| 1 | Remove Duplicates from Sorted Array II - 删除有序数组中的重复项 II | C++ | Medium | 2021.4.6 |
| 2 | Search in Rotated Sorted Array II - 搜索旋转排序数组 II | C++ | Medium | 2021.4.7 |
| 3 | Find Minimum in Rotated Sorted Array - 寻找旋转排序数组中的最小值 | C++ | Medium | 2021.4.8 |
| 4 | Find Minimum in Rotated Sorted Array II - 寻找旋转排序数组中的最小值 II | C++ | Hard | 2021.4.9 |
| 5 | Ugly Number - 丑数 | C++ | Easy | 2021.4.10 |
| 6 | Ugly Number II - 丑数 II | C++ | Middle | 2021.4.11 |
| 7 | Add Two Numbers - 两数相加 | C++ | Middle | 2021.4.11 |
| 8 | Largest Number - 最大数 | C++ | Middle | 2021.4.12 |
| 9 | Minimum Distance Between BST Nodes - 二叉搜索树节点最小距离 | C++ | Easy | 2021.4.13 |
| 10 | Two Sum - 两数之和 | C++ | Easy | 2021.4.13 |
| 11 | Valid Parentheses - 有效的括号 | C++ | Easy | 2021.4.13 |
| 12 | Median of Two Sorted Arrays - 寻找两个正序数组的中位数 | C++ | Hard | 2021.4.13 |
| 13 | Implement Trie (Prefix Tree) - 实现 Trie (前缀树) | C++ | Middle | 2021.4.14 |
| 14 | House Robber II - 打家劫舍 II | C++ | Middle | 2021.4.15 |
| 15 | Sum of Subarray Minimums - 子数组的最小值之和 | C++ | Middle | 2021.4.15 |
| 16 | Scramble String - 扰乱字符串 | C++ | Hard | 2021.4.16 |
| 17 | Contains Duplicate III - 存在重复元素 III | C++ | Middle | 2021.4.17 |
| 18 | Longest Palindromic Substring - 最长回文子串 | C++ | Middle | 2021.4.17 |
| 19 | Remove Duplicates from Sorted Array - 删除有序数组中的重复项 | C++ | Easy | 2021.4.18 |
| 20 | Remove Element - 移除元素 | C++ | Easy | 2021.4.19 |
| 21 | Single-Threaded CPU - 单线程 CPU | C++ | Middle | 2021.4.18 |
| 22 | Check if the Sentence Is Pangram - 判断句子是否为全字母句 | C++ | Easy | 2021.4.18 |
| 23 | Maximum Ice Cream Bars - 雪糕的最大数量 | C++ | Middle | 2021.4.18 |
| 24 | Find XOR Sum of All Pairs Bitwise AND - 所有数对按位与结果的异或和 | C++ | Hard | 2021.4.18 |
| 25 | Minimum Operations to Make the Array Increasing - 最少操作使数组递增 | C++ | Easy | 2021.4.19 |
| 26 | Queries on Number of Points Inside a Circle - 统计一个圆中点的数目 | C++ | Middle | 2021.4.19 |
| 27 | Maximum XOR for Each Query - 每个查询的最大异或值 | C++ | Middle | 2021.4.19 |
| 28 | Implement strStr() - 实现 strStr() | Python3 | Easy | 2021.4.20 |
| 29 | Decode Ways - 解码方法 | Python3 | Middle | 2021.4.21 |
| 30 | Sign of the Product of an Array - 数组元素积的符号 | C++ | Easy | 2021.4.21 |
| 31 | Find the Winner of the Circular Game - 找出游戏的获胜者 | C++ | Middle | 2021.4.21 |
| 32 | Minimum Sideway Jumps - 最少侧跳次数 | C++ | Middle | 2021.4.21 |
| 33 | Max Sum of Rectangle No Larger Than K - 矩形区域不超过 K 的最大数值和 | C++ | Hard | 2021.4.22 |
| 34 | Largest Divisible Subset - 最大整除子集 | C++ | Middle | 2021.4.23 |
| 35 | Combination Sum IV - 组合总和 Ⅳ | C++ | Middle | 2021.4.24 |
| 36 | Path Crossing - 判断路径是否相交 | python3 | Easy | 2021.4.24 |
| 37 | Determine Color of a Chessboard Square - 判断国际象棋棋盘中一个格子的颜色 | python3 | Middle | 2021.4.24 |
| 38 | Sentence Similarity III - 句子相似性 III | python3 | Middle | 2021.4.24 |
| 39 | Count Nice Pairs in an Array - 统计一个数组中好对子的数目 | python3 | Middle | 2021.4.24 |
| 40 | Maximum Number of Groups Getting Fresh Donuts - 得到新鲜甜甜圈的最多组数 | C++ | Hard | 2021.4.24 |
| 41 | Finding MK Average - 求出 MK 平均值 | C++ | Hard | 2021.4.24 |
| 42 | Increasing Order Search Tree - 递增顺序搜索树 | python3 | Easy | 2021.4.25 |
| 43 | Remove All Adjacent Duplicates in String II - 删除字符串中的所有相邻重复项 II | python3 | Middle | 2021.4.25 |
| 44 | Capacity To Ship Packages Within D Days - 在 D 天内送达包裹的能力 | python3 | Middle | 2021.4.26 |
| 45 | Sum of Digits in Base K - 在K 进制表示下的各位数字总和 | python3 | Easy | 2021.4.26 |
| 46 | Frequency of the Most Frequent Element - 最高频元素的频数 | python3 | Middle | 2021.4.26 |
| 47 | Longest Substring Of All Vowels in Order - 所有元音按顺序排布的最长子字符串 | python3 | Middle | 2021.4.26 |
| 48 | Maximum Building Height - 最高建筑高度 | C++ | Hard | 2021.4.26 |
| 49 | 剑指 Offer 03. 数组中重复的数字 | python3 | Easy | 2021.4.26 |
| 50 | 二叉搜索树的范围和 - Range Sum of BST | python3 | Easy | 2021.4.27 |
| 51 | 平方数之和 - Sum of Square Numbers | python3 | Middle | 2021.4.28 |
| 52 | 三维形体的表面积 - Surface Area of 3D Shapes | python3 | Easy | 2021.4.28 |
| 53 | 青蛙过河 - Frog Jump | C++ | Hard | 2021.4.29 |
| 54 | 只出现一次的数字 - Single Number | C++ | Easy | 2021.4.30 |
| 55 | 只出现一次的数字 II - Single Number II | C++ | Middle | 2021.4.30 |
| 56 | 只出现一次的数字 III - Single Number III | C++ | Middle | 2021.4.30 |
| 57 | 员工的重要性 - Employee Importance | C++ | Easy | 2021.5.1 |
| 58 | 删除并获得点数 - Delete and Earn | C++ | Middle | 2021.5.5 |
| 59 | 解码异或后的数组 - Decode XORed Array | C++ | Easy | 2021.5.6 |
| 60 | Implement strStr() - 实现 strStr() | C++ | Easy | 2021.5.6 |
| 61 | Longest Common Prefix - 最长公共前缀 | C++ | Easy | 2021.5.6 |
| 62 | Longest Substring Without Repeating Characters - 无重复字符的最长子串 | C++ | Middle | 2021.5.6 |
| 63 | ZigZag Conversion - Z 字形变换 | C++ | Middle | 2021.5.6 |
| 64 | XOR Operation in an Array - 数组异或操作 | C++ | Easy | 2021.5.7 |
| 65 | Minimum Distance to the Target Element - 到目标元素的最小距离 | C++ | Easy | 2021.5.7 |
| 66 | Print in Order - 按序打印 | C++ | Easy | 2021.5.8 |
| 67 | Print FooBar Alternately - 交替打印FooBar | C++ | Middle | 2021.5.8 |
| 68 | Minimum Number of Days to Make m Bouquets - 制作 m 束花所需的最少天数 | C++ | Middle | 2021.5.9 |
| 69 | Leaf-Similar Trees - 叶子相似的树 | C++ | Easy | 2021.5.10 |
| 70 | Decode XORed Permutation - 解码异或后的排列 | C++ | Middle | 2021.5.11 |
| 71 | XOR Queries of a Subarray - 子数组异或查询 | C++ | Middle | 2021.5.12 |
| 72 | Number of Ways to Stay in the Same Place After Some Steps - 停在原地的方案数 | C++ | Hard | 2021.5.13 |
| 73 | Integer to Roman - 整数转罗马数字 | C++ | Middle | 2021.5.14 |
| 74 | Roman to Integer - 罗马数字转整数 | C++ | Easy | 2021.5.15 |
| 75 | Cousins in Binary Tree - 二叉树的堂兄弟节点 | C++ | Easy | 2021.5.17 |
| 76 | Count Triplets That Can Form Two Arrays of Equal XOR - 形成两个异或相等数组的三元组数目 | C++ | Middle | 2021.5.18 |
| 77 | Find Kth Largest XOR Coordinate Value - 找出第 K 大的异或坐标值 | C++ | Middle | 2021.5.19 |
| 78 | Top K Frequent Words - 前K个高频单词 | C++ | Middle | 2021.5.20 |
| 79 | Uncrossed Lines - 不相交的线 | C++ | Middle | 2021.5.21 |
| 80 | Chalkboard XOR Game - 黑板异或游戏 | C++ | Hard | 2021.5.22 |
| 81 | Finding Pairs With a Certain Sum - 找出和为指定值的下标对 | C++ | Middle | 2021.5.23 |
| 82 | Minimum Number of Swaps to Make the Binary String Alternating - 构成交替字符串需要的最小交换次数 | C++ | Middle | 2021.5.23 |
| 83 | Sum of All Subset XOR Totals - 找出所有子集的异或总和再求和 | C++ | Easy | 2021.5.23 |
| 84 | Reverse Substrings Between Each Pair of Parentheses - 反转每对括号间的子串 | C++ | Middle | 2021.5.26 |
| 85 | Hamming Distance - 汉明距离 | C++ | Easy | 2021.5.27 |
| 86 | Total Hamming Distance - 汉明距离总和 | C++ | Middle | 2021.5.28 |
| 87 | Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree - 找到最小生成树里的关键边和伪关键边 | C++ | Hard | 2021.5.28 |
| 88 | Min Cost to Connect All Points - 连接所有点的最小费用 | C++ | Middle | 2021.5.28 |
| 89 | Container With Most Water - 盛最多水的容器 | C++ | Middle | 2021.5.28 |
| 90 | 3Sum - 三数之和 | C++ | Middle | 2021.5.28 |
| 91 | Letter Combinations of a Phone Number - 电话号码的字母组合 | C++ | Middle | 2021.5.28 |
| 92 | Longer Contiguous Segments of Ones than Zeros - 哪种连续子字符串更长 | C++ | Easy | 2021.5.28 |
| 93 | Minimum Speed to Arrive on Time - 准时到达的列车最小时速 | C++ | Middle | 2021.5.28 |
| 94 | Number of Submatrices That Sum to Target - 元素和为目标值的子矩阵数量 | C++ | Hard | 2021.5.29 |
| 95 | Power of Two - 2 的幂 | C++ | Easy | 2021.5.30 |
| 96 | Check if the Sentence Is Pangram - 判断句子是否为全字母句 | C++ | Easy | 2021.5.30 |
| 97 | Maximum Value after Insertion - 插入后的最大值 | C++ | Middle | 2021.5.30 |
| 97 | Power of Four - 4的幂 | C++ | Easy | 2021.5.31 |
| 98 | Process Tasks Using Servers - 使用服务器处理任务 | C++ | Middle | 2021.5.31 |
| 99 | Replace All ?'s to Avoid Consecutive Repeating Characters - 替换所有的问号 | C++ | Easy | 2021.5.31 |
| 100 | Number of Ways Where Square of Number Is Equal to Product of Two Numbers - 数的平方等于两数乘积的方法数 | C++ | Middle | 2021.5.31 |
| 101 | Minimum Deletion Cost to Avoid Repeating Letters - 避免重复字母的最小删除成本 | C++ | Middle | 2021.5.31 |
| 102 | Remove Max Number of Edges to Keep Graph Fully Traversable - 保证图可完全遍历 | C++ | Hard | 2021.5.31 |
| 103 | Can You Eat Your Favorite Candy on Your Favorite Day? - 你能在你最喜欢的那天吃到你最喜欢的糖果吗? | C++ | Middle | 2021.6.1 |
| 104 | Merge k Sorted Lists - 合并K个升序链表 | C++ | Hard | 2021.6.1 |
| 105 | Longest Valid Parentheses - 最长有效括号 | C++ | Hard | 2021.6.1 |
| 106 | Remove Nth Node From End of List - 删除链表的倒数第 N 个结点 | C++ | Middle | 2021.6.1 |
| 107 | Merge Two Sorted Lists - 合并两个有序链表 | C++ | Easy | 2021.6.1 |
| 108 | Generate Parentheses - 括号生成 | C++ | Middle | 2021.6.1 |
| 109 | Generate Parentheses - 下一个排列 | C++ | Middle | 2021.6.1 |
| 110 | Search in Rotated Sorted Array - 搜索旋转排序数组 | C++ | Middle | 2021.6.1 |
| 111 | Find First and Last Position of Element in Sorted Array - 在排序数组中查找元素的第一个和最后一个位置 | C++ | Middle | 2021.6.1 |
| 112 | Permutations - 全排列 | C++ | Middle | 2021.6.1 |
| 113 | Rotate Image - 旋转图像 | C++ | Middle | 2021.6.1 |
| 114 | Group Anagrams - 字母异位词分组 | C++ | Middle | 2021.6.1 |
| 115 | Maximum Subarray - 最大子序和 | C++ | Easy | 2021.6.1 |
| 116 | Jump Game - 跳跃游戏 | C++ | Middle | 2021.6.1 |
| 117 | Merge Intervals - 合并区间 | C++ | Middle | 2021.6.1 |
| 118 | Continuous Subarray Sum - 连续的子数组和 | C++ | Middle | 2021.6.2 |
| 119 | Unique Paths - 不同路径 | C++ | Middle | 2021.6.2 |
| 119 | Minimum Path Sum - 最小路径和 | C++ | Middle | 2021.6.2 |
| 120 | Climbing Stairs - 爬楼梯 | C++ | Easy | 2021.6.2 |
| 121 | Contiguous Array - 连续数组 | C++ | Middle | 2021.6.3 |
| 122 | Daily Temperatures - 每日温度 | C++ | Middle | 2021.6.3 |
| 123 | Palindromic Substrings - 回文子串 | C++ | Middle | 2021.6.3 |
| 124 | Intersection of Two Linked Lists - 相交链表 | C++ | Easy | 2021.6.4 |
| 125 | Remove Linked List Elements - 移除链表元素 | C++ | Middle | 2021.6.5 |
| 126 | Target Sum - 目标和 | C++ | Middle | 2021.6.7 |
| 127 | Coin Change 2 - 零钱兑换 II | C++ | Middle | 2021.6.10 |
