题解 | #魔法数字变换#

#include<stdio.h>
int main()
{
    unsigned int n=0;
    int counter1=0,counter2=0;
    scanf("%d",&n);
    while(n!=1)
    {
        if(n%2==0)
        {
            n/=2;
            counter1++;
        }
        else
        {
            n=n*3+1;
            counter2++;
        }
    }
    printf("%d",counter1+counter2);
    return 0;
}