feat: add weekly contest 375 and biweekly contest 119

solution/2900-2999/2956.Find Common Elements Between Two Arrays/README.md

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+# [2956. 找到两个数组中的公共元素](https://leetcode.cn/problems/find-common-elements-between-two-arrays)
+
+[English Version](/solution/2900-2999/2956.Find%20Common%20Elements%20Between%20Two%20Arrays/README_EN.md)
+
+## 题目描述
+
+<!-- 这里写题目描述 -->
+
+<p>给你两个下标从 <strong>0</strong>&nbsp;开始的整数数组&nbsp;<code>nums1</code>&nbsp;和&nbsp;<code>nums2</code>&nbsp;，它们分别含有 <code>n</code>&nbsp;和 <code>m</code>&nbsp;个元素。</p>
+
+<p>请你计算以下两个数值：</p>
+
+<ul>
+	<li>统计&nbsp;<code>0 &lt;= i &lt; n</code>&nbsp;中的下标&nbsp;<code>i</code>&nbsp;，满足&nbsp;<code>nums1[i]</code>&nbsp;在 <code>nums2</code>&nbsp;中 <strong>至少</strong>&nbsp;出现了一次。</li>
+	<li>统计&nbsp;<code>0 &lt;= i &lt; m</code>&nbsp;中的下标&nbsp;<code>i</code>&nbsp;，满足&nbsp;<code>nums2[i]</code>&nbsp;在 <code>nums1</code>&nbsp;中 <strong>至少</strong>&nbsp;出现了一次。</li>
+</ul>
+
+<p>请你返回一个长度为 <code>2</code>&nbsp;的整数数组<em>&nbsp;</em><code>answer</code>&nbsp;，<strong>按顺序</strong>&nbsp;分别为以上两个数值。</p>
+
+<p>&nbsp;</p>
+
+<p><strong class="example">示例 1：</strong></p>
+
+<pre>
+<strong>输入：</strong>nums1 = [4,3,2,3,1], nums2 = [2,2,5,2,3,6]
+<b>输出：</b>[3,4]
+<b>解释：</b>分别计算两个数值：
+- nums1 中下标为 1 ，2 和 3 的元素在 nums2 中至少出现了一次，所以第一个值为 3 。
+- nums2 中下标为 0 ，1 ，3 和 4 的元素在 nums1 中至少出现了一次，所以第二个值为 4 。
+</pre>
+
+<p><strong class="example">示例 2：</strong></p>
+
+<pre>
+<b>输入：</b>nums1 = [3,4,2,3], nums2 = [1,5]
+<b>输出：</b>[0,0]
+<b>解释：</b>两个数组中没有公共元素，所以两个值都为 0 。
+</pre>
+
+<p>&nbsp;</p>
+
+<p><strong>提示：</strong></p>
+
+<ul>
+	<li><code>n == nums1.length</code></li>
+	<li><code>m == nums2.length</code></li>
+	<li><code>1 &lt;= n, m &lt;= 100</code></li>
+	<li><code>1 &lt;= nums1[i], nums2[i] &lt;= 100</code></li>
+</ul>
+
+## 解法
+
+<!-- 这里可写通用的实现逻辑 -->
+
+<!-- tabs:start -->
+
+### **Python3**
+
+<!-- 这里可写当前语言的特殊实现逻辑 -->
+
+```python
+
+```
+
+### **Java**
+
+<!-- 这里可写当前语言的特殊实现逻辑 -->
+
+```java
+
+```
+
+### **C++**
+
+```cpp
+
+```
+
+### **Go**
+
+```go
+
+```
+
+### **...**
+
+```
+
+```
+
+<!-- tabs:end -->

