作者LPH66 (圬琐)
看板puzzle
标题[中译] Puzzleup 2012 (18) Codes
时间Wed Nov 21 22:32:56 2012
题目网址:
http://www.puzzleup.com/2012/?home
http://www.puzzleup.com/2012/puzzle/?259
答题时限: 11月22日7PM-比赛结束(约12月12日)
加分时限: 11月22日7PM-11月27日6:59PM
答对可得基本分100分。答案可上传5次,每改1次答案从基本分扣20分。
另有两种加分: 1. 加分时限内答对。例:第N天答对,可加(6-N)分。
2. 题目越困难,加分越多。例:这题有n%的人答错,答对者加n分。
◆Codes
Using each of the letters A,B,C,D,E,F at most 2 times, 10-letter codes are
produced. If all of these codes are sorted in alphabetical order, what will
be the one millionth code?
使用 A,B,C,D,E,F 各至多两次组成十个字母长的编码。
若将这些编码以字母顺序排列,则第一百万个编码是什麽?
--
'Oh, Harry, don't you
see?' Hermione breathed. 'If she could have done
one thing to make
absolutely sure that every single person in this school
will read your interview, it was
banning it!'
---'Harry Potter and the order of the phoenix', P513
--
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◆ From: 180.218.108.125
※ 编辑: LPH66 来自: 180.218.108.125 (11/21 22:33)
1F:推 Django:programup... 11/21 23:02