#include<stdio.h> #include<string.h> #define Max 1000000 int main() { int t,n,X,i,j,a[Max]; scanf("%d",&t); while(t--) { int 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==1) printf("YES\n"); else printf("NO\n"); } return 0; } |
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