View Code of Problem 7

#include<stdio.h>

int main() {
	int t;
	scanf("%d", &t);
	while (t--) {
		int n;
		scanf("%d", &n);
		long long int temp[10001] = {0};
		for (long long int i = 0;i < n;i++) {
			long long int n, m;
			scanf("%lld=%lld", &n, &m);
			temp[n] = m;
			temp[m] = n;
		}

		long long int m;
		scanf("%lld", &m);
		for (long long int i = 0;i < m;i++) {
			long long int a;
			scanf("%lld", &a);
			if (temp[a] != 0)
				printf("%lld", temp[a]);
			else
				printf("UNKNOW");
			
		}
		printf("\n");
	}
}