| 128 | Perfect Squares - 完全平方数 | C++ | Middle | 2021.6.11 |
| 129 | Determine Whether Matrix Can Be Obtained By Rotation - 判断矩阵经轮转后是否一致 | C++ | Easy | 2021.6.11 |
| 130 | Reduction Operations to Make the Array Elements Equal - 使数组元素相等的减少操作次数 | C++ | Middle | 2021.6.11 |
| 131 | First Bad Version - 第一个错误的版本 | C++ | Easy | 2021.6.13 |
| 132 | Redistribute Characters to Make All Strings Equal - 重新分配字符使所有字符串都相等 | C++ | Easy | 2021.6.13 |
| 133 | Guess Number Higher or Lower - 猜数字大小 | C++ | Easy | 2021.6.14 |
| 134 | Peak Index in a Mountain Array - 山脉数组的峰顶索引 | C++ | Easy | 2021.6.15 |
| 135 | Valid Number - 有效数字 | C++ | Hard | 2021.6.17 |
| 136 | Smallest Good Base - 最小好进制 | C++ | Hard | 2021.6.18 |
| 137 | Check if All the Integers in a Range Are Covered - 检查是否区域内所有整数都被覆盖 | C++ | Easy | 2021.6.18 |
| 138 | Find the Student that Will Replace the Chalk - 找到需要补充粉笔的学生编号 | C++ | Middle | 2021.6.18 |
| 139 | Largest Magic Square - 最大的幻方 | C++ | Middle | 2021.6.18 |
| 140 | Maximum Length of a Concatenated String with Unique Characters - 串联字符串的最大长度 | C++ | Middle | 2021.6.19 |
| 141 | 下载插件 | C++ | Easy | 2021.6.19 |
| 142 | 完成一半题目 | C++ | Easy | 2021.6.19 |
| 143 | 主题空间 | C++ | Middle | 2021.6.19 |
| 144 | Count of Matches in Tournament - 比赛中的配对次数 | C++ | Easy | 2021.6.19 |
| 145 | Partitioning Into Minimum Number Of Deci-Binary Numbers - 十-二进制数的最少数目 | C++ | Middle | 2021.6.19 |
| 146 | Stone Game VII - 石子游戏 VII | C++ | Middle | 2021.6.19 |
| 143 | Maximum Height by Stacking Cuboids - 堆叠长方体的最大高度 | C++ | Hard | 2021.6.19 |
| 144 | Largest Odd Number in String - 字符串中的最大奇数 | C++ | Easy | 2021.6.20 |
| 145 | The Number of Full Rounds You Have Played - 你完成的完整对局数 | C++ | Middle | 2021.6.20 |
| 146 | Binary Watch - 二进制手表 | C++ | Easy | 2021.6.21 |
| 147 | Offer-38 LCOF - 剑指 Offer 38. 字符串的排列 | C++ | Middle | 2021.6.22 |
| 148 | Dice Roll Simulation - 掷骰子模拟 | C++ | Hard | 2021.6.23 |
| 149 | Network Delay Time - 网络延迟时间 | C++ | Middle | 2021.6.24 |
| 150 | Queens That Can Attack the King - 可以攻击国王的皇后 | C++ | Middle | 2021.6.24 |
| 151 | Shortest Palindrome - 最短回文串 | C++ | Hard | 2021.6.24 |
| 152 | Split a String in Balanced Strings - 分割平衡字符串 | C++ | Easy | 2021.6.24 |
| 153 | Display Table of Food Orders in a Restaurant - 点菜展示表 | C++ | Middle | 2021.7.6 |
| 154 | Build Array from Permutation - 基于排列构建数组 | C++ | Easy | 2021.7.6 |
| 155 | Eliminate Maximum Number of Monsters - 消灭怪物的最大数量 | C++ | Easy | 2021.7.6 |
| 156 | Count Good Meals - 大餐计数 | C++ | Middle | 2021.7.7 |
| 157 | Binary Subarrays With Sum - 和相同的二元子数组 | C++ | Middle | 2021.7.8 |
| 158 | Combination Sum - 组合总和 | C++ | Middle | 2021.7.8 |
| 159 | Sort Colors - 颜色分类 | C++ | Middle | 2021.7.8 |
| 160 | Find Majority Element LCCI - 主要元素 | C++ | Easy | 2021.7.9 |
| 161 | Binary Search - 二分查找 | C++ | Easy | 2021.7.9 |
| 162 | Search Insert Position - 搜索插入位置 | C++ | Easy | 2021.7.9 |
| 163 | Maximum Product Difference Between Two Pairs - 两个数对之间的最大乘积差 | C++ | Easy | 2021.7.9 |
| 164 | Cyclically Rotating a Grid - 循环轮转矩阵 | C++ | Middle | 2021.7.9 |
| 165 | Number of Wonderful Substrings - 最美子字符串的数目 | C++ | Middle | 2021.7.9 |
| 166 | Time Based Key-Value Store - 基于时间的键值存储 | C++ | Middle | 2021.7.10 |
| 167 | Fibonacci Number - 斐波那契数 | C++ | Easy | 2021.7.10 |
| 168 | N-th Tribonacci Number - 第 N 个泰波那契数 | C++ | Easy | 2021.7.10 |
| 169 | Min Cost Climbing Stairs - 使用最小花费爬楼梯 | C++ | Easy | 2021.7.10 |
| 170 | Subsets - 子集 | C++ | Middle | 2021.7.10 |
| 171 | Word Search - 单词搜索 | C++ | Middle | 2021.7.10 |
| 172 | Unique Binary Search Trees - 不同的二叉搜索树 | C++ | Middle | 2021.7.10 |
| 173 | Validate Binary Search Tree - 验证二叉搜索树 | C++ | Middle | 2021.7.10 |
| 174 | Binary Tree Level Order Traversal - 二叉树的层序遍历 | C++ | Middle | 2021.7.10 |
| 175 | Construct Binary Tree from Preorder and Inorder Traversal - 从前序与中序遍历序列构造二叉树 | C++ | Middle | 2021.7.10 |
| 176 | Flatten Binary Tree to Linked List - 二叉树展开为链表 | C++ | Middle | 2021.7.10 |
| 177 | Task Scheduler - 任务调度器 | C++ | Middle | 2021.7.10 |
| 178 | Shortest Unsorted Continuous Subarray - 最短无序连续子数组 | C++ | Middle | 2021.7.10 |
| 179 | Subarray Sum Equals K - 和为K的子数组 | C++ | Middle | 2021.7.10 |
| 180 | Convert BST to Greater Tree - 把二叉搜索树转换为累加树 | C++ | Middle | 2021.7.10 |
| 181 | Find All Anagrams in a String - 找到字符串中所有字母异位词 | C++ | Middle | 2021.7.10 |
| 182 | Path Sum III - 路径总和 III | C++ | Middle | 2021.7.10 |
| 183 | Path Sum III - 路径总和 III | C++ | Middle | 2021.7.10 |
| 184 | Count Square Sum Triples - 统计平方和三元组的数目 | C++ | Easy | 2021.7.10 |
| 185 | Nearest Exit from Entrance in Maze - 迷宫中离入口最近的出口 | C++ | Middle | 2021.7.10 |
| 186 | Sum Game - 求和游戏 | C++ | Middle | 2021.7.10 |
| 187 | Concatenation of Array - 数组串联 | C++ | Easy | 2021.7.11 |
| 188 | Unique Length-3 Palindromic Subsequences - 长度为 3 的不同回文子序列 | C++ | Middle | 2021.7.11 |
| 189 | Painting a Grid With Three Different Colors - 用三种不同颜色为网格涂色 | C++ | Hard | 2021.7.11 |
| 190 | H-Index - H 指数 | C++ | Middle | 2021.7.11 |
| 191 | Merge BSTs to Create Single BST - 合并多棵二叉搜索树 | C++ | Hard | 2021.7.11 |
| 192 | H-Index II - H 指数 II | C++ | Middle | 2021.7.12 |
| 193 | Maximum Element After Decreasing and Rearranging - 减小和重新排列数组后的最大元素 | C++ | Middle | 2021.7.15 |
| 194 | Find All Good Strings - 找到所有好字符串 | C++ | Easy | 2021.7.15 |
| 195 | Count Number of Teams - 统计作战单位数 | C++ | Middle | 2021.7.15 |
| 196 | Design Underground System - 设计地铁系统 | C++ | Middle | 2021.7.15 |
| 197 | Maximum Number of Words You Can Type - 可以输入的最大单词数 | C++ | Easy | 2021.7.18 |
| 198 | Add Minimum Number of Rungs - 新增的最少台阶数 | C++ | Middle | 2021.7.18 |
| 199 | Maximum Number of Points with Cost - 扣分后的最大得分 | C++ | Middle | 2021.7.18 |
| 200 | Group Anagrams LCCI - 面试题 10.02. 变位词组 | C++ | Middle | 2021.7.18 |
| 201 | Minimize Maximum Pair Sum in Array - 数组中最大数对和的最小值 | C++ | Middle | 2021.7.20 |
| 202 | House Robber - 打家劫舍 | C++ | Middle | 2021.7.20 |
| 203 | Jump Game II - 跳跃游戏 II | C++ | Middle | 2021.7.20 |
| 204 | Maximum Sum Circular Subarray - 环形子数组的最大和 | C++ | Middle | 2021.7.20 |
| 205 | Maximum Product Subarray - 乘积最大子数组 | C++ | Middle | 2021.7.20 |
| 206 | Best Sightseeing Pair - 最佳观光组合 | C++ | Middle | 2021.7.21 |
| 207 | Best Time to Buy and Sell Stock - 买卖股票的最佳时机 | C++ | Easy | 2021.7.21 |
| 208 | Best Time to Buy and Sell Stock II - 买卖股票的最佳时机 II | C++ | Easy | 2021.7.21 |
| 209 | Best Time to Buy and Sell Stock with Cooldown - 最佳买卖股票时机含冷冻期 | C++ | Middle | 2021.7.21 |
| 210 | Best Time to Buy and Sell Stock with Transaction Fee - 买卖股票的最佳时机含手续费 | C++ | Middle | 2021.7.21 |
| 211 | Latest Time by Replacing Hidden Digits - 替换隐藏数字得到的最晚时间 | C++ | Easy | 2021.7.24 |
| 212 | Trapping Rain Water - 接雨水 | C++ | Hard | 2021.7.24 |
| 213 | Arithmetic Slices - 等差数列划分 | C++ | Middle | 2021.7.24 |
| 214 | Restore the Array From Adjacent Pairs - 从相邻元素对还原数组 | C++ | Middle | 2021.7.25 |
| 215 | Excel Sheet Column Number - Excel 表列序号 | C++ | Easy | 2021.7.30 |
| 216 | The K Weakest Rows in a Matrix - 矩阵中战斗力最弱的 K 行 | C++ | Easy | 2021.8.1 |
| 217 | Three Divisors - 三除数 | C++ | Easy | 2021.8.1 |
| 218 | Maximum Number of Weeks for Which You Can Work - 你可以工作的最大周数 | C++ | Middle | 2021.8.1 |
| 219 | Minimum Garden Perimeter to Collect Enough Apples - 收集足够苹果的最小花园周长 | C++ | Middle | 2021.8.1 |
| 220 | Count Number of Special Subsequences - 统计特殊子序列的数目 | C++ | Hard | 2021.8.1 |
| 221 | Search a 2D Matrix - 搜索二维矩阵 | C++ | Middle | 2021.8.2 |
| 222 | 3Sum Closest - 最接近的三数之和 | C++ | Middle | 2021.8.2 |
| 223 | Minimum Number of Swaps to Make the String Balanced - 使字符串平衡的最小交换次数 | C++ | Middle | 2021.8.8 |
| 224 | Remove Stones to Minimize the Total - 移除石子使总数最小 | C++ | Middle | 2021.8.8 |
| 225 | Check If String Is a Prefix of Array - 检查字符串是否为数组前缀 | C++ | Easy | 2021.8.8 |
| 226 | Check if Move is Legal - 检查操作是否合法 | C++ | Middle | 2021.8.8 |
| 227 | Delete Characters to Make Fancy String - 删除字符使字符串变好 | C++ | Easy | 2021.8.8 |
| 228 | Valid Triangle Number - 有效三角形的个数s | C++ | Middle | 2021.8.8 |
| 229 | Super Ugly Number - 超级丑数 | C++ | Middle | 2021.8.9 |
| 230 | Arithmetic Slices II - Subsequence - 等差数列划分 II - 子序列 | C++ | Hard | 2021.8.11 |
| 231 | Array With Elements Not Equal to Average of Neighbors - 构造元素不等于两相邻元素平均值的数组 | C++ | Middle | 2021.8.15 |
| 232 | Minimum Non-Zero Product of the Array Elements - 数组元素的最小非零乘积 | C++ | Middle | 2021.8.15 |
| 234 | Number of Strings That Appear as Substrings in Word - 作为子字符串出现在单词中的字符串数目 | C++ | Easy | 2021.8.15 |
| 235 | Beautiful Arrangement - 优美的排列 | C++ | Middle | 2021.8.16 |
| 236 | Student Attendance Record I - 学生出勤记录 I | C++ | Easy | 2021.8.17 |
| 237 | Reverse Integer - 整数反转 I | C++ | Easy | 2021.8.17 |
| 238 | String to Integer (atoi) - 字符串转换整数 (atoi) | C++ | Middle | 2021.8.17 |
| 239 | Remove Duplicates from Sorted List II - 删除排序链表中的重复元素 II | C++ | Middle | 2021.8.17 |
| 240 | Student Attendance Record II - 学生出勤记录 II | C++ | Hard | 2021.8.18 |
| 241 | Reverse String II - 反转字符串 II | C++ | Easy | 2021.8.20 |
| 242 | String Compression - 压缩字符串 | C++ | Middle | 2021.8.21 |
| 243 | Find Unique Binary String - 找出不同的二进制字符串 | C++ | Middle | 2021.8.21 |
| 244 | Find Greatest Common Divisor of Array - 找出数组的最大公约数 | C++ | Easy | 2021.8.21 |
| 245 | Get Maximum in Generated Array - 获取生成数组中的最大值 | C++ | Easy | 2021.8.23 |
| 246 | Minimum Difference Between Highest and Lowest of K Scores - 学生分数的最小差值 | C++ | Easy | 2021.8.29 |
| 247 | Find the Kth Largest Integer in the Array - 找出数组中的第 K 大整数 | C++ | Middle | 2021.8.29 |
| 248 | Minimum Number of Work Sessions to Finish the Tasks - 完成任务的最少工作时间段 | C++ | Middle | 2021.8.29 |
| 249 | Number of Unique Good Subsequences - 不同的好子序列数目 | C++ | Hard | 2021.8.29 |
| 250 | Random Pick with Weight - 按权重随机选择 | C++ | Middle | 2021.8.30 |
