1; break; } } } if(flag) printf("YES\n"); else printf("NO\n"); } return 0; } |
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