HDU 1032

#include<stdio.h>int num(int n){    int sum;    sum=1;    while(n!=1)    {        if(n%2)            n=3*n+1;        else            n/=2;        sum++;    }    return sum;}int main(){    int i,j,t,a,b,max;    while(scanf("%d%d",&i,&j)!=EOF)    {        a=i;        b=j;        if(i>j)        {            t=i;            i=j;            j=t;        }        max=num(i++);        for(;i<=j;i++)            if(max<(t=num(i)))                max=t;        printf("%d %d %d\n",a,b,max);    }}