#include <stdlib.h>
#include <time.h>
#include<stdio.h>
void menu()
{
printf("********************************\n");
printf("******* 1. play *******\n");
printf("******* 0. exit *******\n");
printf("********************************\n");
}
void game()
{
//RAND_MAX-32767
//1.生成随机数
//讲解rand函数
int ret = rand()%100+1;
int num = 0;
//2.猜数字
while(1)
{
printf("请猜数字:>");
scanf("%d", &num);
if(num == ret)
{
printf("恭喜你,猜对了\n");
break;
}
else if(num > ret)
{
printf("猜大了\n");
}
else
{
printf("猜小了\n")
}
}
}
int main()
{
int input = 0;
//讲解srand函数
srand((unsigned int)time(NULL));
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;
}