PuzzleUp 2010 (15) Number Pairs - 拼圖
![Olive avatar](/img/beaver.jpg)
By Olive
at 2010-10-21T01:37
at 2010-10-21T01:37
Table of Contents
首頁:http://www.puzzleup.com/2010/
時限:2010/10/21(四)19:00~10/27(三)18:59
答案可上傳5次,但每改1次扣20分(基本分為100分)
在比賽期間內可隨時回答,但只有在時限內回答者有額外加分
◆Number Pairs
We have a number that is written by using numerals exactly twice. The number
of digits between each pair is different.
What is the possible maximum value for this number?
Example: 988797 is such a number (There are 3 digits between two 9's, zero
digits between two 8's, and one digit between two 7's).
我們有一個數,用到的每個數字都用了兩次。每一對相同數字之間的數字個數都不同。
問此數最大是多少?
例: 988797 即是如此的數字 (兩個 9 之間有三個數字,兩個 8 之間有零個數字,
兩個 7 之間有一個數字)
--
這和挑剔數列有點像....
(挑剔數列 http://science.ntsec.edu.tw/ezfiles/4/1004/attach/68/92127.pdf )
話說回來這題有點 ProgramUp 的感覺 @_@
--
"LPH" is for "Let Program Heal us"....
--
時限:2010/10/21(四)19:00~10/27(三)18:59
答案可上傳5次,但每改1次扣20分(基本分為100分)
在比賽期間內可隨時回答,但只有在時限內回答者有額外加分
◆Number Pairs
We have a number that is written by using numerals exactly twice. The number
of digits between each pair is different.
What is the possible maximum value for this number?
Example: 988797 is such a number (There are 3 digits between two 9's, zero
digits between two 8's, and one digit between two 7's).
我們有一個數,用到的每個數字都用了兩次。每一對相同數字之間的數字個數都不同。
問此數最大是多少?
例: 988797 即是如此的數字 (兩個 9 之間有三個數字,兩個 8 之間有零個數字,
兩個 7 之間有一個數字)
--
這和挑剔數列有點像....
(挑剔數列 http://science.ntsec.edu.tw/ezfiles/4/1004/attach/68/92127.pdf )
話說回來這題有點 ProgramUp 的感覺 @_@
--
"LPH" is for "Let Program Heal us"....
--
Tags:
拼圖
All Comments
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