题解 | #魔法数字变换#

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