题解 | #魔法数字变换#

#include <stdio.h>

int main() {
   int n ,sum=0;
   scanf("%d",&n);
   int count1=0,count2=0;
   if(n>=0&&n<=100)
   {
    while(n)
    {
        if(n%2!=0)
        {
            n = 3*n+1;
            count1++;
        }else {
        n=n/2;
        count2++;
        }
        if(n==1)
        {
            sum =count1+count2;
            break;
        }
    }
   }
   printf("%d",sum);
    return 0;
}