#include<stdio.h>
int main()
{
int a,b;
int n,m;
int sum,count;
int i;
while(scanf("%d%d",&m,&n)!=EOF)
{
if(m>n)
{
a=n;
b=m;
}
else
{a=m;
b=n;
}
sum=0;
for(;a<=b;a++)
{
i=a;
count=0;
while(i!=1)
{
if(i%2==0)
{
count++;
i=i/2;
}
else
{
count++;
i=i*3+1;
}
}
count++;
if(sum<count)sum=count;
}
printf("%d %d %d\n",m,n,sum);
sum=0;
}
return 0;
}
转载于:https://blog.51cto.com/merry/139429