Online JudgeProblem SetAuthorsOnline ContestsUser
Web Board
Home Page
F.A.Qs
Statistical Charts
Problems
Submit Problem
Online Status
Prob.ID:
Register
Update your info
Authors ranklist
 Current Contest
Past Contests
Scheduled Contests
Award Contest
User ID:
Password:
  Register

这句话是什么意思？？

Posted by scaneeling at 2009-02-11 16:22:32 on Problem 3126 
Note that the digit 1 which got pasted over in step 2 can not be reused in the last step – a new 1 must be purchased.
什么意思，是说上一步变换用到了1下一步就不能再用1了么，刚开始我这样考虑了，可是WA，去掉不考虑却能AC，这话到底什么意思？不明白。。。
Followed by:
Post your reply here:
User ID:
Password:
Title:

Content:

Home Page   Go Back  To top

All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator