feat: update lc problems

Author: yanglbme

solution/0000-0099/0039.Combination Sum/README.md

@@ -28,7 +28,7 @@ tags:
 <p><strong>示例&nbsp;1：</strong></p>
 
 <pre>
-<strong>输入：</strong>candidates = <code>[2,3,6,7], </code>target = <code>7</code>
+<strong>输入：</strong>candidates = <code>[2,3,6,7]</code>, target = <code>7</code>
 <strong>输出：</strong>[[2,2,3],[7]]
 <strong>解释：</strong>
 2 和 3 可以形成一组候选，2 + 2 + 3 = 7 。注意 2 可以使用多次。

solution/0100-0199/0168.Excel Sheet Column Title/README.md

@@ -9,7 +9,7 @@ tags:
 
 <!-- problem:start -->
 
-# [168. Excel表列名称](https://leetcode.cn/problems/excel-sheet-column-title)
+# [168. Excel 表列名称](https://leetcode.cn/problems/excel-sheet-column-title)
 
 [English Version](/solution/0100-0199/0168.Excel%20Sheet%20Column%20Title/README_EN.md)
 

solution/0400-0499/0435.Non-overlapping Intervals/README.md

@@ -21,6 +21,8 @@ tags:
 
 <p>给定一个区间的集合&nbsp;<code>intervals</code>&nbsp;，其中 <code>intervals[i] = [start<sub>i</sub>, end<sub>i</sub>]</code>&nbsp;。返回 <em>需要移除区间的最小数量，使剩余区间互不重叠&nbsp;</em>。</p>
 
+<p><strong>注意</strong>&nbsp;只在一点上接触的区间是&nbsp;<strong>不重叠的</strong>。例如&nbsp;<code>[1, 2]</code>&nbsp;和&nbsp;<code>[2, 3]</code>&nbsp;是不重叠的。</p>
+
 <p>&nbsp;</p>
 
 <p><strong>示例 1:</strong></p>

solution/0400-0499/0435.Non-overlapping Intervals/README_EN.md

@@ -21,6 +21,8 @@ tags:
 
 <p>Given an array of intervals <code>intervals</code> where <code>intervals[i] = [start<sub>i</sub>, end<sub>i</sub>]</code>, return <em>the minimum number of intervals you need to remove to make the rest of the intervals non-overlapping</em>.</p>
 
+<p><strong>Note</strong> that intervals which only touch at a point are <strong>non-overlapping</strong>. For example, <code>[1, 2]</code> and <code>[2, 3]</code> are non-overlapping.</p>
+
 <p>&nbsp;</p>
 <p><strong class="example">Example 1:</strong></p>
 

solution/0500-0599/0594.Longest Harmonious Subsequence/README.md

@@ -22,41 +22,55 @@ tags:
 
 <p>和谐数组是指一个数组里元素的最大值和最小值之间的差别 <strong>正好是 <code>1</code></strong> 。</p>
 
-<p>现在，给你一个整数数组 <code>nums</code> ，请你在所有可能的子序列中找到最长的和谐子序列的长度。</p>
+<p>给你一个整数数组 <code>nums</code> ，请你在所有可能的子序列中找到最长的和谐子序列的长度。</p>
 
-<p>数组的子序列是一个由数组派生出来的序列，它可以通过删除一些元素或不删除元素、且不改变其余元素的顺序而得到。</p>
+<p>数组的 <strong>子序列</strong> 是一个由数组派生出来的序列，它可以通过删除一些元素或不删除元素、且不改变其余元素的顺序而得到。</p>
 
-<p> </p>
+<p>&nbsp;</p>
 
-<p><strong>示例 1：</strong></p>
+<p><strong class="example">示例 1：</strong></p>
 
-<pre>
-<strong>输入：</strong>nums = [1,3,2,2,5,2,3,7]
-<strong>输出：</strong>5
-<strong>解释：</strong>最长的和谐子序列是 [3,2,2,2,3]
-</pre>
+<div class="example-block">
+<p><strong>输入：</strong><span class="example-io">nums = [1,3,2,2,5,2,3,7]</span></p>
 
-<p><strong>示例 2：</strong></p>
+<p><span class="example-io"><b>输出：</b>5</span></p>
 
-<pre>
-<strong>输入：</strong>nums = [1,2,3,4]
-<strong>输出：</strong>2
-</pre>
+<p><strong>解释：</strong></p>
 
-<p><strong>示例 3：</strong></p>
+<p>最长和谐子序列是&nbsp;<code>[3,2,2,2,3]</code>。</p>
+</div>
 
-<pre>
-<strong>输入：</strong>nums = [1,1,1,1]
-<strong>输出：</strong>0
-</pre>
+<p><strong class="example">示例 2：</strong></p>
 
