題目網址: http://www.puzzleup.com/2015/
http://www.puzzleup.com/2015/puzzle/?12
答題時限: 10月16日7PM-比賽結束(約12月16日)
加分時限: 10月16日7PM-10月21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)
◆DIGIT TABLE
┌─┬─┬─┬─┬─┬─┬─┬─┬─┐
│1│1│1│1│1│1│1│1│1│
├─┼─┼─┼─┼─┼─┼─┼─┼─┤
│1│2│2│2│2│2│2│2│1│
├─┼─┼─┼─┼─┼─┼─┼─┼─┤
│1│2│3│3│3│3│3│2│1│
├─┼─┼─┼─┼─┼─┼─┼─┼─┤
│1│2│3│2│2│2│3│2│1│
├─┼─┼─┼─┼─┼─┼─┼─┼─┤
│1│2│3│2│1│2│3│2│1│
├─┼─┼─┼─┼─┼─┼─┼─┼─┤
│1│2│3│2│2│2│3│2│1│
├─┼─┼─┼─┼─┼─┼─┼─┼─┤
│1│2│3│3│3│3│3│2│1│
├─┼─┼─┼─┼─┼─┼─┼─┼─┤
│1│2│2│2│2│2│2│2│1│
├─┼─┼─┼─┼─┼─┼─┼─┼─┤
│1│1│1│1│1│1│1│1│1│
└─┴─┴─┴─┴─┴─┴─┴─┴─┘
In the table given above in how many different ways can the number "12321" be
obtained?
- You can start from any "1".
- From a square you can move only to a neighboring (adjacent horizontally,
vertically, or diagonally) square.
- You can use a square more than once in any "12321".
在上表中有多少種方法可以串出12321這個數字串?
- 你可以從任何一個1格開始。
- 每一步你只能移到到八方向相鄰的格子上。
- 你可以使用一個格子不只一次來構成12321。
Example:
┌─┬─┬─┬─┬─┐
│1│1│1│1│1│
├─┼─┼─┼─┼─┤
│1│2│2│2│1│
├─┼─┼─┼─┼─┤
│1│2│1│2│1│
├─┼─┼─┼─┼─┤
│1│2│2│2│1│
├─┼─┼─┼─┼─┤
│1│1│1│1│1│
└─┴─┴─┴─┴─┘
If the same problem was asked for obtaining "121" in the sample table, the
answer would be 208.
例:若題目改問由上面小的表中串出121的方法數,答案則為 208。