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Re:能不能用排列组合的方法解?

Posted by y07yangruilong at 2007-08-26 10:51:59 on Problem 1664
In Reply To:能不能用排列组合的方法解? Posted by:cui715715 at 2007-08-23 20:26:48
> 问题1:
> 
> 这道题能不能用排列组合的方法解??
> 实质就是把n个苹果分成m份~可以含零的情况~
> 用a(m+1,n-1)的数学方法解~
> 然后再除于m(因为每种情况重新算了m次)
> 
> 就是最终答案~
> 
> 问题2:
> 
> 把一个正整数拆分的题,是不是也可以像这样解决~
> 例如37,看成37个1,然后分成n份~
> 而且是不是用2进制表示也行??
> 
> 谢谢大牛们的解答~~(本人菜鸟,刚学1个月)
> 

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