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 random_num = rand() % 100 + 1;
int input = 0;
while (1)
{
printf("请输入猜的数字>:");
scanf("%d", &input);
if (input > random_num)
{
printf("猜大了\n");
}
else if (input < random_num)
{
printf("猜小了\n");
}
else
{
printf("恭喜你，猜对了\n");
break;
}
}
}

int main()
{
int input = 0;
srand((unsigned)time(NULL));
do
{
menu();
printf("请选择>:");
scanf("%d", &input);
switch (input)
{
case 1:
game();
break;
case 0:
break;
default:
printf("选择错误,请重新输入!\n");
break;
}
} while (input);
system("pause");
return 0;
}