Puzzleup 2015 (7) Word Guess - 拼圖
By George
at 2015-09-10T08:39
at 2015-09-10T08:39
Table of Contents
題目網址: http://www.puzzleup.com/2015/
http://www.puzzleup.com/2015/puzzle/?7
答題時限: 9月10日7PM-比賽結束(約12月16日)
加分時限: 9月10日7PM-9月15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。
比賽期間內可隨時上傳答案,加分時限內答對第n天加(6-n)分
另依題目的難易有額外加分(如有80%的人這題答錯,答對者加80分)
◆WORD GUESS
Your friend will pick a 4-letter word and you will make guesses in order to
find it.
- A word can contain only the letters A, B, C, and D, and they can be used
more than once.
- In your guess if at least three letters are in their correct places you
will win a prize.
What is the minimum number of guesses in order to guarantee to win the prize?
你的朋友選取一個四字母單詞,你來猜它。
- 這個單詞只包含 A, B, C, D 四種字母, 每個字母可以使用多於一次。
- 若你的猜測有至少三個字母在正確的位置則你獲得獎品。
試問至少要多少次猜測才能保證獲得獎品?
--
LPH [acronym]
= Let Program Heal us
-- New Uncyclopedian Dictionary, Minmei Publishing Co.
--
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