View Code of Problem 7

#include<stdio.h>
int main()
{
	int T1,T2,T3;
	int a[100000],b[100000];
	int number;
	int i;
	scanf("%d",&T1);
	while(T1--)
	{
		scanf("%d",&T2);
		for(i=0;i<T2;i++)
		{
			scanf("%d=%d",&a[i],&b[i]);
		}
		scanf("%d",&T3);
		while(T3--)
		{
			scanf("%d",&number);
			for(i=0;i<T2;)
			{
				if(number==a[i])
				{
					printf("%d\n",b[i]);
					break;
				}
				else if(number==b[i])
				{
					printf("%d\n",a[i]);
					break;
				}
				else
					i++;
			}
			if(i==T2)printf("UNKNOW\n");	
		}
		printf("\n");
	}
	return 0;
}