View Code of Problem 7

#include<stdio.h>
#include<string.h>
int a[1000000];
int main()
{
	int T;
	scanf("%d",&T);
	int first=1;
	while(T>0)
	{
		int n;
		scanf("%d",&n);
		int i;
		int c,d;
		memset(a,0,sizeof(a));
		for(i=0;i<n;i++)
		{
			scanf("%d=%d",&c,&d);
			a[c]=d;a[d]=c;
		}
		int m;
		scanf("%d",&m);
		int x[10000];
		for(i=0;i<m;i++)
			scanf("%d",&x[i]);
		if(first) first=0;
		else printf("\n");
		for(i=0;i<m;i++)
		{
           if(a[x[i]]!=0)
		   printf("%d\n",a[x[i]]);
		   else printf("UNKNOW\n");
		}
		T--;
	}
	return 0;
}

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