View Code of Problem 7

#include <stdio.h>
int main()
{
	int t;
	int n;
	int i,j;
	int m;
	int equal[10][2];
	int checkNum[10];
	int flag;
	//输入测试数据组数t
	scanf("%d", &t);
	while (t--)
	{
		//接下来要输入几行等式
		scanf("%d", &n);
		for (i = 0; i < n; i++)
		{
			//输入等式
			scanf("%d=%d", &equal[i][0], &equal[i][1]);
		}
		//输入查询个数
		scanf("%d", &m);
		for (i = 0; i < m; i++)
		{	
			//输入查询数放入数组
			scanf("%d", &checkNum[i]);
		}
		for (i = 0; i < m; i++)
		{	//设标志位用于检测是否UNKNOW
			flag = 0;
			for (j = 0; j < n; j++)
			{
				if (checkNum[i] == equal[j][0])
				{
					printf("%d\n", equal[j][1]);
					flag = 1;
					break;
				}
				if (checkNum[i] == equal[j][1])
				{
					printf("%d\n", equal[j][0]);
					flag = 1;
					break;
				}
			}
			if (flag == 0)
			{
				printf("UNKNOW\n");
			}
		}
		if (t >= 1)
		{
			printf("\n");
		}
	}
	return 0;
}

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