Learn to language ninth day

To is Monday，though The weather is warm than yesterday，it is cold for me . i have a good news，it is my salary raise two hundred RMB at monthly.

猜数字游戏
void menu()
{
  printf("******猜  数   字    小   游  戏******\n");
  printf("*****1.paly                 2.exit****\n");
  printf("**************************************\n");
};
void game()
{
  int guess = 0;
  int number = 0;
  number = rand() % 100 + 1;
  while (1)
  {
    scanf("%d", &guess);
    printf("请输入你猜的数字：");
    if (guess > number)
      printf("猜大了\n");
    else if (guess < number)
      printf("猜小了\n");
    else
    {
      printf("恭喜你,猜对了");
      break;
    }
  }

};
int main()
{
  srand((unsigned int)time(NULL));
  int input = 0;
  do
  {
    menu();
    printf("请输入 1 or 2：");
    scanf("%d", &input);
    if (1 == input)
    {
      printf("开始游戏\n");
      game();
    }
    else if (2 == input)
    {
      printf("退出游戏\n");
      break;
    }
    else
    {
      printf("输入错误\n");
    }
  } while (input);
  return 0;
}