solution/2900-2999/2956.Find Common Elements Between Two Arrays/README_EN.md

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+# [2956. Find Common Elements Between Two Arrays](https://leetcode.com/problems/find-common-elements-between-two-arrays)
+
+[中文文档](/solution/2900-2999/2956.Find%20Common%20Elements%20Between%20Two%20Arrays/README.md)
+
+## Description
+
+<p>You are given two <strong>0-indexed</strong> integer arrays <code>nums1</code> and <code>nums2</code> of sizes <code>n</code> and <code>m</code>, respectively.</p>
+
+<p>Consider calculating the following values:</p>
+
+<ul>
+	<li>The number of indices <code>i</code> such that <code>0 &lt;= i &lt; n</code> and <code>nums1[i]</code> occurs <strong>at least</strong> once in <code>nums2</code>.</li>
+	<li>The number of indices <code>i</code> such that <code>0 &lt;= i &lt; m</code> and <code>nums2[i]</code> occurs <strong>at least</strong> once in <code>nums1</code>.</li>
+</ul>
+
+<p>Return <em>an integer array </em><code>answer</code><em> of size </em><code>2</code><em> containing the two values <strong>in the above order</strong></em>.</p>
+
+<p>&nbsp;</p>
+<p><strong class="example">Example 1:</strong></p>
+
+<pre>
+<strong>Input:</strong> nums1 = [4,3,2,3,1], nums2 = [2,2,5,2,3,6]
+<strong>Output:</strong> [3,4]
+<strong>Explanation:</strong> We calculate the values as follows:
+- The elements at indices 1, 2, and 3 in nums1 occur at least once in nums2. So the first value is 3.
+- The elements at indices 0, 1, 3, and 4 in nums2 occur at least once in nums1. So the second value is 4.
+</pre>
+
+<p><strong class="example">Example 2:</strong></p>
+
+<pre>
+<strong>Input:</strong> nums1 = [3,4,2,3], nums2 = [1,5]
+<strong>Output:</strong> [0,0]
+<strong>Explanation:</strong> There are no common elements between the two arrays, so the two values will be 0.
+</pre>
+
+<p>&nbsp;</p>
+<p><strong>Constraints:</strong></p>
+
+<ul>
+	<li><code>n == nums1.length</code></li>
+	<li><code>m == nums2.length</code></li>
+	<li><code>1 &lt;= n, m &lt;= 100</code></li>
+	<li><code>1 &lt;= nums1[i], nums2[i] &lt;= 100</code></li>
+</ul>
+
+## Solutions
+
+<!-- tabs:start -->
+
+### **Python3**
+
+```python
+
+```
+
+### **Java**
+
+```java
+
+```
+
+### **C++**
+
+```cpp
+
+```
+
+### **Go**
+
+```go
+
+```
+
+### **...**
+
+```
+
+```
+
+<!-- tabs:end -->

solution/2900-2999/2957.Remove Adjacent Almost-Equal Characters/README.md

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+# [2957. 消除相邻近似相等字符](https://leetcode.cn/problems/remove-adjacent-almost-equal-characters)
+
+[English Version](/solution/2900-2999/2957.Remove%20Adjacent%20Almost-Equal%20Characters/README_EN.md)
+
+## 题目描述
+
+<!-- 这里写题目描述 -->
+
+<p>给你一个下标从 <strong>0</strong>&nbsp;开始的字符串&nbsp;<code>word</code>&nbsp;。</p>
+
+<p>一次操作中，你可以选择&nbsp;<code>word</code>&nbsp;中任意一个下标 <code>i</code>&nbsp;，将&nbsp;<code>word[i]</code> 修改成任意一个小写英文字母。</p>
+
+<p>请你返回消除 <code>word</code>&nbsp;中所有相邻 <strong>近似相等</strong>&nbsp;字符的 <strong>最少</strong>&nbsp;操作次数。</p>
+
+<p>两个字符&nbsp;<code>a</code> 和&nbsp;<code>b</code>&nbsp;如果满足&nbsp;<code>a == b</code>&nbsp;或者&nbsp;<code>a</code> 和&nbsp;<code>b</code>&nbsp;在字母表中是相邻的，那么我们称它们是 <strong>近似相等</strong>&nbsp;字符。</p>
+
+<p>&nbsp;</p>
+
+<p><strong class="example">示例 1：</strong></p>
+
+<pre>
+<b>输入：</b>word = "aaaaa"
+<b>输出：</b>2
+<b>解释：</b>我们将 word 变为 "a<em><strong>c</strong></em>a<em><strong>c</strong></em>a" ，该字符串没有相邻近似相等字符。
+消除 word 中所有相邻近似相等字符最少需要 2 次操作。
+</pre>
+
+<p><strong class="example">示例 2：</strong></p>
+
+<pre>
+<b>输入：</b>word = "abddez"
+<b>输出：</b>2
+<b>解释：</b>我们将 word 变为 "<em><strong>y</strong></em>bd<em><strong>o</strong></em>ez" ，该字符串没有相邻近似相等字符。
+消除 word 中所有相邻近似相等字符最少需要 2 次操作。</pre>
+
+<p><strong class="example">示例 3：</strong></p>
+
+<pre>
+<b>输入：</b>word = "zyxyxyz"
+<b>输出：</b>3
+<b>解释：</b>我们将 word 变为 "z<em><strong>a</strong></em>x<em><strong>a</strong></em>x<em><strong>a</strong></em>z" ，该字符串没有相邻近似相等字符。
+消除 word 中所有相邻近似相等字符最少需要 3 次操作
+</pre>
+
+<p>&nbsp;</p>
+
+<p><strong>提示：</strong></p>
+
+<ul>
+	<li><code>1 &lt;= word.length &lt;= 100</code></li>
+	<li><code>word</code>&nbsp;只包含小写英文字母。</li>
+</ul>
+
+## 解法
+
+<!-- 这里可写通用的实现逻辑 -->
+
+<!-- tabs:start -->
+
+### **Python3**
+
+<!-- 这里可写当前语言的特殊实现逻辑 -->
+
+```python
+
+```
+
+### **Java**
+
+<!-- 这里可写当前语言的特殊实现逻辑 -->
+
+```java
+
+```
+
+### **C++**
+
+```cpp
+
+```
+
+### **Go**
+
+```go
+
+```
+
+### **...**
+
+```
+
+```
+
+<!-- tabs:end -->

