View Code of Problem 7

#include<stdio.h>
int main()
{
	int t,n,m,i,a[100],b[100],d[100];
//	char str[100];
	scanf("%d",&t);
	int h,j;
	while(t--)
	{
		scanf("%d",&n);
		for(i=0;i<n;i++)
		{
			scanf("%d=%d",&a[i],&b[i]);
		}
		scanf("%d",&m);
		for(h=0;h<m;h++)
		{
			scanf("%d",&d[h]);}
		 for(h=0;h<m;h++){
		 
		   for( j=0;j<n;j++)
			{
				if(d[h]==a[j])
			   	{
				   printf("%d\n",b[j]);
				  break;
				}
			    else if(d[h]==b[j])
				      {
					  printf("%d\n",a[j]);
				       break;
					   }
			   	else if (j==(n-1))
				   {
		    printf("UNKNOW\n");
					}
				    //break
				}
				
			}

 } 
 return 0;
}

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