View Code of Problem 7

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

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

		}
		scanf_s("%d", &m);
		for (int i = 0; i < m; i++) {
			int flag = 0;
			int x;
			scanf_s("%d", &x);
			for (int j = 0; j < n; j++) {
				if (x == a[j][0]) {
					printf("%d\n", a[j][1]);
					flag = 1;
					break;
				}
				if (x == a[j][1]) {
					printf("%d\n", a[j][0]);
					flag = 1;
					break;
				}
			}
			if (flag == 0) {
				std::cout << "UNKNOW\n";
			}
		}
		
	}return 0;
}
/*
Main.cc: In function 'int main()':
Main.cc:8:18: error: 'scanf_s' was not declared in this scope
  scanf_s("%d", &T);
                  ^
Main.cc:9:18: warning: unused variable 'b' [-Wunused-variable]
  int a[1000][2], b[1000];
                  ^
*/