--- tags: sql, LeetCode disqus: HackMD --- # 509. Fibonacci Number 本題主要考驗將資料 [**費波那契數**](https://zh.wikipedia.org/wiki/%E6%96%90%E6%B3%A2%E9%82%A3%E5%A5%91%E6%95%B0) 用法 `Rearrange Products Table` 透過`leetcode 509`[Fibonacci Number](https://leetcode.com/problems/fibonacci-number/description/)來練習 ## 題目說明: 斐波那契數列通常表示F(n)為一個數列,稱為斐波那契數列,其中每個數都是前兩個數的和,從0和開始1。  題目:  ## 解題: ```javascript= var fib = function(n) { if(n === 0) return 0 if(n === 1) return 1 return fib(n-1)+fib(n-2); }; ``` 
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