| 251 | Power of Three - 3的幂 | C++ | Easy | 2021.9.23 |
| 252 | Convert 1D Array Into 2D Array - 将一维数组转变成二维数组 | C++ | Easy | 2021.10.2 |
| 253 | Number of Pairs of Strings With Concatenation Equal to Target - 连接后等于目标字符串的字符串对 | C++ | Middle | 2021.10.2 |
| 254 | Third Maximum Number - 第三大的数 | C++ | Easy | 2021.10.6 |
| 255 | Fizz Buzz | C++ | Easy | 2021.10.12 |
| 256 | Count and Say - 外观数列 | C++ | Middle | 2021.10.15 |
| 257 | Kth Smallest Element in a BST - 二叉搜索树中第K小的元素 | C++ | Middle | 2021.10.17 |
| 258 | Number Complement - 数字的补数 | C++ | Easy | 2021.10.18 |
| 259 | Minimum Moves to Equal Array Elements - 最小操作次数使数组元素相等 | C++ | Easy | 2021.10.20 |
| 260 | Construct Binary Tree from Inorder and Postorder Traversal - 从中序与后序遍历序列构造二叉树 | C++ | Middle | 2021.10.20 |
| 261 | Convert Sorted Array to Binary Search Tree - 将有序数组转换为二叉搜索树 | C++ | Middle | 2021.10.20 |
| 262 | Convert Sorted List to Binary Search Tree - 有序链表转换二叉搜索树 | C++ | Middle | 2021.10.20 |
| 263 | Sort List - 排序链表 | C++ | Middle | 2021.10.20 |
| 264 | Majority Element - 多数元素 | C++ | Easy | 2021.10.20 |
| 265 | Reverse Bits - 颠倒二进制位 | C++ | Easy | 2021.10.20 |
| 266 | Plus One - 加一 | C++ | Easy | 2021.10.21 |
| 267 | Kth Largest Element in an Array - 数组中的第K个最大元素 | C++ | Middle | 2021.10.21 |
| 268 | Search a 2D Matrix II - 搜索二维矩阵 II | C++ | Middle | 2021.10.21 |
| 269 | Count of Smaller Numbers After Self - 计算右侧小于当前元素的个数 | C++ | Hard | 2021.10.21 |
| 270 | Construct the Rectangle - 构造矩形 | C++ | Easy | 2021.10.23 |
| 271 | Next Greater Element I - 下一个更大元素 I | C++ | Easy | 2021.10.26 |
| 272 | Next Greater Element II - 下一个更大元素 II | C++ | Middle | 2021.10.26 |
| 273 | Next Greater Element III - 下一个更大元素 III | C++ | Middle | 2021.10.26 |
| 274 | Self Crossing - 路径交叉 | C++ | Hard | 2021.10.29 |
| 275 | Keyboard Row - 键盘行 | C++ | Easy | 2021.10.31 |
| 276 | Distribute Candies - 分糖果 | C++ | Easy | 2021.11.1 |
| 277 | Delete Node in a Linked List - 删除链表中的节点 | C++ | Easy | 2021.11.2 |
| 278 | Find the Minimum and Maximum Number of Nodes Between Critical Points - 找出临界点之间的最小和最大距离 | C++ | Middle | 2021.11.2 |
| 279 | Smallest Index With Equal Value - 值相等的最小索引 | C++ | Easy | 2021.11.2 |
| 280 | Valid Perfect Square - 有效的完全平方数 | C++ | Easy | 2021.11.4 |
| 281 | Detect Capital - 检测大写字母 | C++ | Easy | 2021.11.13 |
| 282 | Interleaving String - 交错字符串 | C++ | Middle | 2022.1.1 |
| 283 | Triangle - 三角形最小路径和 | C++ | Middle | 2022.1.1 |
| 284 | Pascal's Triangle - 杨辉三角 | C++ | Easy | 2022.1.2 |
| 285 | Pascal's Triangle II - 杨辉三角 II | C++ | Easy | 2022.1.2 |
| 286 | Counting Bits - 比特位计数 | C++ | Easy | 2022.1.2 |
| 287 | Is Subsequence - 判断子序列 | C++ | Easy | 2022.1.2 |
| 288 | Check if All A's Appears Before All B's - 检查是否所有 A 都在 B 之前 | C++ | Easy | 2022.1.2 |
| 289 | Number of Laser Beams in a Bank - 银行中的激光束数量 | C++ | Middle | 2022.1.2 |
| 290 | Destroying Asteroids - 摧毁小行星 | C++ | Middle | 2022.1.2 |
| 291 | Keep Multiplying Found Values by Two - 将找到的值乘以 2 | C++ | Easy | 2022.1.30 |
| 292 | All Divisions With the Highest Score of a Binary Array - 分组得分最高的所有下标 | C++ | Middle | 2022.1.30 |
| 293 | Find Substring With Given Hash Value - 查找给定哈希值的子串 | C++ | Middle | 2022.1.30 |
| 294 | Groups of Strings - 字符串分组 | C++ | Hard | 2022.1.30 |
| 295 | Count Elements With Strictly Smaller and Greater Elements - 元素计数 | C++ | Easy | 2022.1.31 |
| 296 | Rearrange Array Elements by Sign - 按符号重排数组 | C++ | Middle | 2022.1.31 |
| 297 | Find All Lonely Numbers in the Array - 找出数组中的所有孤独数字 | C++ | Middle | 2022.1.31 |
| 298 | Maximum Good People Based on Statements - 基于陈述统计最多好人数 | C++ | Hard | 2022.1.31 |
| 299 | hortest Path in Binary Matrix - 二进制矩阵中的最短路径 | C++ | Middle | 2022.2.1 |
| 300 | Largest Values From Labels - 受标签影响的最大值 | C++ | Middle | 2022.2.1 |
| 301 | Duplicate Zeros - 复写零 | C++ | Easy | 2022.2.1 |
| 302 | Convert Integer to the Sum of Two No-Zero Integers - 将整数转换为两个无零整数的和 | C++ | Easy | 2022.2.3 |
| 303 | Minimum Flips to Make a OR b Equal to c - 或运算的最小翻转次数 | C++ | Middle | 2022.2.3 |
| 304 | Number of Operations to Make Network Connected - 连通网络的操作次数 | C++ | Middle | 2022.2.3 |
| 305 | Minimum Distance to Type a Word Using Two Fingers - 二指输入的的最小距离 | C++ | Hard | 2022.2.3 |
| 306 | Count Odd Numbers in an Interval Range - 在区间范围内统计奇数数目 | C++ | Easy | 2022.2.4 |
| 307 | Number of Sub-arrays With Odd Sum - 和为奇数的子数组数目 | C++ | Middle | 2022.2.4 |
| 308 | Number of Good Ways to Split a String - 字符串的好分割数目 | C++ | Middle | 2022.2.4 |
| 309 | Minimum Number of Increments on Subarrays to Form a Target Array - 形成目标数组的子数组最少增加次数 | C++ | Hard | 2022.2.4 |
| 310 | Find the Distance Value Between Two Arrays - 两个数组间的距离值 | C++ | Easy | 2022.2.5 |
| 311 | Cinema Seat Allocation - 安排电影院座位 | C++ | Middle | 2022.2.5 |
| 312 | Sort Integers by The Power Value - 将整数按权重排序 | C++ | Middle | 2022.2.5 |
| 313 | Pizza With 3n Slices - 3n 块披萨 | C++ | Hard | 2022.2.5 |
| 314 | Edit Distance - 编辑距离 | C++ | Hard | 2022.2.5 |
| 315 | Minimum Sum of Four Digit Number After Splitting Digits - 拆分数位后四位数字的最小和 | C++ | Easy | 2022.2.5 |
| 316 | Partition Array According to Given Pivot - 根据给定数字划分数组 | C++ | Middle | 2022.2.5 |
| 317 | Minimum Cost to Set Cooking Time - 设置时间的最少代价 | C++ | Middle | 2022.2.5 |
| 318 | Minimum Difference in Sums After Removal of Elements - 删除元素后和的最小差值 | C++ | Hard | 2022.2.5 |
| 319 | Sort Even and Odd Indices Independently - 对奇偶下标分别排序 | C++ | Easy | 2022.2.6 |
| 320 | Smallest Value of the Rearranged Number - 重排数字的最小值 | C++ | Middle | 2022.2.6 |
| 321 | Design Bitset - 设计位集 | C++ | Middle | 2022.2.6 |
| 322 | Minimum Time to Remove All Cars Containing Illegal Goods - 移除所有载有违禁货物车厢所需的最少时间 | C++ | Hard | 2022.2.6 |
| 323 | Minimum Swaps to Make Strings Equal - 交换字符使得字符串相同 | C++ | Middle | 2022.2.7 |
| 324 | Count Number of Nice Subarrays - 统计「优美子数组」 | C++ | Middle | 2022.2.7 |
| 325 | Minimum Remove to Make Valid Parentheses - 移除无效的括号 | C++ | Middle | 2022.2.7 |
| 326 | Check If It Is a Good Array - 检查「好数组」 | C++ | Middle | 2022.2.7 |
| 327 | Decompress Run-Length Encoded List - 解压缩编码列表 | C++ | Easy | 2022.2.8 |
| 328 | Matrix Block Sum - 矩阵区域和 | C++ | Middle | 2022.2.8 |
| 329 | Sum of Nodes with Even-Valued Grandparent - 祖父节点值为偶数的节点和 | C++ | Middle | 2022.2.8 |
| 330 | Distinct Echo Substrings - 不同的循环子字符串 | C++ | Hard | 2022.2.8 |
| 331 | Grid Illumination - 网格照明 | C++ | Hard | 2022.2.9 |
| 332 | Sort Array By Parity - 按奇偶排序数组 | C++ | Easy | 2022.2.9 |
| 333 | Fruit Into Baskets - 水果成篮 | C++ | Middle | 2022.2.9 |
| 334 | Sum of Subarray Minimums - 子数组的最小值之和 | C++ | Middle | 2022.2.9 |
| 335 | Super Palindromes - 超级回文数 | C++ | Hard | 2022.2.9 |
| 336 | Rotate List - 旋转链表 | C++ | Middle | 2022.2.9 |
| 337 | Spiral Matrix II - 螺旋矩阵 II | C++ | Middle | 2022.2.9 |
| 338 | Spiral Matrix - 螺旋矩阵 | C++ | Middle | 2022.2.9 |
| 339 | Multiply Strings - 字符串相乘 | C++ | Middle | 2022.2.9 |
| 340 | Palindrome Number - 回文数 | C++ | Easy | 2022.2.9 |
| 341 | Merge Sorted Array - 合并两个有序数组 | C++ | Easy | 2022.2.9 |
| 342 | Gray Code - 格雷编码 | C++ | Middle | 2022.2.9 |
| 343 | Maximum Depth of Binary Tree - 二叉树的最大深度 | C++ | Easy | 2022.2.9 |
| 344 | Binary Tree Maximum Path Sum - 二叉树中的最大路径和 | C++ | Hard | 2022.2.9 |
| 345 | Linked List Cycle - 环形链表 | C++ | Easy | 2022.2.9 |
| 346 | Linked List Cycle - 环形链表 | C++ | Middle | 2022.2.10 |
| 347 | Linked List Cycle II - 环形链表 II | C++ | Middle | 2022.2.10 |
| 348 | Count Operations to Obtain Zero - 得到 0 的操作数 | C++ | Easy | 2022.2.13 |
| 349 | Minimum Operations to Make the Array Alternating - 使数组变成交替数组的最少操作数 | C++ | Middle | 2022.2.13 |
| 350 | Removing Minimum Number of Magic Beans - 拿出最少数目的魔法豆 | C++ | Middle | 2022.2.13 |
| 351 | Maximum AND Sum of Array - 数组的最大与和 | C++ | Hard | 2022.2.13 |
| 352 | Last Stone Weight - 最后一块石头的重量 | C++ | Easy | 2022.2.14 |
| 353 | Remove All Adjacent Duplicates In String - 删除字符串中的所有相邻重复项 | C++ | Easy | 2022.2.14 |
| 354 | Longest String Chain - 最长字符串链 | C++ | Middle | 2022.2.14 |
| 355 | Last Stone Weight II - 最后一块石头的重量 II | C++ | Middle | 2022.2.14 |
| 356 | Lucky Numbers in a Matrix - 矩阵中的幸运数 | C++ | Easy | 2022.2.15 |
| 357 | Maximum Ascending Subarray Sum - 最大升序子数组和 | C++ | Easy | 2022.2.15 |
| 358 | Number of Orders in the Backlog - 积压订单中的订单总数 | C++ | Middle | 2022.2.15 |
| 359 | Maximum Value at a Given Index in a Bounded Array - 有界数组中指定下标处的最大值 | C++ | Middle | 2022.2.15 |
| 360 | Finding 3-Digit Even Numbers - 找出 3 位偶数 | C++ | Easy | 2022.2.16 |
| 361 | Delete the Middle Node of a Linked List - 删除链表的中间节点 | C++ | Middle | 2022.2.16 |
| 362 | Step-By-Step Directions From a Binary Tree Node to Another - 从二叉树一个节点到另一个节点每一步的方向 | C++ | Middle | 2022.2.16 |
| 363 | Valid Arrangement of Pairs - 合法重新排列数对 | C++ | Hard | 2022.2.16 |
| 364 | Knight Probability in Chessboard - 骑士在棋盘上的概率 | C++ | Middle | 2022.2.17 |
| 365 | Find Center of Star Graph - 找出星型图的中心节点 | C++ | Easy | 2022.2.18 |
| 366 | Pancake Sorting - 煎饼排序 | C++ | Middle | 2022.2.19 |
| 367 | 1-bit and 2-bit Characters - 1比特与2比特字符 | C++ | Easy | 2022.2.20 |
| 368 | Minimum Window Substring - 最小覆盖子串 | C++ | Hard | 2022.2.20 |
| 369 | Push Dominoes - 推多米诺 | C++ | Middle | 2022.2.21 |
| 370 | Count Integers With Even Digit Sum - 统计各位数字之和为偶数的整数个数 | C++ | Easy | 2022.2.21 |
| 371 | Merge Nodes in Between Zeros - 合并零之间的节点 | C++ | Middle | 2022.2.21 |
| 372 | Construct String With Repeat Limit - 构造限制重复的字符串 | C++ | Middle | 2022.2.21 |
| 373 | Count Array Pairs Divisible by K - 统计可以被 K 整除的下标对数目 | C++ | Hard | 2022.2.21 |
| 374 | Binary Tree Inorder Traversal - 二叉树的中序遍历 | C++ | Easy | 2022.2.22 |
| 375 | Maximal Rectangle - 最大矩形 | C++ | Hard | 2022.2.23 |
| 376 | Largest Rectangle in Histogram - 柱状图中最大的矩形 | C++ | Hard | 2022.2.23 |
