View Code of Problem 7

#include <stdio.h>
int main(void)
{
	int i,b,c,v[1000],a[100000],m,n,t,x;
	scanf("%d",&t);
	getchar(); 
	while(t--)
	{
		for(i=0;i<100000;i++)
		{
			a[i]=-1;
		}
		scanf("%d",&n);
		for(i=0;i<n;i++)
		{
			scanf("%d=%d",&b,&c);
			a[b]=c;
			a[c]=b;
		}
		scanf("%d",&m);
		for(i=0;i<m;i++)
		{
			scanf("%d",&x);
			if(a[x]!=-1)
				printf("%d\n",a[x]);
			else
				printf("UNKNOW\n");
		}
		printf("\n");
	}
}

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