[C++知识库]猜数字小游戏

#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void menu()
{
	printf("*******猜猜数字吧！*******\n");
	printf("********1开始游戏*********\n");
	printf("********0退出游戏*********\n");
}
void game()
{
	int guess = 0;
	int ret = rand() % 100 + 1;//%100求余数
	while (1)
	{
	
		printf("猜猜数字吧：");
		scanf("%d", &guess);
		
		if (guess > ret)
		{
			printf("猜大了！");
		}
		else if (guess < ret)
		{
			printf("猜小了！");
		}
		else
		{
			printf("恭喜你猜对了!");
			break;
		}
	}
}

int main()
{
	int input = 0;
	srand((unsigned int)time(NULL));//调用的随机数 必须在循环外面
	do
	{
		menu();
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			game();
			break;
		case 0:
			printf("退出游戏！");
			break;
		default:
			break;
		}
	} while (input);
	return 0;
}