| 377 | Symmetric Tree - 对称二叉树 | C++ | Easy | 2022.2.23 |
| 378 | Longest Consecutive Sequence - 最长连续序列 | C++ | Middle | 2022.2.23 |
| 379 | Word Break - 单词拆分 | C++ | Middle | 2022.2.23 |
| 380 | Reverse Linked List - 反转链表 | C++ | Easy | 2022.2.24 |
| 381 | Contains Duplicate - 存在重复元素 | C++ | Easy | 2022.2.24 |
| 382 | Lowest Common Ancestor of a Binary Search Tree - 二叉搜索树的最近公共祖先 | C++ | Easy | 2022.2.24 |
| 382 | Lowest Common Ancestor of a Binary Tree - 二叉树的最近公共祖先 | C++ | Middle | 2022.2.24 |
| 383 | Product of Array Except Self - 除自身以外数组的乘积 | C++ | Middle | 2022.2.24 |
| 384 | Nim Game - Nim 游戏 | C++ | Easy | 2022.2.24 |
| 385 | Reverse String - 反转字符串 | C++ | Easy | 2022.2.24 |
| 386 | Reverse String III - 反转字符串 III | C++ | Easy | 2022.2.24 |
| 387 | Complex Number Multiplication - 复数乘法 | C++ | Middle | 2022.2.25 |
| 388 | Optimal Division - 最优除法 | C++ | Middle | 2022.2.27 |
| 389 | Counting Words With a Given Prefix | C++ | Easy | 2022.2.27 |
| 390 | Minimum Number of Steps to Make Two Strings Anagram II | C++ | Middle | 2022.2.27 |
| 391 | Minimum Time to Complete Trips | C++ | Middle | 2022.2.27 |
| 392 | Minimum Time to Finish the Race | C++ | Hard | 2022.2.27 |
| 393 | Maximum Width of Binary Tree | C++ | Middle | 2022.2.28 |
| 394 | Maximum Number of Achievable Transfer Requests - 最多可达成的换楼请求数目 | C++ | Hard | 2022.2.28 |
| 395 | Summary Ranges - 汇总区间 | C++ | Easy | 2022.3.1 |
| 396 | Merge Strings Alternately - 交替合并字符串 | C++ | Easy | 2022.3.1 |
| 397 | Minimum Number of Operations to Move All Balls to Each Box - 移动所有球到每个盒子所需的最小操作数 | C++ | Middle | 2022.3.1 |
| 398 | Maximum Score from Performing Multiplication Operations - 执行乘法运算的最大分数 | C++ | Middle | 2022.3.1 |
| 399 | Maximize Palindrome Length From Subsequences - 由子序列构造的最长回文串的长度 | C++ | Hard | 2022.3.1 |
| 400 | Add Digits - 各位相加 | C++ | Easy | 2022.3.3 |
| 401 | N-Queens - N 皇后 | C++ | Hard | 2022.3.3 |
| 402 | Number of Provinces | C++ | Middle | 2022.3.3 |
| 403 | Sum of Subarray Ranges - 子数组范围和 | C++ | Middle | 2022.3.4 |
| 404 | Decrypt String from Alphabet to Integer Mapping - 解码字母到整数映射 | C++ | Easy | 2022.3.4 |
| 405 | Get Watched Videos by Your Friends - 获取你好友已观看的视频 | C++ | Middle | 2022.3.4 |
| 406 | Minimum Insertion Steps to Make a String Palindrome - 让字符串成为回文串的最少插入次数 | C++ | Hard | 2022.3.4 |
| 407 | Cells in a Range on an Excel Sheet - Excel 表中某个范围内的单元格 | C++ | Easy | 2022.3.6 |
| 408 | Append K Integers With Minimal Sum - 向数组中追加 K 个整数 | C++ | Middle | 2022.3.6 |
| 409 | Create Binary Tree From Descriptions - 根据描述创建二叉树 | C++ | Middle | 2022.3.6 |
| 410 | Replace Non-Coprime Numbers in Array - 替换数组中的非互质数 | C++ | Hard | 2022.3.6 |
| 411 | Base 7 - 七进制数 | C++ | Easy | 2022.3.7 |
| 412 | Most Frequent Number Following Key In an Array - 数组中紧跟 key 之后出现最频繁的数字 | C++ | Easy | 2022.3.7 |
| 413 | Sort the Jumbled Numbers - 数组中紧跟 key 将杂乱无章的数字排序 | C++ | Middle | 2022.3.7 |
| 414 | Plates Between Candles - 蜡烛之间的盘子 | C++ | Middle | 2022.3.8 |
| 415 | N-ary Tree Preorder Traversal - N 叉树的前序遍历 | C++ | Easy | 2022.3.10 |
| 416 | Count Nodes With the Highest Score - 统计最高分的节点数目 | C++ | Middle | 2022.3.11 |
| 417 | Regular Expression Matching - 正则表达式匹配 | C++ | Hard | 2022.3.11 |
| 418 | Merge Two Binary Trees - 合并二叉树 | C++ | Easy | 2022.3.11 |
| 419 | Diameter of Binary Tree - 二叉树的直径 | C++ | Easy | 2022.3.11 |
| 420 | Find All Numbers Disappeared in an Array - 找到所有数组中消失的数字 | C++ | Easy | 2022.3.11 |
| 421 | Partition Equal Subset Sum - 分割等和子集 | C++ | Middle | 2022.3.11 |
| 422 | Queue Reconstruction by Height - 根据身高重建队列 | C++ | Middle | 2022.3.11 |
| 423 | N-ary Tree Postorder Traversal - N 叉树的后序遍历 | C++ | Easy | 2022.3.12 |
| 424 | First Missing Positive - 缺失的第一个正数 | C++ | Hard | 2022.3.12 |
| 425 | Wildcard Matching - 通配符匹配 | C++ | Hard | 2022.3.12 |
| 426 | Distinct Subsequences - 不同的子序列 | C++ | Hard | 2022.3.12 |
| 427 | Best Time to Buy and Sell Stock III - 买卖股票的最佳时机 III | C++ | Hard | 2022.3.12 |
| 428 | Palindrome Partitioning II - 分割回文串 II | C++ | Hard | 2022.3.12 |
| 429 | Word Break II - 单词拆分 II | C++ | Hard | 2022.3.12 |
| 430 | Dungeon Game - 地下城游戏 | C++ | Hard | 2022.3.13 |
| 431 | UTF-8 Validation - UTF-8 编码验证 | C++ | Middle | 2022.3.13 |
| 432 | 4Sum - 四数之和 | C++ | Middle | 2022.3.13 |
| 433 | Find All K-Distant Indices in an Array - 找出数组中的所有 K 近邻下标 | C++ | Easy | 2022.3.13 |
| 434 | Count Artifacts That Can Be Extracted - 统计可以提取的工件 | C++ | Middle | 2022.3.13 |
| 435 | Maximize the Topmost Element After K Moves - K 次操作后最大化顶端元素 | C++ | Middle | 2022.3.13 |
| 436 | 银联-01. 回文链表 | C++ | Easy | 2022.3.13 |
| 436 | 银联-01. 回文链表 | C++ | Easy | 2022.3.13 |
| 437 | 银联-02. 优惠活动系统 | C++ | Middle | 2022.3.13 |
| 438 | 银联-03. 理财产品 | C++ | Middle | 2022.3.13 |
| 439 | 银联-04. 合作开发 | C++ | Hard | 2022.3.13 |
| 440 | 两个列表的最小索引总和 - Minimum Index Sum of Two Lists | C++ | Easy | 2022.3.14 |
| 441 | 最后一个单词的长度 - Length of Last Word | C++ | Easy | 2022.3.14 |
| 442 | 二进制求和 - Add Binary | C++ | Easy | 2022.3.14 |
| 443 | 两两交换链表中的节点 - Swap Nodes in Pairs | C++ | Middle | 2022.3.14 |
| 444 | K 个一组翻转链表 - Reverse Nodes in k-Group | C++ | Hard | 2022.3.14 |
| 445 | 数字 1 的个数 - Number of Digit One | C++ | Hard | 2022.3.14 |
| 446 | 戳气球 - Burst Balloons | C++ | Hard | 2022.3.14 |
| 447 | 矩阵中的最长递增路径 - Longest Increasing Path in a Matrix | C++ | Hard | 2022.3.14 |
| 448 | 俄罗斯套娃信封问题 - Russian Doll Envelopes | C++ | Hard | 2022.3.14 |
| 449 | 分割数组的最大值 - Split Array Largest Sum | C++ | Hard | 2022.3.14 |
| 450 | 解数独 - Sudoku Solver | C++ | Hard | 2022.3.14 |
| 451 | 分发糖果 - Candy | C++ | Hard | 2022.3.14 |
| 452 | x 的平方根 - Sqrt(x) | C++ | Easy | 2022.3.15 |
| 453 | 删除排序链表中的重复元素 - Remove Duplicates from Sorted List | C++ | Easy | 2022.3.15 |
| 454 | 相同的树 - Same Tree | C++ | Easy | 2022.3.15 |
| 455 | 有效的数独 - Valid Sudoku | C++ | Middle | 2022.3.15 |
| 456 | N皇后 II - N-Queens II | C++ | Hard | 2022.3.15 |
| 457 | 两个相同字符之间的最长子字符串 - Largest Substring Between Two Equal Characters | C++ | Easy | 2022.3.16 |
| 458 | 按照频率将数组升序排序 - Sort Array by Increasing Frequency | C++ | Easy | 2022.3.16 |
| 459 | 括号的最大嵌套深度 - Maximum Nesting Depth of the Parentheses | C++ | Easy | 2022.3.16 |
| 460 | 组合总和 II - Combination Sum II | C++ | Middle | 2022.3.16 |
| 461 | 全 O(1) 的数据结构 - All O`one Data Structure | C++ | Hard | 2022.3.16 |
| 462 | 二叉树的前序遍历 - Binary Tree Preorder Traversal | C++ | Easy | 2022.3.17 |
| 463 | 验证回文串 - Valid Palindrome | C++ | Easy | 2022.3.17 |
| 464 | 奇偶树 - Even Odd Tree | C++ | Middle | 2022.3.17 |
| 465 | 词典中最长的单词 - Longest Word in Dictionary | C++ | Easy | 2022.3.17 |
| 466 | 文本左右对齐 - Text Justification | C++ | Hard | 2022.3.17 |
| 467 | 统计有序矩阵中的负数 - Count Negative Numbers in a Sorted Matrix | C++ | Easy | 2022.3.18 |
| 468 | 最后 K 个数的乘积 - Product of the Last K Numbers | C++ | Middle | 2022.3.18 |
| 469 | 最多可以参加的会议数目 - Maximum Number of Events That Can Be Attended | C++ | Middle | 2022.3.18 |
| 469 | 多次求和构造目标数组 - Construct Target Array With Multiple Sums | C++ | Hard | 2022.3.18 |
| 470 | 玩筹码 - Minimum Cost to Move Chips to The Same Position | C++ | Easy | 2022.3.18 |
| 471 | 最长定差子序列 - Longest Arithmetic Subsequence of Given Difference | C++ | Middle | 2022.3.18 |
| 472 | 黄金矿工 - Path with Maximum Gold | C++ | Middle | 2022.3.18 |
| 473 | 路径总和 - Path Sum | C++ | Easy | 2022.3.18 |
| 474 | 二叉树的最小深度 - Minimum Depth of Binary Tree | C++ | Easy | 2022.3.18 |
| 475 | 平衡二叉树 - Balanced Binary Tree | C++ | Easy | 2022.3.18 |
| 476 | 滑动窗口最大值 - Sliding Window Maximum | C++ | Hard | 2022.3.18 |
| 477 | 简易银行系统 - Simple Bank System | C++ | Middle | 2022.3.18 |
| 478 | 统计元音字母序列的数目 - Count Vowels Permutation | C++ | Hard | 2022.3.18 |
| 479 | 删除一个元素使数组严格递增 - Remove One Element to Make the Array Strictly Increasing | C++ | Easy | 2022.3.19 |
| 480 | 根据二叉树创建字符串 - Construct String from Binary Tree | C++ | Easy | 2022.3.19 |
| 481 | 检查句子中的数字是否递增 - Check if Numbers Are Ascending in a Sentence | C++ | Easy | 2022.3.19 |
| 482 | 统计按位或能得到最大值的子集数目 - Count Number of Maximum Bitwise-OR Subsets | C++ | Middle | 2022.3.19 |
| 483 | 做菜顺序 - Reducing Dishes | C++ | Hard | 2022.3.19 |
| 484 | 统计数组中峰和谷的数量 - Count Hills and Valleys in an Array | C++ | Easy | 2022.3.20 |
| 485 | 统计道路上的碰撞次数 - Count Collisions on a Road | C++ | Middle | 2022.3.20 |
| 486 | 射箭比赛中的最大得分 - Maximum Points in an Archery Competition | C++ | Middle | 2022.3.20 |
| 487 | 将数组划分成相等数对 - Divide Array Into Equal Pairs | C++ | Easy | 2022.3.20 |
| 488 | 字符串中最多数目的子字符串 - Maximize Number of Subsequences in a String | C++ | Middle | 2022.3.20 |
| 489 | 将数组和减半的最少操作次数 - Minimum Operations to Halve Array Sum | C++ | Middle | 2022.3.20 |
| 490 | 用地毯覆盖后的最少白色砖块 - Minimum White Tiles After Covering With Carpets | C++ | Hard | 2022.3.20 |
| 491 | 种花问题 - Can Place Flowers | C++ | Easy | 2022.3.20 |
| 492 | 两数之和 IV - 输入 BST - Two Sum IV - Input is a BST | C++ | Easy | 2022.3.21 |
| 493 | 保持城市天际线 - Max Increase to Keep City Skyline | C++ | Middle | 2022.3.21 |
| 494 | 一维数组的动态和 - Running Sum of 1d Array | C++ | Easy | 2022.3.21 |
| 495 | 执行操作后的变量值 - Final Value of Variable After Performing Operations | C++ | Easy | 2022.3.21 |
| 496 | 情侣牵手 - Couples Holding Hands | C++ | Hard | 2022.3.21 |
| 497 | 验证回文字符串 Ⅱ - Valid Palindrome II | C++ | Easy | 2022.3.22 |
| 498 | 差的绝对值为 K 的数对数目 - Count Number of Pairs With Absolute Difference K | C++ | Easy | 2022.3.22 |
| 499 | 有效的山脉数组 - Valid Mountain Array | C++ | Easy | 2022.3.22 |
| 500 | 如果相邻两个颜色均相同则删除当前颜色 - Remove Colored Pieces if Both Neighbors are the Same Color | C++ | Middle | 2022.3.22 |
| 501 | 不同路径 III - Unique Paths III | C++ | Hard | 2022.3.22 |
| 502 | 宝石与石头 - Jewels and Stones | C++ | Easy | 2022.3.23 |
| 503 | 最富有客户的资产总量 - Richest Customer Wealth | C++ | Easy | 2022.3.23 |
