View Code of Problem 7

#include <stdio.h>
#include <stdlib.h>

int main()
{
	int T;
	
	int a[1000][2],b[1000];
	int i,j;
	scanf("%d", &T);
	getchar();
	while (T--) {
		int n, m;
		scanf("%d", &n);
		for (i = 0; i < n; i++) {
			scanf("%d=%d", &a[i][0], &a[i][1]);

		}
		scanf("%d", &m);
		for (i = 0; i < m; i++) {
			scanf("%d", &b[i]);
		}
		for (i = 0; i < m; i++) {
			int flag = 0;
			for (j = 0; j < n; j++) {
				if (b[i] == a[j][0]) {
					printf("%d\n", a[j][1]);
					flag = 1;
					break;
				}
				if (b[i] == a[j][1]) {
					printf("%d\n", a[j][0]);
					flag = 1;
					break;
				}
			}
			if (flag == 0) {
				printf("UNKNOW\n");
			}
		}
		printf("\n");
	}
	return 0;
}