PuzzleUp 2009 (23) Neighborhood Value - 拼圖
By Belly
at 2009-12-23T20:09
at 2009-12-23T20:09
Table of Contents
首頁:http://www.puzzleup.com/2009/?home
時限:2009/12/24(四)19:00~12/29(二)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
◆Neighborhood Value
令「鄰里值」這個名詞的意義為:一個數字當中,其中兩個位元的數字若為連續數字,則
計算該兩數之間所夾的數字數量,再求數量與該兩數的乘積。然後再尋找下一對連續數字
做同樣的運算,直到窮盡為止。而鄰里值,即為這些乘積的總和。
例如:132的鄰里值為2。
1與2的中間有1個數字→1x2x1=2
2與3的中間有0個數字→2x3x0=0
2+0=2,因此答案為2
例如:試求4253的鄰里值為何?
2與3的中間有1個數字→2x3x1=6
3與4的中間有2個數字→3x4x2=24
4與5的中間有1個數字→4x5x1=20
6+24+20=50,因此答案為50
請問:哪一個數字是由不同的數字組成,且具有最大的鄰里值?
如果有若干個數字都符合這個要求,請寫出其中最大者。
--
時限:2009/12/24(四)19:00~12/29(二)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
◆Neighborhood Value
令「鄰里值」這個名詞的意義為:一個數字當中,其中兩個位元的數字若為連續數字,則
計算該兩數之間所夾的數字數量,再求數量與該兩數的乘積。然後再尋找下一對連續數字
做同樣的運算,直到窮盡為止。而鄰里值,即為這些乘積的總和。
例如:132的鄰里值為2。
1與2的中間有1個數字→1x2x1=2
2與3的中間有0個數字→2x3x0=0
2+0=2,因此答案為2
例如:試求4253的鄰里值為何?
2與3的中間有1個數字→2x3x1=6
3與4的中間有2個數字→3x4x2=24
4與5的中間有1個數字→4x5x1=20
6+24+20=50,因此答案為50
請問:哪一個數字是由不同的數字組成,且具有最大的鄰里值?
如果有若干個數字都符合這個要求,請寫出其中最大者。
--
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