-<p> </p>
+<div class="example-block">
+<p><span class="example-io"><b>输入：</b>nums = [1,2,3,4]</span></p>
+
+<p><span class="example-io"><b>输出：</b>2</span></p>
+
+<p><strong>解释：</strong></p>
+
+<p>最长和谐子序列是&nbsp;<code>[1,2]</code>，<code>[2,3]</code>&nbsp;和&nbsp;<code>[3,4]</code>，长度都为 2。</p>
+</div>
+
+<p><strong class="example">示例 3：</strong></p>
+
+<div class="example-block">
+<p><strong>输入：</strong><span class="example-io">nums = [1,1,1,1]</span></p>
+
+<p><span class="example-io"><b>输出：</b>0</span></p>
+
+<p><strong>解释：</strong></p>
+
+<p>不存在和谐子序列。</p>
+</div>
+
+<p>&nbsp;</p>
 
 <p><strong>提示：</strong></p>
 
 <ul>
-	<li><code>1 <= nums.length <= 2 * 10<sup>4</sup></code></li>
-	<li><code>-10<sup>9</sup> <= nums[i] <= 10<sup>9</sup></code></li>
+	<li><code>1 &lt;= nums.length &lt;= 2 * 10<sup>4</sup></code></li>
+	<li><code>-10<sup>9</sup> &lt;= nums[i] &lt;= 10<sup>9</sup></code></li>
 </ul>
 
 <!-- description:end -->

solution/0500-0599/0594.Longest Harmonious Subsequence/README_EN.md

@@ -27,49 +27,48 @@ tags:
 <p>A <strong>subsequence</strong> of array is a sequence that can be derived from the array by deleting some or no elements without changing the order of the remaining elements.</p>
 
 <p>&nbsp;</p>
-
 <p><strong class="example">Example 1:</strong></p>
 
-<pre>
-
-<strong>Input:</strong> nums = [1,3,2,2,5,2,3,7]
+<div class="example-block">
+<p><strong>Input:</strong> <span class="example-io">nums = [1,3,2,2,5,2,3,7]</span></p>
 
-<strong>Output:</strong> 5
+<p><strong>Output:</strong> <span class="example-io">5</span></p>
 
-<strong>Explanation:</strong> The longest harmonious subsequence is [3,2,2,2,3].
+<p><strong>Explanation:</strong></p>
 
-</pre>
+<p>The longest harmonious subsequence is <code>[3,2,2,2,3]</code>.</p>
+</div>
 
 <p><strong class="example">Example 2:</strong></p>
 
-<pre>
+<div class="example-block">
+<p><strong>Input:</strong> <span class="example-io">nums = [1,2,3,4]</span></p>
 
-<strong>Input:</strong> nums = [1,2,3,4]
+<p><strong>Output:</strong> <span class="example-io">2</span></p>
 
-<strong>Output:</strong> 2
+<p><strong>Explanation:</strong></p>
 
-</pre>
+<p>The longest harmonious subsequences are <code>[1,2]</code>, <code>[2,3]</code>, and <code>[3,4]</code>, all of which have a length of 2.</p>
+</div>
 
 <p><strong class="example">Example 3:</strong></p>
 
-<pre>
+<div class="example-block">
+<p><strong>Input:</strong> <span class="example-io">nums = [1,1,1,1]</span></p>
 
-<strong>Input:</strong> nums = [1,1,1,1]
+<p><strong>Output:</strong> <span class="example-io">0</span></p>
 
-<strong>Output:</strong> 0
+<p><strong>Explanation:</strong></p>
 
-</pre>
+<p>No harmonic subsequence exists.</p>
+</div>
 
 <p>&nbsp;</p>
-
 <p><strong>Constraints:</strong></p>
 
 <ul>
-
-    <li><code>1 &lt;= nums.length &lt;= 2 * 10<sup>4</sup></code></li>
-
-    <li><code>-10<sup>9</sup> &lt;= nums[i] &lt;= 10<sup>9</sup></code></li>
-
+	<li><code>1 &lt;= nums.length &lt;= 2 * 10<sup>4</sup></code></li>
+	<li><code>-10<sup>9</sup> &lt;= nums[i] &lt;= 10<sup>9</sup></code></li>
 </ul>
 
 <!-- description:end -->

solution/1500-1599/1562.Find Latest Group of Size M/README.md

@@ -6,6 +6,7 @@ rating: 1928
 source: 第 203 场周赛 Q3
 tags:
     - 数组
+    - 哈希表
     - 二分查找
     - 模拟
 ---

solution/1500-1599/1562.Find Latest Group of Size M/README_EN.md

@@ -6,6 +6,7 @@ rating: 1928
 source: Weekly Contest 203 Q3
 tags:
     - Array
+    - Hash Table
     - Binary Search
     - Simulation
 ---

solution/1800-1899/1847.Closest Room/README.md

@@ -7,6 +7,7 @@ source: 第 51 场双周赛 Q4
 tags:
     - 数组
     - 二分查找
+    - 有序集合
     - 排序
 ---
 

solution/1800-1899/1847.Closest Room/README_EN.md

@@ -7,6 +7,7 @@ source: Biweekly Contest 51 Q4
 tags:
     - Array
     - Binary Search
+    - Ordered Set
     - Sorting
 ---