Puzzleup 2022 (8) FIVE-LETTER CODE - 拼圖
By Gary
at 2022-12-08T09:47
at 2022-12-08T09:47
Table of Contents
題目網址: https://www.puzzleup.com/2022/
https://www.puzzleup.com/2022/puzzle/?8
答題時限: 12月8日7PM-比賽結束(約12月29日)
加分時限: 12月8日7PM-12月13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)
◆FIVE-LETTER CODE
A five-letter code will be created using the letters A, B, C, D and E.
If any two codes are required to be different in at least two places,
how many codes can be generated at most?
Some code examples:
AAAAA, AABAB, EDEBC, EEABC, …
使用字母A, B, C, D, E組出長度五字母的編碼。任兩編碼之間至少要有兩處不同,
問最多能組出幾個編碼?
編碼範例:
AAAAA, AABAB, EDEBC, EEABC, ...
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Tags:
拼圖
All Comments
By Mason
at 2022-12-11T08:13
at 2022-12-11T08:13
By Hedda
at 2022-12-14T06:38
at 2022-12-14T06:38
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