The 3n + 1 problem

//#define LOCAL
#include<cstdio>
#include<cstring>
#include<algorithm>
int const MAX_N=10050;
int count[MAX_N];  
int fun(int x)  
{  
    int sum=1;
    while(x>1)
    {
        if(x%2) x=x*3+1;
        else x=x/2;
        sum++;
    }
    return sum;
}  
int main()
{
    #ifdef LOCAL
    freopen("271.in","r",stdin);
    freopen("271.out","w",stdout);
    #endif
       memset(count,0,sizeof(count));
       int i,m,n,maxx,mm,nn;
       for(i=1;i<MAX_N;i++)
       {
           count[i]=fun(i);
       }
       while(~scanf("%d%d",&m,&n))
       {
          maxx=0;
          mm=std::max(m,n);
          nn=std::min(m,n);
       for(i=nn;i<=mm;i++)
       {
               if(count[i]>maxx)
               {
                   maxx=count[i];
               }    
       }        
       printf("%d %d %d\n",m,n,maxx);
       }
    return 0;
}