[C++知识库]c语言实现猜数字游戏

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
void game()
{
	//随机生成一个数字
	int ret = 0;
	int guess = 0;
	ret = rand() % 100+1;
	//printf("%d\n", ret);
	//猜数字
	while (1)
	{
		printf("猜数字：>");
		scanf("%d", &guess);
		if (guess < ret)
		{
			printf("猜小了\n");
		}
		else
			if (guess > ret)
			{
				printf("猜大了\n");
			}
			else
			{
				printf("恭喜您猜对了\n");
				break;
			}
	}
}

int main()
{
	int tg = 0;
	srand((unsigned)time(NULL));
	do
	{
		printf("******************************\n");
		printf("*****      游戏菜单      *****\n");
		printf("***** 开始：1    退出：0 *****\n");
		printf("******************************\n");
		scanf("%d", &tg);
		switch (tg)
		{
		case 1:		printf("猜字游戏开始！\n");
			game();
			break;
		case 0:     printf("游戏退出\n");
			break;
		default:	printf("您输入错误\n");
			break;

		}
	} 
	while (1);
	system("pause");
	return 0;

}