[中譯] Puzzleup 2013 (17) Order Of The Cards
看板puzzle (益智遊戲 - 數獨,拼圖,推理,西洋棋)作者LPH66 (f0VMRgEBA)時間12年前 (2013/11/14 05:04)推噓11(11推 0噓 16→)留言27則, 5人參與討論串1/1
題目網址: http://www.puzzleup.com/2013/
http://www.puzzleup.com/2013/puzzle/?258
答題時限: 11月14日7PM-比賽結束(約12月11日)
加分時限: 11月14日7PM-11月18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)
◆Order Of The Cards
You and your friend are told that there are N cards, each are numbered from 1
to N. You will randomly select 6 cards. Using the “perfect coding” system
which you had set with your friend previously, you will select one card and
transfer the other five to your friend. By just examining the order of these
numbered five cards, your friend will be able to know the card you’ve
selected.
What can be the maximum value for N?
你和你朋友被告知這裡有 N 張卡片,編號由 1 到 N。你隨機選取其中六張卡。
使用一種你和你朋友事先約定的「完美編碼」方法,
你從中選擇一張,並將其餘五張給你朋友;
你朋友只要檢視這五張卡及其順序,就能夠知道你選的那一張是什麼。
試問能達到如此的 N 最大多少?
--
実琴:「河野!你真的就這樣被物質慾望給吸引過去了嗎?!」
亨:「只要穿著女裝擺出親切的樣子,所有必要花費就能全免,似乎一點都不壞啊。」
実琴:「難道你沒有男人的尊嚴了嗎?!」
亨:(斷然道)「沒有。在節衣縮食且生活吃緊的學生面前,沒有那種東西。」
--プリンセス・プリンセス 第二話
--
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◆ From: 114.41.34.213
→
11/14 05:05, , 1F
11/14 05:05, 1F
推
11/14 13:55, , 2F
11/14 13:55, 2F
→
11/14 13:57, , 3F
11/14 13:57, 3F
→
11/14 13:59, , 4F
11/14 13:59, 4F
推
11/14 14:04, , 5F
11/14 14:04, 5F
推
11/15 10:27, , 6F
11/15 10:27, 6F
→
11/15 11:37, , 7F
11/15 11:37, 7F
→
11/15 11:37, , 8F
11/15 11:37, 8F
推
11/15 12:05, , 9F
11/15 12:05, 9F
推
11/15 13:21, , 10F
11/15 13:21, 10F
→
11/15 13:21, , 11F
11/15 13:21, 11F
→
11/15 22:07, , 12F
11/15 22:07, 12F
→
11/15 22:09, , 13F
11/15 22:09, 13F
→
11/15 22:13, , 14F
11/15 22:13, 14F
→
11/16 10:52, , 15F
11/16 10:52, 15F
→
11/16 22:58, , 16F
11/16 22:58, 16F
→
11/16 22:58, , 17F
11/16 22:58, 17F
推
11/17 00:19, , 18F
11/17 00:19, 18F
推
11/17 19:52, , 19F
11/17 19:52, 19F
→
11/17 19:53, , 20F
11/17 19:53, 20F
推
11/17 20:03, , 21F
11/17 20:03, 21F
推
11/17 21:29, , 22F
11/17 21:29, 22F
→
11/17 21:30, , 23F
11/17 21:30, 23F
推
11/17 21:35, , 24F
11/17 21:35, 24F
→
11/17 21:36, , 25F
11/17 21:36, 25F
→
11/18 00:17, , 26F
11/18 00:17, 26F
推
11/18 09:38, , 27F
11/18 09:38, 27F
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