Puzzleup 2017 (2) Painted Grid - 拼圖
By Regina
at 2017-08-17T03:01
at 2017-08-17T03:01
Table of Contents
題目網址: http://www.puzzleup.com/2017/
http://www.puzzleup.com/2017/puzzle/?2
答題時限: 8月17日7PM-比賽結束(約12月27日)
加分時限: 8月17日7PM-8月22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)
◆PAINTED GRID
Using red, green and blue colors, paint every cell of a 4x4 grid such that
every color is used at least once and cells with the same color do not share
an edge. How many different color patterns can be painted?
For a 2x2 grid, the answer would be 12.
使用紅綠藍三色,將一個 4x4 的格子塗色,
使得每種顏色至少使用一次且同色格不共邊。一共有多少種塗法?
若問 2x2 的格子則答案為 12。
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All Comments
By Tom
at 2017-08-20T18:28
at 2017-08-20T18:28
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