| 504 | 拥有最多糖果的孩子 - Kids With the Greatest Number of Candies | C++ | Easy | 2022.3.23 |
| 505 | 所有排列中的最大和 - Maximum Sum Obtained of Any Permutation | C++ | Middle | 2022.3.23 |
| 506 | 二叉树的序列化与反序列化 - Serialize and Deserialize Binary Tree | C++ | Hard | 2022.3.23 |
| 507 | 重新排列数组 - Shuffle the Array | C++ | Easy | 2022.3.24 |
| 508 | 图片平滑器 - Image Smoother | C++ | Easy | 2022.3.24 |
| 509 | 按奇偶排序数组 II - Sort Array By Parity II | C++ | Easy | 2022.3.24 |
| 510 | 使括号有效的最少添加 - Minimum Add to Make Parentheses Valid | C++ | Middle | 2022.3.24 |
| 511 | 三数之和的多种可能 - 3Sum With Multiplicity | C++ | Middle | 2022.3.24 |
| 512 | 尽量减少恶意软件的传播 - Minimize Malware Spread | C++ | Hard | 2022.3.24 |
| 513 | 统计匹配检索规则的物品数量 - Count Items Matching a Rule | C++ | Easy | 2022.3.25 |
| 514 | 所有奇数长度子数组的和 - Sum of All Odd Length Subarrays | C++ | Easy | 2022.3.25 |
| 515 | 检查是否所有字符出现次数相同 - Check if All Characters Have Equal Number of Occurrences | C++ | Easy | 2022.3.25 |
| 516 | 最小未被占据椅子的编号 - The Number of the Smallest Unoccupied Chair | C++ | Middle | 2022.3.25 |
| 517 | 描述绘画结果 - Describe the Painting | C++ | Middle | 2022.3.25 |
| 518 | 队列中可以看到的人数 - Number of Visible People in a Queue | C++ | Hard | 2022.3.25 |
| 519 | 数组的度 - Degree of an Array | C++ | Easy | 2022.3.27 |
| 520 | 数组序号转换 - Rank Transform of an Array | C++ | Easy | 2022.3.27 |
| 521 | 破坏回文串 - Break a Palindrome | C++ | Middle | 2022.3.27 |
| 522 | 将矩阵按对角线排序 - Sort the Matrix Diagonally | C++ | Middle | 2022.3.27 |
| 523 | 找出两数组的不同 - Find the Difference of Two Arrays | C++ | Easy | 2022.3.27 |
| 524 | 美化数组的最少删除数 - Minimum Deletions to Make Array Beautiful | C++ | Middle | 2022.3.27 |
| 525 | 从栈中取出 K 个硬币的最大面值和 - Maximum Value of K Coins From Piles | C++ | Hard | 2022.3.27 |
| 526 | 用队列实现栈 - Implement Stack using Queues | C++ | Easy | 2022.3.27 |
| 526 | 移动零 - Move Zeroes | C++ | Easy | 2022.3.27 |
| 527 | 播放列表的数量 - Number of Music Playlists | C++ | Hard | 2022.3.27 |
| 528 | 仅仅反转字母 - Reverse Only Letters | C++ | Easy | 2022.3.27 |
| 529 | 完全二叉树插入器 - Complete Binary Tree Inserter | C++ | Middle | 2022.3.27 |
| 530 | 句子中的最多单词数 - Maximum Number of Words Found in Sentences | C++ | Easy | 2022.3.28 |
| 531 | 从先序遍历还原二叉树 - Recover a Tree From Preorder Traversal | C++ | Hard | 2022.3.28 |
| 532 | 无法吃午餐的学生数量 - Number of Students Unable to Eat Lunch | C++ | Easy | 2022.3.28 |
| 533 | 平均等待时间 - Average Waiting Time | C++ | Middle | 2022.3.28 |
| 534 | 修改后的最大二进制字符串 - Maximum Binary String After Change | C++ | Middle | 2022.3.28 |
| 535 | 交替位二进制数 - Binary Number with Alternating Bits | C++ | Middle | 2022.3.28 |
| 536 | 最小栈 - Min Stack | C++ | Easy | 2022.3.29 |
| 537 | 位1的个数 - Number of 1 Bits | C++ | Easy | 2022.3.29 |
| 538 | 快乐数 - Happy Number | C++ | Easy | 2022.3.29 |
| 539 | 二叉树的锯齿形层序遍历 - Binary Tree Zigzag Level Order Traversal | C++ | Middle | 2022.3.29 |
| 540 | 单词接龙 - Word Ladder | C++ | Hard | 2022.3.29 |
| 541 | 二叉树的后序遍历 - Binary Tree Postorder Traversal | C++ | Easy | 2022.3.30 |
| 542 | 同构字符串 - Isomorphic Strings | C++ | Easy | 2022.3.30 |
| 543 | 存在重复元素 II - Contains Duplicate II | C++ | Easy | 2022.3.30 |
| 544 | 全排列 II - Permutations II | C++ | Middle | 2022.3.30 |
| 545 | 找到处理最多请求的服务器 - Find Servers That Handled Most Number of Requests | C++ | Hard | 2022.3.30 |
| 546 | 将数组分成和相等的三个部分 - Partition Array Into Three Parts With Equal Sum | C++ | Easy | 2022.3.31 |
| 547 | 最常见的单词 - Most Common Word | C++ | Easy | 2022.3.31 |
| 548 | 错误的集合 - Set Mismatch | C++ | Easy | 2022.3.31 |
| 549 | 你能从盒子里获得的最大糖果数 - Maximum Candies You Can Get from Boxes | C++ | Hard | 2022.3.31 |
| 550 | 区间内查询数字的频率 - Range Frequency Queries | C++ | Middle | 2022.3.31 |
| 551 | 自除数 - Self Dividing Numbers | C++ | Easy | 2022.3.31 |
| 552 | 二倍数对数组 - Array of Doubled Pairs | C++ | Middle | 2022.4.1 |
| 553 | 最高建筑高度 - Maximum Building Height | C++ | Hard | 2022.4.1 |
| 554 | 有效的字母异位词 - Valid Anagram | C++ | Easy | 2022.4.1 |
| 555 | 有序数组的平方 - Squares of a Sorted Array | C++ | Easy | 2022.4.1 |
| 556 | 两个数组的交集 - Intersection of Two Arrays | C++ | Easy | 2022.4.1 |
| 557 | 有多少小于当前数字的数字 - How Many Numbers Are Smaller Than the Current Number | C++ | Easy | 2022.4.2 |
| 558 | 访问所有点的最小时间 - Minimum Time Visiting All Points | C++ | Easy | 2022.4.2 |
| 559 | 长度为三且各字符不同的子字符串 - Substrings of Size Three with Distinct Characters | C++ | Easy | 2022.4.2 |
| 560 | 两个数组最小的异或值之和 - Minimum XOR Sum of Two Arrays | C++ | Hard | 2022.4.2 |
| 561 | 转换数字的最少位翻转次数 - Minimum Bit Flips to Convert Number | C++ | Easy | 2022.4.3 |
| 562 | 数组的三角和 - Find Triangular Sum of an Array | C++ | Middle | 2022.4.3 |
| 563 | 选择建筑的方案数 - Number of Ways to Select Buildings | C++ | Middle | 2022.4.3 |
| 564 | 寻找比目标字母大的最小字母 - Find Smallest Letter Greater Than Target | C++ | Easy | 2022.4.3 |
| 565 | 转化时间需要的最少操作数 - Minimum Number of Operations to Convert Time | C++ | Easy | 2022.4.3 |
| 566 | 找出输掉零场或一场比赛的玩家 - Find Players With Zero or One Losses | C++ | Middle | 2022.4.3 |
| 567 | 每个小孩最多能分到多少糖果 - Maximum Candies Allocated to K Children | C++ | Middle | 2022.4.3 |
| 568 | 加密解密字符串 - Encrypt and Decrypt Strings | C++ | Hard | 2022.4.3 |
| 569 | 整数的各位积和之差 - Subtract the Product and Sum of Digits of an Integer | C++ | Easy | 2022.4.4 |
| 570 | 按既定顺序创建目标数组 - Create Target Array in the Given Order | C++ | Easy | 2022.4.4 |
| 571 | 盈利计划 - Profitable Schemes | C++ | Hard | 2022.4.4 |
| 572 | 第 N 个神奇数字 - Nth Magical Number | C++ | Hard | 2022.4.4 |
| 573 | 链表的中间结点 - Middle of the Linked List | C++ | Easy | 2022.4.4 |
| 574 | 石子游戏 - Stone Game | C++ | Middle | 2022.4.4 |
| 575 | 删除一个字符串中所有出现的给定子字符串 - Remove All Occurrences of a Substring | C++ | Middle | 2022.4.5 |
| 576 | 最大子序列交替和 - Maximum Alternating Subsequence Sum | C++ | Middle | 2022.4.5 |
| 577 | 设计电影租借系统 - Design Movie Rental System | C++ | Hard | 2022.4.5 |
| 578 | 翻转二叉树 - Invert Binary Tree | C++ | Easy | 2022.4.5 |
| 579 | 回文链表 - Palindrome Linked List | C++ | Easy | 2022.4.5 |
| 580 | 仅执行一次字符串交换能否使两个字符串相等 - Check if One String Swap Can Make Strings Equal | C++ | Easy | 2022.4.6 |
| 581 | 最大平均通过率 - Maximum Average Pass Ratio | C++ | Middle | 2022.4.6 |
| 582 | 好子数组的最大分数 - Maximum Score of a Good Subarray | C++ | Hard | 2022.4.6 |
| 583 | 二进制表示中质数个计算置位 - Prime Number of Set Bits in Binary Representation | C++ | Easy | 2022.4.6 |
| 584 | 除数博弈 - Divisor Game | C++ | Easy | 2022.4.7 |
| 585 | 旋转字符串 - Rotate String | C++ | Easy | 2022.4.7 |
| 586 | 用栈操作构建数组 - Build an Array With Stack Operations | C++ | Easy | 2022.4.7 |
| 587 | 形成两个异或相等数组的三元组数目 - Count Triplets That Can Form Two Arrays of Equal XOR | C++ | Middle | 2022.4.7 |
| 588 | 收集树上所有苹果的最少时间 - Minimum Time to Collect All Apples in a Tree | C++ | Middle | 2022.4.7 |
| 589 | 切披萨的方案数 - Number of Ways of Cutting a Pizza | C++ | Hard | 2022.4.7 |
| 590 | 最大重复子字符串 - Maximum Repeating Substring | C++ | Easy | 2022.4.8 |
| 591 | 按键持续时间最长的键 - Slowest Key | C++ | Easy | 2022.4.8 |
| 592 | 换酒问题 - Water Bottles | C++ | Easy | 2022.4.8 |
| 593 | 子树中标签相同的节点数 - Number of Nodes in the Sub-Tree With the Same Label | C++ | Middle | 2022.4.8 |
| 594 | 最多的不重叠子字符串 - Maximum Number of Non-Overlapping Substrings | C++ | Hard | 2022.4.8 |
| 595 | 找到最接近目标值的函数值 - Find a Value of a Mysterious Function Closest to Target | C++ | Hard | 2022.4.8 |
| 596 | LCP 01. 猜数字 - LCP 01. Guess Numbers | C++ | Easy | 2022.4.9 |
| 597 | LCP 02. 分式化简 - LCP 02. Deep Dark Fraction | C++ | Easy | 2022.4.9 |
| 598 | 数组中的字符串匹配 - String Matching in an Array | C++ | Easy | 2022.4.9 |
| 599 | 查询带键的排列 - Queries on a Permutation With Key | C++ | Middle | 2022.4.9 |
| 600 | HTML 实体解析器 - HTML Entity Parser | C++ | Middle | 2022.4.9 |
| 601 | 给 N x 3 网格图涂色的方案数 - Number of Ways to Paint N × 3 Grid | C++ | Hard | 2022.4.9 |
| 602 | 按奇偶性交换后的最大数字 - Largest Number After Digit Swaps by Parity | C++ | Easy | 2022.4.10 |
| 603 | 向表达式添加括号后的最小结果 - Minimize Result by Adding Parentheses to Expression | C++ | Middle | 2022.4.10 |
| 604 | K 次增加后的最大乘积 - Maximum Product After K Increments | C++ | Middle | 2022.4.10 |
| 605 | 花园的最大总美丽值 - Maximum Total Beauty of the Gardens | C++ | Hard | 2022.4.10 |
| 606 | 旅行终点站 - Destination City | C++ | Easy | 2022.4.10 |
| 607 | 唯一摩尔斯密码词 - Unique Morse Code Words | C++ | Easy | 2022.4.10 |
| 608 | 找到最接近 0 的数字 - Find Closest Number to Zero | C++ | Easy | 2022.4.16 |
| 609 | 买钢笔和铅笔的方案数 - Number of Ways to Buy Pens and Pencils | C++ | Middle | 2022.4.16 |
| 610 | 设计一个 ATM 机器 - Design an ATM Machine | C++ | Middle | 2022.4.16 |
| 611 | 节点序列的最大得分 - Maximum Score of a Node Sequence | C++ | Hard | 2022.4.16 |
| 612 | 计算字符串的数字和 - Calculate Digit Sum of a String | C++ | Easy | 2022.4.17 |
| 613 | 完成所有任务需要的最少轮数 - Minimum Rounds to Complete All Tasks | C++ | Middle | 2022.4.17 |
| 614 | 转角路径的乘积中最多能有几个尾随零 - Maximum Trailing Zeros in a Cornered Path | C++ | Middle | 2022.4.17 |
| 615 | 相邻字符不同的最长路径 - Longest Path With Different Adjacent Characters | C++ | Hard | 2022.4.17 |
| 616 | 重新格式化电话号码 - Reformat Phone Number | C++ | Easy | 2022.4.19 |
| 617 | 删除子数组的最大得分 - Maximum Erasure Value | C++ | Middle | 2022.4.19 |
| 618 | 跳跃游戏 VI - Jump Game VI | C++ | Middle | 2022.4.19 |
| 619 | 检查边长度限制的路径是否存在 - Checking Existence of Edge Length Limited Paths | C++ | Hard | 2022.4.19 |
| 620 | 多个数组求交集 - Intersection of Multiple Arrays | C++ | Easy | 2022.4.24 |
| 621 | 统计圆内格点数目 - Count Lattice Points Inside a Circle | C++ | Middle | 2022.4.24 |
| 622 | 统计包含每个点的矩形数目 - Count Number of Rectangles Containing Each Point | C++ | Middle | 2022.4.24 |
| 623 | 花期内花的数目 - Number of Flowers in Full Bloom | C++ | Hard | 2022.4.24 |
| 624 | 圆形赛道上经过次数最多的扇区 - Most Visited Sector in a Circular Track | C++ | Easy | 2022.4.28 |
