View Code of Problem 133

#include "stdio.h"
#include "string.h"
#include "math.h"

int main()
{
    int m;
    scanf("%d",&m);
    while(m--)
    {
        int a,b,ss[20];
        scanf("%d %d",&a,&b);
        for(int i=0;i<a;i++)
        {
            scanf("%d",&ss[i]);
        }
        for(int i=0;i<a;i++)
        {
            /*
            if(ss[i]>b) continue;
            else if(b-ss[i]<0) continue;*/
            int tmp=b-ss[i];
            for(int j=i+1;j<a;j++)
                if(tmp==ss[j]){
                    printf("YES\n");
                    return 0;
                }
        }
        printf("NO\n");
    }
}