solution/2900-2999/2957.Remove Adjacent Almost-Equal Characters/README_EN.md

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+# [2957. Remove Adjacent Almost-Equal Characters](https://leetcode.com/problems/remove-adjacent-almost-equal-characters)
+
+[中文文档](/solution/2900-2999/2957.Remove%20Adjacent%20Almost-Equal%20Characters/README.md)
+
+## Description
+
+<p>You are given a <strong>0-indexed</strong> string <code>word</code>.</p>
+
+<p>In one operation, you can pick any index <code>i</code> of <code>word</code> and change <code>word[i]</code> to any lowercase English letter.</p>
+
+<p>Return <em>the <strong>minimum</strong> number of operations needed to remove all adjacent <strong>almost-equal</strong> characters from</em> <code>word</code>.</p>
+
+<p>Two characters <code>a</code> and <code>b</code> are <strong>almost-equal</strong> if <code>a == b</code> or <code>a</code> and <code>b</code> are adjacent in the alphabet.</p>
+
+<p>&nbsp;</p>
+<p><strong class="example">Example 1:</strong></p>
+
+<pre>
+<strong>Input:</strong> word = &quot;aaaaa&quot;
+<strong>Output:</strong> 2
+<strong>Explanation:</strong> We can change word into &quot;a<strong><u>c</u></strong>a<u><strong>c</strong></u>a&quot; which does not have any adjacent almost-equal characters.
+It can be shown that the minimum number of operations needed to remove all adjacent almost-equal characters from word is 2.
+</pre>
+
+<p><strong class="example">Example 2:</strong></p>
+
+<pre>
+<strong>Input:</strong> word = &quot;abddez&quot;
+<strong>Output:</strong> 2
+<strong>Explanation:</strong> We can change word into &quot;<strong><u>y</u></strong>bd<u><strong>o</strong></u>ez&quot; which does not have any adjacent almost-equal characters.
+It can be shown that the minimum number of operations needed to remove all adjacent almost-equal characters from word is 2.</pre>
+
+<p><strong class="example">Example 3:</strong></p>
+
+<pre>
+<strong>Input:</strong> word = &quot;zyxyxyz&quot;
+<strong>Output:</strong> 3
+<strong>Explanation:</strong> We can change word into &quot;z<u><strong>a</strong></u>x<u><strong>a</strong></u>x<strong><u>a</u></strong>z&quot; which does not have any adjacent almost-equal characters. 
+It can be shown that the minimum number of operations needed to remove all adjacent almost-equal characters from word is 3.
+</pre>
+
+<p>&nbsp;</p>
+<p><strong>Constraints:</strong></p>
+
+<ul>
+	<li><code>1 &lt;= word.length &lt;= 100</code></li>
+	<li><code>word</code> consists only of lowercase English letters.</li>
+</ul>
+
+## Solutions
+
+<!-- tabs:start -->
+
+### **Python3**
+
+```python
+
+```
+
+### **Java**
+
+```java
+
+```
+
+### **C++**
+
+```cpp
+
+```
+
+### **Go**
+
+```go
+
+```
+
+### **...**
+
+```
+
+```
+
+<!-- tabs:end -->