"the maximum cycle length for integers between and including i and j"
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 不就是模拟么？难道不对？
> 
> #include <stdio.h>
> 
> int main()
>  {long count,max;
>   long i,t,a,b;
>   while (scanf("%ld %ld",&a,&b)==2)
>    {max=0; 
>     for (i=a;i<=b;i++)
>      {t=i; count=0; 
>       for (;;)
>        {count++;
>         if (t==1) break;
>         if (t%2==1) t=3*t+1;
>         else t=t/2;
>        }   
>       if (max<count) max=count;
>      }
>     printf("%ld %ld %ld\n",a,b,max);
>    }
>   return 1;
>  }

• Re:考虑a>b的情况! (149) scutacm3 2003-10-14 22:12:22
  • Re:考虑a>b的情况! (27) netghost 2004-12-14 22:09:33