Puzzleup 2012 (18) Codes - 拼圖
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By Leila
at 2012-11-21T22:32
at 2012-11-21T22:32
Table of Contents
題目網址: http://www.puzzleup.com/2012/?home
http://www.puzzleup.com/2012/puzzle/?259
答題時限: 11月22日7PM-比賽結束(約12月12日)
加分時限: 11月22日7PM-11月27日6:59PM
答對可得基本分100分。答案可上傳5次,每改1次答案從基本分扣20分。
另有兩種加分: 1. 加分時限內答對。例:第N天答對,可加(6-N)分。
2. 題目越困難,加分越多。例:這題有n%的人答錯,答對者加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 各至多兩次組成十個字母長的編碼。
若將這些編碼以字母順序排列,則第一百萬個編碼是什麼?
--
'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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拼圖
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By Elvira
at 2012-11-24T00:20
at 2012-11-24T00:20
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