View Code of Problem 7

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