题解 | #魔法数字变换#

#include <stdio.h>
int main()
{
    int n=0;
    int count=0;
    scanf("%d",&n);
    do
    {
      if(n%2==0)
      {
      n=n/2;
      count++;
      }
      else
      {
      n=n*3+1;
      count++;
      }
    }while(n/2);
    printf("%d",count);
    return 0;
}