题解 | #魔法数字变换#
魔法数字变换
https://www.nowcoder.com/practice/db41a6ce80a646aa9a5eb6252ac2df76
#include <stdio.h>
int main() {
int a = 0;
scanf("%d",&a);
int flag = 0;
while (a != 1)
{
if (a%2 == 0)
{
a = a / 2;
}
else
{
a = a * 3 +1;
}
flag++;
}
printf("%d",flag);
return 0;
}