View Code of Problem 7

#include<stdio.h>
int main()
{
	int t;
	scanf("%d",&t);
	printf("\n");
	while(t--)
	{
		int n,m;
		scanf("%d",&n);
		int a[n][2];
		int i,j;
		for(i=0;i<n;i++)
		   scanf("%d=%d",&a[i][0],&a[i][1]);
		scanf("%d",&m);
		int flag;
		int b[m];
		for(i=0;i<m;i++)
		   scanf("%d",&b[i]);
	    for(i=0;i<m;i++)
	    {
	    	flag=0;
	    	for(j=0;j<n;j++)
	    	{
	    		if(a[j][0]==b[i])
	    		{
	    			printf("%d\n",a[j][1]);
	    			flag=1;
	    			break;
				}
				if(a[j][1]==b[i])
				{
					printf("%d\n",a[j][0]);
					flag=1;
					break;
				}
			}
			if(flag==0)
			  printf("UNKNOW\n");
		}
		printf("\n");
	}
} 

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