格雷碼推導

原創 newlaide 2020-07-03 02:00

今日看百度百科上關於位運算的內容，裏面提到格雷碼的一個計算公式，引文：Gray碼的第n個數（從0算起）是n xor (n shr 1)。看起來有點抽象，也可能是不夠聰明，一眼看不出來，就拿紙筆推導了一下。


百度百科原文鏈接：http://baike.baidu.com/view/379209.htm#7

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