#include <iostream> #include <stdio.h> using namespace std; int main(){ int t,i; int max; int m,b,sum,k; int a[100000]; scanf("%d",&t); while(t--){ max=0; k=0; for(i=0;i<100000;i++) a[i]=0; scanf("%d%d",&m,&sum); for(i=0;i<m;i++){ scanf("%d",&b); a[b]=1; if(b>max) max=b; } for(i=1;i<=max;i++){ if(a[i]==1 && a[sum-i]==1){ k=1;break; } } printf(k==1?"YES\n":"NO\n"); } } /* Main.c:1:20: fatal error: iostream: No such file or directory #include <iostream> ^ compilation terminated. */ |
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