哦, you have already done that.

回答: 当 n > 2 and n = 奇数时,来回 2 次TKC2010-02-13 21:38:40

nice piece of work!

所有跟帖: 

回复:哦, you have already done that. -cowgg- 给 cowgg 发送悄悄话 (479 bytes) () 02/18/2010 postreply 17:34:29

请您先登陆,再发跟帖!