| 625 | 你可以获得的最大硬币数目 - Maximum Number of Coins You Can Get | C++ | Middle | 2022.4.28 |
| 626 | 查找大小为 M 的最新分组 - Find Latest Group of Size M | C++ | Middle | 2022.4.28 |
| 627 | 石子游戏 V - Stone Game V | C++ | Hard | 2022.4.28 |
| 628 | 重新格式化字符串 - Reformat The String | C++ | Easy | 2022.4.29 |
| 629 | 数青蛙 - Minimum Number of Frogs Croaking | C++ | Middle | 2022.4.29 |
| 630 | 生成数组 - Build Array Where You Can Find The Maximum Exactly K Comparisons | C++ | Hard | 2022.4.29 |
| 631 | 统计是给定字符串前缀的字符串数目 - Count Prefixes of a Given String | C++ | Easy | 2022.4.30 |
| 632 | 最小平均差 - Minimum Average Difference | C++ | Middle | 2022.4.30 |
| 633 | 统计网格图中没有被保卫的格子数 - Count Unguarded Cells in the Grid | C++ | Middle | 2022.4.30 |
| 634 | 移除指定数字得到的最大结果 - Remove Digit From Number to Maximize Result | C++ | Easy | 2022.5.1 |
| 635 | 必须拿起的最小连续卡牌数 - Minimum Consecutive Cards to Pick Up | C++ | Middle | 2022.5.1 |
| 636 | 含最多 K 个可整除元素的子数组 - K Divisible Elements Subarrays | C++ | Middle | 2022.5.1 |
| 637 | 字符串的总引力 - Total Appeal of A String | C++ | Hard | 2022.5.1 |
| 638 | 有序数组中出现次数超过25%的元素 - Element Appearing More Than 25% In Sorted Array | C++ | Easy | 2022.5.2 |
| 639 | 删除被覆盖区间 - Remove Covered Intervals | C++ | Middle | 2022.5.2 |
| 640 | 字母组合迭代器 - Iterator for Combination | C++ | Middle | 2022.5.2 |
| 641 | 下降路径最小和 II - Minimum Falling Path Sum II | C++ | Hard | 2022.5.2 |
| 642 | 从双倍数组中还原原数组 - Find Original Array From Doubled Array | C++ | Middle | 2022.5.3 |
| 643 | 出租车的最大盈利 - Maximum Earnings From Taxi | C++ | Middle | 2022.5.3 |
| 644 | 使数组连续的最少操作数 - Minimum Number of Operations to Make Array Continuous | C++ | Hard | 2022.5.3 |
| 645 | 递增顺序搜索树 - Increasing Order Search Tree | C++ | Easy | 2022.5.4 |
| 646 | 单调数列 - Monotonic Array | C++ | Easy | 2022.5.4 |
| 647 | 子数组按位或操作 - Bitwise ORs of Subarrays | C++ | Middle | 2022.5.4 |
| 648 | 有序队列 - Orderly Queue | C++ | Hard | 2022.5.4 |
| 649 | 改变一个整数能得到的最大差值 - Max Difference You Can Get From Changing an Integer | C++ | Middle | 2022.5.5 |
| 650 | 检查一个字符串是否可以打破另一个字符串 - Check If a String Can Break Another String | C++ | Middle | 2022.5.5 |
| 651 | 每个人戴不同帽子的方案数 - Number of Ways to Wear Different Hats to Each Other | C++ | Hard | 2022.5.5 |
| 652 | 将数字变成 0 的操作次数 - Number of Steps to Reduce a Number to Zero | C++ | Easy | 2022.5.7 |
| 653 | 大小为 K 且平均值大于等于阈值的子数组数目 - Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold | C++ | Middle | 2022.5.7 |
| 654 | 时钟指针的夹角 - Angle Between Hands of a Clock | C++ | Middle | 2022.5.7 |
| 655 | 跳跃游戏 IV - Jump Game IV | C++ | Hard | 2022.5.7 |
| 656 | 字符串中最大的 3 位相同数字 - Largest 3-Same-Digit Number in String | C++ | Easy | 2022.5.8 |
| 657 | 统计值等于子树平均值的节点数 - Count Nodes Equal to Average of Subtree | C++ | Middle | 2022.5.8 |
| 658 | 统计打字方案数 - Count Number of Texts | C++ | Middle | 2022.5.8 |
| 659 | 检查是否有合法括号字符串路径 - Check if There Is a Valid Parentheses String Path | C++ | Hard | 2022.5.8 |
| 660 | 上升下降字符串 - Increasing Decreasing String | C++ | Easy | 2022.5.10 |
| 661 | 每个元音包含偶数次的最长子字符串 - Find the Longest Substring Containing Vowels in Even Counts | C++ | Middle | 2022.5.10 |
| 662 | 二叉树中的最长交错路径 - Longest ZigZag Path in a Binary Tree | C++ | Middle | 2022.5.10 |
| 663 | 二叉搜索子树的最大键值和 - Maximum Sum BST in Binary Tree | C++ | Hard | 2022.5.10 |
| 664 | 整理字符串 - Make The String Great | C++ | Easy | 2022.5.10 |
| 665 | 找出第 N 个二进制字符串中的第 K 位 - Find Kth Bit in Nth Binary String | C++ | Middle | 2022.5.10 |
| 666 | 和为目标值且不重叠的非空子数组的最大数目 - Maximum Number of Non-Overlapping Subarrays With Sum Equals Target | C++ | Middle | 2022.5.10 |
| 667 | 反转两次的数字 - A Number After a Double Reversal | C++ | Easy | 2022.5.12 |
| 668 | 执行所有后缀指令 - Execution of All Suffix Instructions Staying in a Grid | C++ | Middle | 2022.5.12 |
| 669 | 相同元素的间隔之和 - Intervals Between Identical Elements | C++ | Middle | 2022.5.12 |
| 670 | 还原原数组 - Recover the Original Array | C++ | Hard | 2022.5.12 |
| 671 | 公平的糖果交换 - Fair Candy Swap | C++ | Easy | 2022.5.13 |
| 672 | 查找和替换模式 - Find and Replace Pattern | C++ | Middle | 2022.5.13 |
| 673 | 根据前序和后序遍历构造二叉树 - Construct Binary Tree from Preorder and Postorder Traversal | C++ | Middle | 2022.5.13 |
| 674 | 子序列宽度之和 - Sum of Subsequence Widths | C++ | Hard | 2022.5.13 |
| 675 | 删除无效的括号 - Remove Invalid Parentheses | C++ | Hard | 2022.5.13 |
| 676 | 岛屿数量 - Number of Islands | C++ | Middle | 2022.5.13 |
| 677 | 课程表 - Course Schedule | C++ | Middle | 2022.5.13 |
| 678 | 最大正方形 - Maximal Square | C++ | Middle | 2022.5.13 |
| 679 | 寻找重复数 - Find the Duplicate Number | C++ | Middle | 2022.5.13 |
| 680 | 找到一个数字的 K 美丽值 - Find the K-Beauty of a Number | C++ | Easy | 2022.5.14 |
| 681 | 分割数组的方案数 - Number of Ways to Split Array | C++ | Middle | 2022.5.14 |
| 682 | 毯子覆盖的最多白色砖块数 - Maximum White Tiles Covered by a Carpet | C++ | Middle | 2022.5.14 |
| 683 | 最大波动的子字符串 - Substring With Largest Variance | C++ | Hard | 2022.5.14 |
| 684 | 移除字母异位词后的结果数组 - Find Resultant Array After Removing Anagrams | C++ | Easy | 2022.5.15 |
| 685 | 不含特殊楼层的最大连续楼层数 - Maximum Consecutive Floors Without Special Floors | C++ | Middle | 2022.5.15 |
| 686 | 按位与结果大于零的最长组合 - Largest Combination With Bitwise AND Greater Than Zero | C++ | Middle | 2022.5.15 |
| 687 | 统计区间中的整数数目 - Count Integers in Intervals | C++ | Hard | 2022.5.15 |
| 688 | 公交站间的距离 - Distance Between Bus Stops | C++ | Easy | 2022.5.17 |
| 689 | 一周中的第几天 - Day of the Week | C++ | Easy | 2022.5.17 |
| 690 | 删除一次得到子数组最大和 - Maximum Subarray Sum with One Deletion | C++ | Middle | 2022.5.17 |
| 691 | 重新排列字符串 - Shuffle String | C++ | Easy | 2022.5.18 |
| 692 | 最少的后缀翻转次数 - Minimum Suffix Flips | C++ | Middle | 2022.5.18 |
| 693 | 好叶子节点对的数量 - Number of Good Leaf Nodes Pairs | C++ | Middle | 2022.5.18 |
| 694 | 最长的美好子字符串 - Longest Nice Substring | C++ | Easy | 2022.5.18 |
| 695 | 通过连接另一个数组的子数组得到一个数组 - Form Array by Concatenating Subarrays of Another Array | C++ | Middle | 2022.5.18 |
| 696 | 地图中的最高点 - Map of Highest Peak | C++ | Middle | 2022.5.18 |
| 697 | 互质树 - Tree of Coprimes | C++ | Hard | 2022.5.18 |
| 698 | 使每位学生都有座位的最少移动次数 - Minimum Number of Moves to Seat Everyone | C++ | Easy | 2022.5.19 |
| 699 | 网络空闲的时刻 - The Time When the Network Becomes Idle | C++ | Middle | 2022.5.19 |
| 700 | 两个有序数组的第 K 小乘积 - Kth Smallest Product of Two Sorted Arrays | C++ | Hard | 2022.5.19 |
| 701 | 前 K 个高频元素 - Top K Frequent Elements | C++ | Middle | 2022.5.20 |
| 702 | 最长递增子序列 - Longest Increasing Subsequence | C++ | Middle | 2022.5.20 |
| 703 | 打家劫舍 III - House Robber III | C++ | Middle | 2022.5.20 |
| 704 | 零钱兑换 - Coin Change | C++ | Middle | 2022.5.20 |
| 705 | 使用特殊打字机键入单词的最少时间 - Minimum Time to Type Word Using Special Typewriter | C++ | Easy | 2022.5.21 |
| 706 | 最大方阵和 - Maximum Matrix Sum | C++ | Middle | 2022.5.21 |
| 707 | 字母在字符串中的百分比 - Percentage of Letter in String | C++ | Easy | 2022.5.22 |
| 708 | 字母在字符串中的百分比 - Percentage of Letter in String | C++ | Easy | 2022.5.22 |
| 709 | 装满石头的背包的最大数量 - Maximum Bags With Full Capacity of Rocks | C++ | Middle | 2022.5.22 |
| 710 | 表示一个折线图的最少线段数 - Minimum Lines to Represent a Line Chart | C++ | Middle | 2022.5.22 |
| 711 | 逐步求和得到正数的最小值 - Minimum Value to Get Positive Step by Step Sum | C++ | Easy | 2022.5.25 |
| 712 | 和为 K 的最少斐波那契数字数目 - Find the Minimum Number of Fibonacci Numbers Whose Sum Is K | C++ | Middle | 2022.5.25 |
| 713 | 长度为 n 的开心字符串中字典序第 k 小的字符串 - The k-th Lexicographical String of All Happy Strings of Length n | C++ | Middle | 2022.5.25 |
| 714 | 恢复数组 - Restore The Array | C++ | Hard | 2022.5.25 |
| 715 | 判断一个数的数字计数是否等于数位的值 - Check if Number Has Equal Digit Count and Digit Value | C++ | Easy | 2022.5.28 |
| 716 | 最多单词数的发件人 - Sender With Largest Word Count | C++ | Middle | 2022.5.28 |
| 717 | 道路的最大总重要性 - Maximum Total Importance of Roads | C++ | Middle | 2022.5.28 |
| 717 | 重排字符形成目标字符串 - Rearrange Characters to Make Target String | C++ | Easy | 2022.5.29 |
| 718 | 价格减免 - Apply Discount to Prices | C++ | Middle | 2022.5.29 |
| 719 | 极大极小游戏 - Min Max Game | C++ | Easy | 2022.6.5 |
| 720 | 划分数组使最大差为 K - Partition Array Such That Maximum Difference Is K | C++ | Middle | 2022.6.5 |
| 721 | 替换数组中的元素 - Replace Elements in an Array | C++ | Middle | 2022.6.5 |
| 722 | 设计一个文本编辑器 - Design a Text Editor | C++ | Hard | 2022.6.5 |
| 723 | 强整数 - Powerful Integers | C++ | Middle | 2022.6.9 |
| 724 | 翻转二叉树以匹配先序遍历 - Flip Binary Tree To Match Preorder Traversal | C++ | Middle | 2022.6.9 |
| 725 | 非重叠矩形中的随机点 - Random Point in Non-overlapping Rectangles | C++ | Middle | 2022.6.9 |
| 726 | 较大分组的位置 - Positions of Large Groups | C++ | Easy | 2022.6.9 |
| 727 | 找到最近的有相同 X 或 Y 坐标的点 - Find Nearest Point That Has the Same X or Y Coordinate | C++ | Easy | 2022.6.10 |
| 728 | 判断一个数字是否可以表示成三的幂的和 - Check if Number is a Sum of Powers of Three | C++ | Middle | 2022.6.10 |
| 729 | 所有子字符串美丽值之和 - Sum of Beauty of All Substrings | C++ | Middle | 2022.6.10 |
| 730 | 统计点对的数目 - Count Pairs Of Nodes | C++ | Hard | 2022.6.10 |
| 731 | 强密码检验器 II - Strong Password Checker II | C++ | Easy | 2022.6.11 |
| 732 | 咒语和药水的成功对数 - Successful Pairs of Spells and Potions | C++ | Middle | 2022.6.11 |
| 733 | 替换字符后匹配 - Match Substring After Replacement | C++ | Hard | 2022.6.11 |
| 734 | 统计得分小于 K 的子数组数目 - Count Subarrays With Score Less Than K | C++ | Hard | 2022.6.11 |
| 735 | 计算应缴税款总额 - Calculate Amount Paid in Taxes | C++ | Easy | 2022.6.12 |
| 736 | 网格中的最小路径代价 - Minimum Path Cost in a Grid | C++ | Middle | 2022.6.12 |
| 737 | 公平分发饼干 - Fair Distribution of Cookies | C++ | Middle | 2022.6.12 |
| 738 | 公司命名 - Naming a Company | C++ | Hard | 2022.6.12 |
| 739 | 分割字符串的最大得分 - Maximum Score After Splitting a String | C++ | Easy | 2022.6.14 |
| 740 | 可获得的最大点数 - Maximum Points You Can Obtain from Cards | C++ | Middle | 2022.6.14 |
