競賽程式設計簡單

平鋪問題

「平鋪問題」問題的詳細指南和 Python 實作。

問題陳述

簡單

寫一個函數 tiling_ways(n),傳回使用 2x1 骨牌平鋪 2xn 板的方式數。多米諾骨牌可以垂直或水平放置。

約束條件
  • 1 <= n <= 50

範例

Example 1
Input
tiling_ways(3)
Output
3
Explanation

For a 2x3 board, there are 3 ways: 3 vertical tiles, or 1 vertical and 2 horizontal tiles (in two configurations).

Example 2
Input
tiling_ways(4)
Output
5
Explanation

For a 2x4 board, there are 5 ways to tile it.

Need a Hint?
考慮使用動態程式特定的資料結構,例如集合或堆。
Edge Cases to Watch
  • 空輸入結構
  • 單元素輸入
  • 大數值範圍

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