100-The 3n + 1 problem

題目:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=36

import java.util.*;
import java.lang.*;

public class Main{
   public static void main(String[] args){

   Scanner cin = new Scanner(System.in);

     while( cin.hasNext() ){

             int i = cin.nextInt();
             int j = cin.nextInt();
             int k , max=0 ,count , a=i , b=j , c=0;
          if(a>b){
              c=a;
              a=b;
              b=c;
             }
        
          for(k=a ; k<=b ; k++){
             int temp = k;
             count=1;

             while(temp!=1){

                   if(temp%2!=0)
                       temp=3*temp+1;
                   else
                       temp=temp/2;

               count++;
               
                     }

            if(count>max)
               max=count;
        
               }    
         System.out.println(i+" "+j+" "+max);
          }
     }
}