Online Judge | Problem Set | Authors | Online Contests | User | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest |
懂了,不要理我In Reply To:不懂。。。。 Posted by:Loger at 2004-05-15 23:19:13 > 对于4个硬币 设为a,b,c,d > 0为正面 ,1为反面 > a0,b0,c,0,d0 > 作一次变化后得 > d1,b1,a0,,c0 (应该没错吧) > 对于b硬币,它的位置不变 > 那要得到b0不就要经过偶数次变换,那为什么答案是11 ???? > 不懂。。。。。。。。。。。。。。 Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator