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