算法入門——簡單模擬

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