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Commit 02751ef

Browse files
feat: add javascript solution to lcci problem: No.17.10.Find Majority Element (doocs#371)
* feat: add javascript solution to lcci problem: No.02.01.Remove Duplicate Node * feat: add javascript solution to lcci problem: No.02.02.Kth Node From End of List * feat: add javascript solution to lcci problem: No.02.03.Delete Middle Node * feat: add javascript solution to lcci problem: No.17.04.Missing Number * feat: add javascript solution to lcci problem: No.17.10.Find Majority Element
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‎lcci/17.10.Find Majority Element/README.md‎

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<!-- 这里可写通用的实现逻辑 -->
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摩尔投票法
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<!-- tabs:start -->
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### **Python3**
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```
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### **JavaScript**
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```js
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/**
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* @param {number[]} nums
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* @return {number}
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*/
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var majorityElement = function(nums) {
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let candidate = 0, count = 0;
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for (let num of nums) {
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if (count == 0) candidate = num;
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if (candidate == num) {
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count++;
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} else {
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count--;
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}
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}
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let n = 0;
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for (let num of nums) {
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if (candidate == num) n++;
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}
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return n > (nums.length / 2) ? candidate : -1;
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};
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```
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### **...**
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```

‎lcci/17.10.Find Majority Element/README_EN.md‎

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## Solutions
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Boyer–Moore majority vote algorithm
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<!-- tabs:start -->
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### **Python3**
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```
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### **JavaScript**
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```js
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/**
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* @param {number[]} nums
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* @return {number}
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*/
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var majorityElement = function(nums) {
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let candidate = 0, count = 0;
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for (let num of nums) {
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if (count == 0) candidate = num;
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if (candidate == num) {
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count++;
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} else {
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count--;
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}
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}
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let n = 0;
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for (let num of nums) {
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if (candidate == num) n++;
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}
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return n > (nums.length / 2) ? candidate : -1;
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};
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```
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### **...**
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```
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/**
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* @param {number[]} nums
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* @return {number}
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*/
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var majorityElement = function(nums) {
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let candidate = 0, count = 0;
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for (let num of nums) {
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if (count == 0) candidate = num;
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if (candidate == num) {
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count++;
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} else {
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count--;
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}
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}
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let n = 0;
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for (let num of nums) {
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if (candidate == num) n++;
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}
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return n > (nums.length / 2) ? candidate : -1;
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};

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