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feat: update solutions to lc/lcof/lcci problem: Majority Element
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‎README.md

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@@ -50,6 +50,7 @@
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### 数组
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- [多数元素](./solution/0100-0199/0169.Majority%20Element/README.md)
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- [删除排序数组中的重复项](./solution/0000-0099/0026.Remove%20Duplicates%20from%20Sorted%20Array/README.md)
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- [删除排序数组中的重复项 II](./solution/0000-0099/0080.Remove%20Duplicates%20from%20Sorted%20Array%20II/README.md)
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- [移除元素](./solution/0000-0099/0027.Remove%20Element/README.md)

‎README_EN.md

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@@ -50,6 +50,7 @@ Complete solutions to [LeetCode](https://leetcode-cn.com/problemset/all/), [LCOF
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### Arrays
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- [Majority Element](./solution/0100-0199/0169.Majority%20Element/README_EN.md)
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- [Remove Duplicates from Sorted Array](./solution/0000-0099/0026.Remove%20Duplicates%20from%20Sorted%20Array/README_EN.md)
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- [Remove Duplicates from Sorted Array II](./solution/0000-0099/0080.Remove%20Duplicates%20from%20Sorted%20Array%20II/README_EN.md)
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- [Remove Element](./solution/0000-0099/0027.Remove%20Element/README_EN.md)

‎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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摩尔投票法。时间复杂度 O(n)，空间复杂度 O(1)。
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<!-- tabs:start -->
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<!-- 这里可写当前语言的特殊实现逻辑 -->
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```python
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class Solution:
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def majorityElement(self, nums: List[int]) -> int:
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cnt = major = 0
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for num in nums:
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if cnt == 0:
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major = num
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cnt = 1
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else:
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cnt += (1 if major == num else -1)
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return major
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```
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### **Java**
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<!-- 这里可写当前语言的特殊实现逻辑 -->
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```java
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class Solution {
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public int majorityElement(int[] nums) {
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int cnt = 0, major = 0;
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for (int num : nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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}
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}
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```
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### **JavaScript**
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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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let cnt = 0;
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let major = 0;
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for (const num of nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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count--;
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cnt += (major == num ? 1 : -1);
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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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return major;
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};
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```
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### **C++**
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```cpp
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class Solution {
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public:
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int majorityElement(vector<int>& nums) {
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int cnt = 0, major = 0;
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for (int num : nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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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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### **C#**
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```cs
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public class Solution {
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public int MajorityElement(int[] nums) {
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int cnt = 0, major = 0;
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foreach (int num in nums)
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{
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if (cnt == 0)
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{
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major = num;
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cnt = 1;
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}
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else
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{
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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}
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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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@@ -45,13 +45,35 @@ Boyer–Moore majority vote algorithm
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### **Python3**
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```python
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class Solution:
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def majorityElement(self, nums: List[int]) -> int:
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cnt = major = 0
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for num in nums:
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if cnt == 0:
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major = num
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cnt = 1
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else:
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cnt += (1 if major == num else -1)
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return major
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```
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### **Java**
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```java
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class Solution {
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public int majorityElement(int[] nums) {
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int cnt = 0, major = 0;
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for (int num : nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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}
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}
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```
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### **JavaScript**
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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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let cnt = 0;
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let major = 0;
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for (const num of nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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count--;
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cnt += (major == num ? 1 : -1);
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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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return major;
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};
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```
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### **C++**
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```cpp
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class Solution {
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public:
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int majorityElement(vector<int>& nums) {
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int cnt = 0, major = 0;
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for (int num : nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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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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### **C#**
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```cs
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public class Solution {
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public int MajorityElement(int[] nums) {
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int cnt = 0, major = 0;
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foreach (int num in nums)
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{
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if (cnt == 0)
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{
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major = num;
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cnt = 1;
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}
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else
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{
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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}
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}
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```
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### **...**
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```

‎lcci/17.10.Find Majority Element/Solution.cpp

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class Solution {
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public:
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int majorityElement(vector<int>& nums) {
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int cnt = 0, major = 0;
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for (int num : nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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}
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};

‎lcci/17.10.Find Majority Element/Solution.cs

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@@ -0,0 +1,18 @@
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public class Solution {
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public int MajorityElement(int[] nums) {
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int cnt = 0, major = 0;
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foreach (int num in nums)
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{
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if (cnt == 0)
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{
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major = num;
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cnt = 1;
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}
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else
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{
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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}
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}

‎lcci/17.10.Find Majority Element/Solution.go

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func majorityElement(nums []int) int {
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var cnt, major int
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for _, num := range nums {
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if cnt == 0 {
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major = num
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cnt = 1
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} else {
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if major == num {
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cnt++
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} else {
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cnt--
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}
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}
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}
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return major
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}

‎lcci/17.10.Find Majority Element/Solution.java

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class Solution {
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public int majorityElement(int[] nums) {
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int cnt = 0, major = 0;
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for (int num : nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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cnt += (major == num ? 1 : -1);
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}
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}
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return major;
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}
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}

‎lcci/17.10.Find Majority Element/Solution.js

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@@ -3,18 +3,15 @@
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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;
7-
for (let num of nums) {
8-
if (count == 0) candidate = num;
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if (candidate == num) {
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count++;
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let cnt = 0;
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let major = 0;
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for (const num of nums) {
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if (cnt == 0) {
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major = num;
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cnt = 1;
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} else {
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count--;
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cnt += (major == num ? 1 : -1);
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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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return major;
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};

‎lcci/17.10.Find Majority Element/Solution.py

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class Solution:
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def majorityElement(self, nums: List[int]) -> int:
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cnt = major = 0
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for num in nums:
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if cnt == 0:
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major = num
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cnt = 1
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else:
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cnt += (1 if major == num else -1)
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return major

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