Puzzleup 2019 (11) EIGHT QUEENS SIXTEE - 拼圖
By Rae
at 2019-10-03T09:28
at 2019-10-03T09:28
Table of Contents
題目網址: http://www.puzzleup.com/2019/
http://www.puzzleup.com/2019/puzzle/?11
答題時限: 10月3日7PM-比賽結束
加分時限: 10月3日7PM-10月9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)
◆EIGHT QUEENS SIXTEEN SQUARES
Place eight queens on a 4x4 chessboard so that there are no more than
two queens in any row, column, or diagonal (2, 3, or 4 squares) lines.
How many different ways can this be done?
Note: Symmetrical solutions will be counted separately.
將八個皇后棋子,放置於一個4x4的棋盤上,使得每行、每列、每條斜線(兩格、
三格、四格)上的皇后數量不得多於二個。問有幾種不同的作法?
註:對稱解視為不同解計算。
--
http://www.puzzleup.com/2019/puzzle/?11
答題時限: 10月3日7PM-比賽結束
加分時限: 10月3日7PM-10月9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)
◆EIGHT QUEENS SIXTEEN SQUARES
Place eight queens on a 4x4 chessboard so that there are no more than
two queens in any row, column, or diagonal (2, 3, or 4 squares) lines.
How many different ways can this be done?
Note: Symmetrical solutions will be counted separately.
將八個皇后棋子,放置於一個4x4的棋盤上,使得每行、每列、每條斜線(兩格、
三格、四格)上的皇后數量不得多於二個。問有幾種不同的作法?
註:對稱解視為不同解計算。
--
Tags:
拼圖
All Comments
By Rae
at 2019-10-06T02:07
at 2019-10-06T02:07
By Hazel
at 2019-10-06T20:46
at 2019-10-06T20:46
By Olive
at 2019-10-11T02:48
at 2019-10-11T02:48
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