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计算每个位置的nim 从右边开始数的分别是 0 1 2 4 7 8 11 。。。。。。（根据nim定义计算，这里预处理O(n^3) 然后计算出来总的nim值=（每堆的石头数%2）*该堆的nim值

Posted by TheBeet at 2006-11-15 13:43:08
In Reply To:回学校的车上无聊，推了个I题的结论，请现场AC了的大牛指教.... Posted by:RoBa at 2006-11-12 19:25:40

> 跟除最后一堆外的奇数堆个数模4有关...?

Followed by:

哦？ (0) alpc02 2006-11-15 15:28:38
- sigh... (0) frkstyc 2006-11-15 15:30:51
  - 不懂 (0) alpc02 2006-11-15 15:37:15
漂亮，拜服 (0) RoBa 2006-11-15 16:58:08

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