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Commit 798c7cc

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feat: add solution of Excel Sheet Column Title(168) with javascript.
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‎README.md‎

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| [155][155-question] | [Min Stack][155-tips] | [Easy][E] | [✅][155-java] | [✅][155-js] | [✅][155-kotlin] |
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| [160][160-question] | [Intersection of Two Linked Lists][160-tips] | [Easy][E] | [✅][160-java] | | - |
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| [167][167-question] | [Two Sum II - Input array is sorted][167-tips] | [Easy][E] | | [✅][167-js] | - |
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| [168][168-question] | [Excel Sheet Column Title][168-tips] | [Easy][E] | | [✅][168-js] | - |
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| [226][226-question] | [Invert Binary Tree][226-tips] | [Easy][E] | [✅][226-java] | [✅][226-js] | [✅][226-kotlin] |
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| [504][504-question] | [Base 7][504-tips] | [Easy][E] | | | [✅][504-kotlin] |
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| [543][543-question] | [Diameter of Binary Tree][543-tips] | [Easy][E] | [✅][543-java] | | [✅][543-kotlin] |
@@ -290,6 +291,7 @@ commit信息模板: ``feat: add the solution of `Two Sum`(001) with Java``
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[155-question]: https://leetcode.com/problems/min-stack/
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[160-question]: https://leetcode.com/problems/intersection-of-two-linked-lists/
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[167-question]: https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/
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[168-question]: https://leetcode.com/problems/excel-sheet-column-title/
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[226-question]: https://leetcode.com/problems/invert-binary-tree/
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[504-question]: https://leetcode.com/problems/base-7/description/
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[543-question]: https://leetcode.com/problems/diameter-of-binary-tree/
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[155-tips]: ./tips/155/README.md
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[160-tips]: ./tips/160/README.md
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[167-tips]: ./tips/167/README.md
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[168-tips]: ./tips/168/README.md
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[226-tips]: ./tips/226/README.md
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[504-tips]: ./tips/504/README.md
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[543-tips]: ./tips/543/README.md
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[136-js]: ./src/_136/Solution.js
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[155-js]: ./src/_155/Solution.js
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[167-js]: ./src/_167/Solution.js
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[168-js]: ./src/_168/Solution.js
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[226-js]: ./src/_226/Solution.js
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[561-js]: ./src/_561/Solution.js
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[643-js]: ./src/_643/Solution.js

‎src/_168/Solution.js‎

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/**
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* @param {number} n
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* @return {string}
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*/
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var convertToTitle = function(n) {
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let letter = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']
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let lastLetter = n % 26 === 0 ? 'Z' : letter[n % 26 - 1]
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if(n <= 26) {
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return lastLetter
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}
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let nextLetterIndex = (n - (n % 26 === 0 ? 26 : n % 26))/26
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if(Math.floor(nextLetterIndex) <= 26) {
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return letter[Math.floor(nextLetterIndex) - 1] + lastLetter
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} else {
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return convertToTitle(Math.floor(n/26)) + lastLetter
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}
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};

‎tips/167/README.md‎

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## 思路 1
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javascript:
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```java
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```javascript
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/**
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* @param {number[]} numbers
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* @param {number} target

‎tips/168/README.md‎

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[Excel Sheet Column Title][title]
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## Description
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Given a positive integer, return its corresponding column title as appear in an Excel sheet.
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**Example:**
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```
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1 -> A
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2 -> B
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3 -> C
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...
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26 -> Z
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27 -> AA
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28 -> AB
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...
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Input: 1
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Output: "A"
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Input: 28
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Output: "AB"
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Input: 701
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Output: "ZY"
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```
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**Tags:**
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`Array`
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## 思路 1
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javascript:
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```javascript
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/**
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* @param {number} n
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* @return {string}
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*/
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var convertToTitle = function(n) {
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let letter = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']
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let lastLetter = n % 26 === 0 ? 'Z' : letter[n % 26 - 1]
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if(n <= 26) {
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return lastLetter
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}
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let nextLetterIndex = (n - (n % 26 === 0 ? 26 : n % 26))/26
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if(Math.floor(nextLetterIndex) <= 26) {
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return letter[Math.floor(nextLetterIndex) - 1] + lastLetter
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} else {
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return convertToTitle(Math.floor(n/26)) + lastLetter
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}
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};
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```
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## 结语
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如果你同我们一样热爱数据结构、算法、LeetCode,可以关注我们 GitHub 上的 LeetCode 题解:[LeetCode-Solution][ls]
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[title]: https://leetcode.com/problems/excel-sheet-column-title/
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[ls]: https://github.com/RichCodersAndMe/LeetCode-Solution

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