猜数字游戏

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

void menu()
{
	printf("********************\n");
	printf("****** 1.PLAY ******\n");
	printf("****** 0.EXIT ******\n");
	printf("********************\n");
}

void game()
{
	int ret = rand()%100 + 1;

	while (1)
	{
		int guess = 0;

		printf("请输入数字：");
		scanf("%d", &guess);

		if (guess > ret)
			printf("猜大了！\n");
		else if (guess < ret)
			printf("猜小了！\n");
		else
		{
			printf("猜对啦！\n");
			break;
		}
	}
}

int main()
{
	srand((unsigned int)time(NULL));
	int input = 0;
	do
	{
		menu();
		printf("请选择：");
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			game();
			break;
		case 0:
			printf("退出游戏\n");
			break;
		default:
			printf("选择错误\n");
			break;
		}
	} while (input);
	return 0;
}