今日題目:字串反轉
Input: s = ["h","e","l","l","o"]
Output: ["o","l","l","e","h"]




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學習

政治與評論

<div class="draft-block draft--p left">今日題目:字串反轉</div>
<blockquote class="draft-block draft--blockquote"><span style="font-weight: bold; ">Input:</span> s = ["h","e","l","l","o"]<br><span style="font-weight: bold; ">Output:</span> ["o","l","l","e","h"]</blockquote>
<div class="draft-block draft--p left"></div>
<div class="draft--imgNormal draft-block"><div><div style="height:768px" class="image-block-prerender" data-src="https://images.vocus.cc/92ef603b-b8df-44d9-9f6d-dfd837aee82e.jpg" data-width="768" data-height="437" data-position="center"></div><figcaption class="imageCaption draft-block" style="cursor:text;display:block"></figcaption></div></div>
<div class="draft-block draft--p left">用兩個指標，一個從字首往字尾跑，一個字尾往字首跑，交換兩指標指向的元素，直到兩個指標交錯。</div>
<div class="draft-block draft--p left">為了讓主要的程式看起來簡潔一點，把交換的部份另外抽出為private method。</div>
<div class="draft-block draft--p left"></div>

<p>今日題目:字串反轉</p>
<blockquote><strong>Input:</strong> s = ["h","e","l","l","o"]<br>
<strong>Output:</strong> ["o","l","l","e","h"]</blockquote>
<p><br></p>
<p><br></p>
<p>用兩個指標，一個從字首往字尾跑，一個字尾往字首跑，交換兩指標指向的元素，直到兩個指標交錯。</p>
<p>為了讓主要的程式看起來簡潔一點，把交換的部份另外抽出為private method。</p>
<p><br></p>

Input: s = ["h","e","l","l","o"]
Output: ["o","l","l","e","h"]

用兩個指標，一個從字首往字尾跑，一個字尾往字首跑，交換兩指標指向的元素，直到兩個指標交錯。

為了讓主要的程式看起來簡潔一點，把交換的部份另外抽出為private method。

【LeetCode】344. Reverse String

今日題目: 把一行字內每個單字都反轉字元。
Input: s = "Let's take LeetCode contest"
Output: "s'teL ekat edoCteeL tsetnoc"


【LeetCode】557. Reverse Words in a String III

題目如下:
Input: numbers = [2,7,11,15], target = 9
Output: [1,2]


【LeetCode】167. Two Sum II 

遇到的坑、解過的題、新知識的探索、舊時代的遺毒!? 工作後我發現，文件更新往往跟不上新需求的更迭，犯錯的歷史總是不斷重演。因此，我改變了方式，蒐集從程式上、系統上的每一次異常處理過程，好讓再次遇到相同的問題時能快速應變。此專題就是我的錯題本，期待日後不管在工作上或交流上遇到難題，都能輕鬆地應答：有什麼難的，我都踩過。