Puzzleup 2022 (2) L SHAPE - 拼圖
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By Mason
at 2022-11-04T10:42
at 2022-11-04T10:42
Table of Contents
題目網址: https://www.puzzleup.com/2022/
https://www.puzzleup.com/2022/puzzle/?2
答題時限: 10月27日7PM-比賽結束(約12月29日)
加分時限: 10月27日7PM-11月1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)
◆L SHAPE
If the two legs of an "L" shape are not the same length, let's call it a
nonregular "L". How many different nonregular L's can be formed using the
squares of an 8x8 chessboard? If the problem was asked for a 3x3 board,
the answer would be 16.
"L"形的兩隻腳長短不一樣時,我們稱作非正規"L"形。
問8x8的棋盤上可以形成多少種不同的非正規"L"形?
若是問3x3的棋盤,則答案為16。
https://www.puzzleup.com/2022/img/puzzle/2022/02s.jpg
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