| 741 | 对角线遍历 II - Diagonal Traverse II | C++ | Middle | 2022.6.14 |
| 742 | 带限制的子序列和 - Constrained Subsequence Sum | C++ | Hard | 2022.6.14 |
| 743 | 缀点成线 - Check If It Is a Straight Line | C++ | Easy | 2022.6.15 |
| 744 | 删除子文件夹 - Remove Sub-Folders from the Filesystem | C++ | Middle | 2022.6.15 |
| 745 | 替换子串得到平衡字符串 - Replace the Substring for Balanced String | C++ | Middle | 2022.6.15 |
| 746 | 规划兼职工作 - Maximum Profit in Job Scheduling | C++ | Hard | 2022.6.15 |
| 747 | 句子中的有效单词数 - Number of Valid Words in a Sentence | C++ | Easy | 2022.6.16 |
| 748 | 下一个更大的数值平衡数 - Next Greater Numerically Balanced Number | C++ | Middle | 2022.6.16 |
| 749 | 并行课程 III - Parallel Courses III | C++ | Hard | 2022.6.16 |
| 750 | 矩形重叠 - Rectangle Overlap | C++ | Easy | 2022.6.17 |
| 751 | 直线上最多的点数 - Max Points on a Line | C++ | Hard | 2022.6.17 |
| 752 | 统计子岛屿 - Count Sub Islands | C++ | Middle | 2022.6.17 |
| 753 | 考试的最大困扰度 - Maximize the Confusion of an Exam | C++ | Middle | 2022.6.17 |
| 754 | 和为零的N个唯一整数 - Find N Unique Integers Sum up to Zero | C++ | Easy | 2022.6.18 |
| 755 | 两棵二叉搜索树中的所有元素 - All Elements in Two Binary Search Trees | C++ | Middle | 2022.6.18 |
| 756 | 跳跃游戏 III - Jump Game III 显示 | C++ | Middle | 2022.6.18 |
| 757 | 口算难题 - Verbal Arithmetic Puzzle | C++ | Hard | 2022.6.18 |
| 758 | 找出到每个位置为止最长的有效障碍赛跑路线 - Find the Longest Valid Obstacle Course at Each Position | C++ | Hard | 2022.6.18 |
| 759 | 切棍子的最小成本 - Minimum Cost to Cut a Stick | C++ | Hard | 2022.6.18 |
| 760 | 到达角落需要移除障碍物的最小数目 - Minimum Obstacle Removal to Reach Corner | C++ | Hard | 2022.6.18 |
| 761 | 规定时间内到达终点的最小花费 - Minimum Cost to Reach Destination in Time | C++ | Hard | 2022.6.18 |
| 762 | 兼具大小写的最好英文字母 - Greatest English Letter in Upper and Lower Case | C++ | Easy | 2022.6.19 |
| 763 | 个位数字为 K 的整数之和 - Sum of Numbers With Units Digit K | C++ | Middle | 2022.6.19 |
| 764 | 小于等于 K 的最长二进制子序列 - Longest Binary Subsequence Less Than or Equal to K | C++ | Middle | 2022.6.19 |
| 765 | 卖木头块 - Selling Pieces of Wood | C++ | Hard | 2022.6.19 |
| 766 | 顺丰01. 顺丰鄂州枢纽运转中心环线检测 | C++ | Middle | 2022.6.19 |
| 767 | 顺丰02. 小哥派件装载问题 | C++ | Middle | 2022.6.19 |
| 768 | 顺丰03. 收件节节高 | C++ | Easy | 2022.6.19 |
| 769 | 顺丰04. 顺丰中转场车辆入场识别-电子围栏 | C++ | Middle | 2022.6.19 |
| 770 | 顺丰05. 慧眼神瞳 | C++ | Middle | 2022.6.19 |
| 771 | 石子游戏 II - Stone Game II | C++ | Middle | 2022.6.20 |
| 772 | 字母板上的路径 - Alphabet Board Path | C++ | Middle | 2022.6.20 |
| 773 | 最大的以 1 为边界的正方形 - Largest 1-Bordered Square | C++ | Middle | 2022.6.20 |
| 774 | 不含 AAA 或 BBB 的字符串 - String Without AAA or BBB | C++ | Middle | 2022.6.22 |
| 775 | 唯一元素的和 - Sum of Unique Elements | C++ | Easy | 2022.6.23 |
| 776 | 任意子数组和的绝对值的最大值 - Maximum Absolute Sum of Any Subarray | C++ | Middle | 2022.6.23 |
| 777 | 删除字符串两端相同字符后的最短长度 - Minimum Length of String After Deleting Similar Ends | C++ | Middle | 2022.6.23 |
| 778 | 最多可以参加的会议数目 II - Maximum Number of Events That Can Be Attended II | C++ | Hard | 2022.6.23 |
| 779 | 串联所有单词的子串 - Substring with Concatenation of All Words | C++ | Hard | 2022.6.23 |
| 780 | 将字符串拆分为递减的连续值 - Splitting a String Into Descending Consecutive Values | C++ | Middle | 2022.6.23 |
| 781 | 长按键入 - Long Pressed Name | C++ | Easy | 2022.6.25 |
| 782 | 将字符串翻转到单调递增 - Flip String to Monotone Increasing | C++ | Middle | 2022.6.25 |
| 783 | 三等分 - Three Equal Parts | C++ | Hard | 2022.6.25 |
| 784 | 尽量减少恶意软件的传播 II - Minimize Malware Spread II | C++ | Hard | 2022.6.25 |
| 785 | 找到最高海拔 - Find the Highest Altitude | C++ | Easy | 2022.6.25 |
| 786 | 需要教语言的最少人数 - Minimum Number of People to Teach | C++ | Middle | 2022.6.25 |
| 787 | 统计星号 - Count Asterisks | C++ | Easy | 2022.6.25 |
| 788 | 统计无向图中无法互相到达点对数 - Count Unreachable Pairs of Nodes in an Undirected Graph | C++ | Middle | 2022.6.25 |
| 789 | 操作后的最大异或和 - Maximum XOR After Operations | C++ | Middle | 2022.6.25 |
| 790 | 不同骰子序列的数目 - Number of Distinct Roll Sequences | C++ | Hard | 2022.6.25 |
| 791 | 判断矩阵是否是一个 X 矩阵 - Check if Matrix Is X-Matrix | C++ | Easy | 2022.6.26 |
| 792 | 统计放置房子的方式数 - Count Number of Ways to Place Houses | C++ | Middle | 2022.6.26 |
| 793 | 拼接数组的最大分数 - Maximum Score Of Spliced Array | C++ | Hard | 2022.6.26 |
| 794 | 从树中删除边的最小分数 - Minimum Score After Removals on a Tree | C++ | Hard | 2022.6.26 |
| 795 | 机器人大冒险 - Programmable Robot | C++ | Middle | 2022.6.27 |
| 796 | 覆盖 - Broken Board Dominoes | C++ | Hard | 2022.6.27 |
| 797 | 统计参与通信的服务器 - Count Servers that Communicate | C++ | Middle | 2022.6.27 |
| 798 | 搜索推荐系统 - Search Suggestions System | C++ | Middle | 2022.6.27 |
| 799 | 三维形体的表面积 - Surface Area of 3D Shapes | C++ | Easy | 2022.6.28 |
| 800 | 特殊等价字符串组 - Groups of Special-Equivalent Strings | C++ | Middle | 2022.6.28 |
| 801 | 所有可能的满二叉树 - All Possible Full Binary Trees | C++ | Middle | 2022.6.28 |
| 802 | 最大频率栈 - Maximum Frequency Stack | C++ | Hard | 2022.6.28 |
| 803 | 统计字符串中的元音子字符串 - Count Vowel Substrings of a String | C++ | Easy | 2022.6.29 |
| 804 | 所有子字符串中的元音 - Vowels of All Substrings | C++ | Middle | 2022.6.29 |
| 805 | 分配给商店的最多商品的最小值 - Minimized Maximum of Products Distributed to Any Store | C++ | Middle | 2022.6.29 |
| 806 | 最大化一张图中的路径价值 - Maximum Path Quality of a Graph | C++ | Hard | 2022.6.29 |
| 807 | 找出数组排序后的目标下标 - Find Target Indices After Sorting Array | C++ | Easy | 2022.6.29 |
| 808 | 半径为 k 的子数组平均值 - K Radius Subarray Averages | C++ | Middle | 2022.6.29 |
| 809 | 从数组中移除最大值和最小值 - Removing Minimum and Maximum From Array | C++ | Middle | 2022.6.29 |
| 810 | 找出知晓秘密的所有专家 - Find All People With Secret | C++ | Hard | 2022.6.29 |
| 811 | 卡车上的最大单元数 - Maximum Units on a Truck | C++ | Easy | 2022.6.29 |
| 812 | 将数组分成三个子数组的方案数 - Ways to Split Array Into Three Subarrays | C++ | Middle | 2022.6.29 |
| 813 | 得到子序列的最少操作次数 - Minimum Operations to Make a Subsequence | C++ | Hard | 2022.6.29 |
| 814 | 两数相除 - Divide Two Integers | C++ | Middle | 2022.6.30 |
| 815 | 丑数 III - Ugly Number III | C++ | Middle | 2022.6.30 |
| 816 | 最大相等频率 - Maximum Equal Frequency | C++ | Hard | 2022.6.30 |
| 817 | 合并若干三元组以形成目标三元组 - Merge Triplets to Form Target Triplet | C++ | Middle | 2022.7.1 |
| 818 | 可移除字符的最大数目 - Maximum Number of Removable Characters | C++ | Middle | 2022.7.1 |
| 819 | 准时抵达会议现场的最小跳过休息次数 - Minimum Skips to Arrive at Meeting On Time | C++ | Hard | 2022.7.1 |
| 820 | 从第一个节点出发到最后一个节点的受限路径数 - Number of Restricted Paths From First to Last Node | C++ | Middle | 2022.7.1 |
| 821 | 构成特定和需要添加的最少元素 - Minimum Elements to Add to Form a Given Sum | C++ | Middle | 2022.7.1 |
| 822 | 检查二进制字符串字段 - Check if Binary String Has at Most One Segment of Ones | C++ | Easy | 2022.7.1 |
| 823 | 最低加油次数 - Minimum Number of Refueling Stops | C++ | Hard | 2022.7.2 |
| 824 | 解密消息 - Decode the Message | C++ | Easy | 2022.7.3 |
| 825 | 螺旋矩阵 IV - Spiral Matrix IV | C++ | Middle | 2022.7.3 |
| 826 | 知道秘密的人数 - Number of People Aware of a Secret | C++ | Middle | 2022.7.3 |
| 827 | 网格图中递增路径的数目 - Number of Increasing Paths in a Grid | C++ | Hard | 2022.7.3 |
| 828 | 连续差相同的数字 - Numbers With Same Consecutive Differences | C++ | Middle | 2022.7.4 |
| 829 | 反转链表 II - Reverse Linked List II | C++ | Middle | 2022.7.4 |
| 830 | 两数之和 II - 输入有序数组 - Two Sum II - Input Array Is Sorted | C++ | Middle | 2022.7.4 |
| 831 | LRU 缓存 - LRU Cache | C++ | Middle | 2022.7.4 |
| 832 | 轮转数组 - Rotate Array | C++ | Middle | 2022.7.4 |
| 833 | 长度最小的子数组 - Minimum Size Subarray Sum | C++ | Middle | 2022.7.4 |
| 834 | 不同路径 II - Unique Paths II | C++ | Middle | 2022.7.4 |
| 835 | 删除排序链表中的重复元素 II - Remove Duplicates from Sorted List II | C++ | Middle | 2022.7.4 |
| 836 | 二叉树的右视图 - Binary Tree Right Side View | C++ | Middle | 2022.7.4 |
| 837 | 组合 - Combinations | C++ | Middle | 2022.7.4 |
| 838 | 排列序列 - Permutation Sequence | C++ | Hard | 2022.7.4 |
| 839 | 插入区间 - Insert Interval | C++ | Middle | 2022.7.4 |
| 840 | Pow(x, n) - Pow(x, n) | C++ | Middle | 2022.7.4 |
| 841 | 简化路径 - Simplify Path | C++ | Middle | 2022.7.6 |
| 842 | 矩阵置零 - Set Matrix Zeroes | C++ | Middle | 2022.7.6 |
| 843 | 分隔链表 - Partition List | C++ | Middle | 2022.7.6 |
| 844 | 子集 II - Subsets II | C++ | Middle | 2022.7.6 |
| 845 | 复原 IP 地址 - Restore IP Addresses | C++ | Middle | 2022.7.6 |
| 846 | 不同的二叉搜索树 II - Unique Binary Search Trees II | C++ | Middle | 2022.7.6 |
| 847 | 找到小镇的法官 - Find the Town Judge | C++ | Easy | 2022.7.6 |
| 848 | 可以被一步捕获的棋子数 - Available Captures for Rook | C++ | Easy | 2022.7.6 |
| 849 | 最大二叉树 II - Maximum Binary Tree II | C++ | Middle | 2022.7.6 |
| 850 | 腐烂的橘子 - Rotting Oranges | C++ | Middle | 2022.7.6 |
| 851 | K 连续位的最小翻转次数 - Minimum Number of K Consecutive Bit Flips | C++ | Hard | 2022.7.6 |
| 852 | 正方形数组的数目 - Number of Squareful Arrays | C++ | Hard | 2022.7.6 |
| 853 | 数组形式的整数加法 - Add to Array-Form of Integer | C++ | Easy | 2022.7.6 |
| 854 | 等式方程的可满足性 - Satisfiability of Equality Equations | C++ | Middle | 2022.7.6 |
| 855 | 坏了的计算器 - Broken Calculator | C++ | Middle | 2022.7.6 |
| 856 | K 个不同整数的子数组 - Subarrays with K Different Integers | C++ | Hard | 2022.7.6 |
| 857 | 查找共用字符 - Find Common Characters | C++ | Easy | 2022.7.6 |
| 858 | 检查替换后的词是否有效 - Check If Word Is Valid After Substitutions | C++ | Middle | 2022.7.6 |
| 859 | 最大连续1的个数 III - Max Consecutive Ones III | C++ | Middle | 2022.7.6 |
| 860 | 被围绕的区域 - Surrounded Regions | C++ | Middle | 2022.7.7 |
| 861 | 拼写单词 - Find Words That Can Be Formed by Characters | C++ | Easy | 2022.7.7 |
| 862 | 最大层内元素和 - Maximum Level Sum of a Binary Tree | C++ | Middle | 2022.7.7 |
| 863 | 单词替换 - Replace Words | C++ | Middle | 2022.7.7 |
| 864 | 按字典序排在最后的子串 - Last Substring in Lexicographical Order | C++ | Hard | 2022.7.7 |
| 865 | 地图分析 - As Far from Land as Possible | C++ | Middle | 2022.7.7 |
