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