#include <stdio.h>

unsigned long getl(int n)
{
	unsigned long result=0;
	unsigned long r=n;
	while(r>1)
	{
		if(r%2==0)
		{
			r/=2;
			result++;
			continue;
		}
		if(r%2==1)
		{
			r=r*3+1;
			result++;
			continue;
		}
	}
	return(result);
}

void main()
{
	int i,j,k;
	int m,n;
	unsigned long max=0,temp;
	while(scanf("%d %d",&i,&j)!=EOF)
	{
		max=0;
		m=i>j?j:i;
		n=i>j?i:j;
		for(k=m;k<=n;k++)
		{
			temp=getl(k);
			if(temp>max)
				max=temp;
		}
		printf("%d %d %ld\n",i,j,max+1);
	}
}

• Re:用我这个试试吧 (625) whus200532590183 2006-12-24 19:24:25
• Re:用我这个试试吧 (36) hldyxh 2008-08-01 16:25:47