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