| 866 | 反转单词前缀 - Reverse Prefix of Word | C++ | Easy | 2022.7.7 |
| 867 | 可互换矩形的组数 - Number of Pairs of Interchangeable Rectangles | C++ | Middle | 2022.7.7 |
| 868 | 两个回文子序列长度的最大乘积 - Maximum Product of the Length of Two Palindromic Subsequences | C++ | Middle | 2022.7.7 |
| 869 | 每棵子树内缺失的最小基因值 - Smallest Missing Genetic Value in Each Subtree | C++ | Hard | 2022.7.7 |
| 870 | K 进制表示下的各位数字总和 - Sum of Digits in Base K | C++ | Easy | 2022.7.7 |
| 871 | 最高频元素的频数 - Frequency of the Most Frequent Element | C++ | Middle | 2022.7.7 |
| 872 | 所有元音按顺序排布的最长子字符串 - Longest Substring Of All Vowels in Order | C++ | Middle | 2022.7.7 |
| 873 | zj-future01. 信号接收 | C++ | Easy | 2022.7.8 |
| 874 | zj-future02. 黑白棋游戏 | C++ | Middle | 2022.7.8 |
| 875 | zj-future03. 快递中转站选址 | C++ | Middle | 2022.7.8 |
| 876 | zj-future04. 门店商品调配 | C++ | Hard | 2022.7.8 |
| 877 | 计算布尔二叉树的值 - Evaluate Boolean Binary Tree | C++ | Easy | 2022.7.9 |
| 878 | 坐上公交的最晚时间 - The Latest Time to Catch a Bus | C++ | Middle | 2022.7.9 |
| 879 | 最小差值平方和 - Minimum Sum of Squared Difference | C++ | Middle | 2022.7.9 |
| 880 | 元素值大于变化阈值的子数组 - Subarray With Elements Greater Than Varying Threshold | C++ | Hard | 2022.7.9 |
| 881 | 装满杯子需要的最短总时长 - Minimum Amount of Time to Fill Cups | C++ | Easy | 2022.7.10 |
| 882 | 无限集中的最小数字 - Smallest Number in Infinite Set | C++ | Middle | 2022.7.10 |
| 883 | 移动片段得到字符串 - Move Pieces to Obtain a String | C++ | Middle | 2022.7.10 |
| 884 | 统计理想数组的数目 - Count the Number of Ideal Arrays | C++ | Hard | 2022.7.10 |
| 885 | 能否连接形成数组 - Check Array Formation Through Concatenation | C++ | Easy | 2022.7.12 |
| 886 | 统计字典序元音字符串的数目 - Count Sorted Vowel Strings | C++ | Middle | 2022.7.12 |
| 887 | 可以到达的最远建筑 - Furthest Building You Can Reach | C++ | Middle | 2022.7.12 |
| 888 | 第 K 条最小指令 - Kth Smallest Instructions | C++ | Hard | 2022.7.12 |
| 889 | 使数组唯一的最小增量 - Minimum Increment to Make Array Unique | C++ | Middle | 2022.7.14 |
| 890 | 验证栈序列 - Validate Stack Sequences | C++ | Middle | 2022.7.14 |
| 891 | 移除最多的同行或同列石头 - Most Stones Removed with Same Row or Column | C++ | Middle | 2022.7.14 |
| 892 | 令牌放置 - Bag of Tokens | C++ | Middle | 2022.7.14 |
| 893 | 剑指 Offer II 041. 滑动窗口的平均值 | C++ | Easy | 2022.7.16 |
| 894 | RLE 迭代器 - RLE Iterator | C++ | Middle | 2022.7.16 |
| 895 | 数组能形成多少数对 - Maximum Number of Pairs in Array | C++ | Easy | 2022.7.17 |
| 896 | 数位和相等数对的最大和 - Max Sum of a Pair With Equal Sum of Digits | C++ | Middle | 2022.7.17 |
| 897 | 裁剪数字后查询第 K 小的数字 - Query Kth Smallest Trimmed Number | C++ | Middle | 2022.7.17 |
| 898 | 使数组可以被整除的最少删除次数 - Minimum Deletions to Make Array Divisible | C++ | Hard | 2022.7.17 |
| 899 | 质数排列 - Prime Arrangements | C++ | Easy | 2022.7.23 |
| 900 | 构建回文串检测 - Can Make Palindrome from Substring | C++ | Middle | 2022.7.23 |
| 901 | 猜字谜 - Number of Valid Words for Each Puzzle | C++ | Hard | 2022.7.23 |
| 902 | 最好的扑克手牌 - Best Poker Hand | C++ | Easy | 2022.7.23 |
| 903 | 全 0 子数组的数目 - Number of Zero-Filled Subarrays | C++ | Middle | 2022.7.23 |
| 904 | 设计数字容器系统 - Design a Number Container System | C++ | Middle | 2022.7.23 |
| 905 | 不可能得到的最短骰子序列 - Shortest Impossible Sequence of Rolls | C++ | Hard | 2022.7.23 |
| 906 | 第一个出现两次的字母 - First Letter to Appear Twice | C++ | Easy | 2022.7.24 |
| 907 | 相等行列对 - Equal Row and Column Pairs | C++ | Middle | 2022.7.24 |
| 908 | 设计食物评分系统 - Design a Food Rating System | C++ | Middle | 2022.7.24 |
| 909 | 优质数对的数目 - Number of Excellent Pairs | C++ | Hard | 2022.7.24 |
| 910 | 使数组中所有元素都等于零 - Make Array Zero by Subtracting Equal Amounts | C++ | Easy | 2022.8.1 |
| 911 | 分组的最大数量 - Maximum Number of Groups Entering a Competition | C++ | Middle | 2022.8.1 |
| 912 | 找到离给定两个节点最近的节点 - Find Closest Node to Given Two Nodes | C++ | Middle | 2022.8.1 |
| 913 | 图中的最长环 - Longest Cycle in a Graph | C++ | Hard | 2022.8.1 |
| 914 | 合并相似的物品 - Merge Similar Items | C++ | Easy | 2022.8.6 |
| 915 | 统计坏数对的数目 - Count Number of Bad Pairs | C++ | Middle | 2022.8.6 |
| 916 | 任务调度器 II - Task Scheduler II | C++ | Middle | 2022.8.6 |
| 917 | 将数组排序的最少替换次数 - Minimum Replacements to Sort the Array | C++ | Middle | 2022.8.6 |
| 918 | 算术三元组的数目 - Number of Arithmetic Triplets | C++ | Easy | 2022.8.7 |
| 919 | 受限条件下可到达节点的数目 - Reachable Nodes With Restrictions | C++ | Middle | 2022.8.7 |
| 920 | 检查数组是否存在有效划分 - Check if There is a Valid Partition For The Array | C++ | Middle | 2022.8.7 |
| 921 | 最长理想子序列 - Longest Ideal Subsequence | C++ | Middle | 2022.8.7 |
| 922 | 1. 最小展台数量 | C++ | Easy | 2022.10.7 |
| 923 | 2. 装饰树 | C++ | Middle | 2022.10.7 |
| 924 | 3. 美观的花束 | C++ | Middle | 2022.10.7 |
| 925 | 5. 沙地治理 | C++ | Hard | 2022.10.7 |
| 926 | 根据模式串构造最小数字 - 2375. Construct Smallest Number From DI String | C++ | Middle | 2022.10.7 |
| 927 | 矩阵中的局部最大值 - Largest Local Values in a Matrix | C++ | Easy | 2022.10.7 |
| 928 | 边积分最高的节点 - Node With Highest Edge Score | C++ | Middle | 2022.10.7 |
| 929 | 处理用时最长的那个任务的员工 - The Employee That Worked on the Longest Task | C++ | Easy | 2022.10.9 |
| 930 | 找出前缀异或的原始数组 - Find The Original Array of Prefix Xor | C++ | Middle | 2022.10.9 |
| 931 | 使用机器人打印字典序最小的字符串 - Using a Robot to Print the Lexicographically Smallest String | C++ | Middle | 2022.10.9 |
| 932 | 矩阵中和能被 K 整除的路径 - Paths in Matrix Whose Sum Is Divisible by K | C++ | Hard | 2022.10.9 |
| 933 | 公因子的数目 - Number of Common Factors | C++ | Easy | 2022.10.10 |
| 934 | 沙漏的最大总和 - Maximum Sum of an Hourglass | C++ | Middle | 2022.10.10 |
| 935 | 最小 XOR - Minimize XOR | C++ | Middle | 2022.10.10 |
| 936 | 对字母串可执行的最大删除数 - Maximum Deletions on a String | C++ | Hard | 2022.10.10 |
| 937 | 使序列递增的最小交换次数 - Minimum Swaps To Make Sequences Increasing | C++ | Hard | 2022.10.10 |
| 938 | 删除字符使频率相同 - Remove Letter To Equalize Frequency | C++ | Easy | 2022.10.11 |
| 939 | 最长上传前缀 - Longest Uploaded Prefix | C++ | Middle | 2022.10.11 |
| 940 | 所有数对的异或和 - Bitwise XOR of All Pairings | C++ | Middle | 2022.10.11 |
| 941 | 题目-01 化学反应 | C++ | Easy | 2022.10.12 |
| 942 | 按身高排序 - Sort the People | C++ | Easy | 2022.10.12 |
| 943 | 按位与最大的最长子数组 - Longest Subarray With Maximum Bitwise AND | C++ | Middle | 2022.10.12 |
| 944 | 找到所有好下标 - Find All Good Indices | C++ | Middle | 2022.10.12 |
| 945 | 链表组件 - Linked List Components | C++ | Middle | 2022.10.12 |
| 946 | 有效时间的数目 - Number of Valid Clock Times | C++ | Easy | 2022.10.15 |
| 947 | 二的幂数组中查询范围内的乘积 - Range Product Queries of Powers | C++ | Middle | 2022.10.15 |
| 948 | 最小化数组中的最大值 - Minimize Maximum of Array | C++ | Middle | 2022.10.15 |
| 949 | 创建价值相同的连通块 - Create Components With Same Value | C++ | Hard | 2022.10.15 |
| 950 | 与对应负数同时存在的最大正整数 - Largest Positive Integer That Exists With Its Negative | C++ | Easy | 2022.10.16 |
| 951 | 反转之后不同整数的数目 - Count Number of Distinct Integers After Reverse Operations | C++ | Middle | 2022.10.16 |
| 952 | 反转之后的数字和 - Sum of Number and Its Reverse | C++ | Middle | 2022.10.16 |
| 953 | 统计定界子数组的数目 - Count Subarrays With Fixed Bounds | C++ | Hard | 2022.10.16 |
| 954 | 最小偶倍数 - Smallest Even Multiple | C++ | Easy | 2022.10.18 |
| 955 | 最长的字母序连续子字符串的长度 - Length of the Longest Alphabetical Continuous Substring | C++ | Middle | 2022.10.18 |
| 956 | 反转二叉树的奇数层 - Reverse Odd Levels of Binary Tree | C++ | Middle | 2022.10.18 |
| 957 | 字符串的前缀分数和 - Sum of Prefix Scores of Strings | C++ | Hard | 2022.10.18 |
| 958 | 统计共同度过的日子数 - Count Days Spent Together | C++ | Easy | 2022.10.19 |
| 959 | 运动员和训练师的最大匹配数 - Maximum Matching of Players With Trainers | C++ | Middle | 2022.10.19 |
| 960 | 按位或最大的最小子数组长度 - Smallest Subarrays With Maximum Bitwise OR | C++ | Middle | 2022.10.19 |
| 961 | 完成所有交易的初始最少钱数 - Minimum Money Required Before Transactions | C++ | Hard | 2022.10.20 |
| 962 | 银联-1. 重构链表 | C++ | Easy | 2022.10.20 |
| 963 | 银联-2. 勘探补给 | C++ | Middle | 2022.10.20 |
| 964 | 银联-3. 风能发电 | C++ | Middle | 2022.10.20 |
| 965 | 第K个语法符号 - K-th Symbol in Grammar | C++ | Middle | 2022.10.20 |
| 966 | 判断两个事件是否存在冲突 - Determine if Two Events Have Conflict | C++ | Easy | 2022.10.23 |
| 967 | 最大公因数等于 K 的子数组数目 - Number of Subarrays With GCD Equal to K | C++ | Middle | 2022.10.23 |
| 968 | 使数组相等的最小开销 - Minimum Cost to Make Array Equal | C++ | Hard | 2022.10.23 |
| 969 | 使数组相似的最少操作次数 - Minimum Number of Operations to Make Arrays Similar | C++ | Hard | 2022.10.23 |
| 970 | 分割数组 - Partition Array into Disjoint Intervals | C++ | Middle | 2022.10.24 |
| 971 | 出现最频繁的偶数元素 - Most Frequent Even Element | C++ | Easy | 2022.10.24 |
| 972 | 子字符串的最优划分 - Optimal Partition of String | C++ | Middle | 2022.10.24 |
| 973 | 将区间分为最少组数 - Divide Intervals Into Minimum Number of Groups | C++ | Middle | 2022.10.24 |
| 974 | 检查相同字母间的距离 - Check Distances Between Same Letters | C++ | Easy | 2022.10.26 |
| 975 | 恰好移动 k 步到达某一位置的方法数目 - Number of Ways to Reach a Position After Exactly k Steps | C++ | Middle | 2022.10.26 |
| 976 | 最长优雅子数组 - Longest Nice Subarray | C++ | Middle | 2022.10.26 |
| 977 | 严格回文的数字 - Strictly Palindromic Number | C++ | Middle | 2022.10.27 |
| 978 | 被列覆盖的最多行数 - Maximum Rows Covered by Columns | C++ | Middle | 2022.10.27 |
| 979 | 预算内的最多机器人数目 - Maximum Number of Robots Within Budget | C++ | Hard | 2022.10.27 |
| 980 | 和相等的子数组 - Find Subarrays With Equal Sum | C++ | Easy | 2022.10.27 |
| 981 | 和有限的最长子序列 - Longest Subsequence With Limited Sum | C++ | Easy | 2022.10.28 |
| 982 | 从字符串中移除星号 - Removing Stars From a String | C++ | Middle | 2022.10.28 |
| 983 | 收集垃圾的最少总时间 - Minimum Amount of Time to Collect Garbage | C++ | Middle | 2022.10.28 |
| 984 | 九坤-01. 可以读通讯稿的组数 | C++ | Easy | 2022.10.29 |
| 985 | 九坤-02. 池塘计数 | C++ | Middle | 2022.10.29 |
| 986 | 九坤-03. 数字默契考验 | C++ | Middle | 2022.10.29 |
| 987 | 差值数组不同的字符串 - Odd String Difference | C++ | Easy | 2022.10.29 |
| 988 | 距离字典两次编辑以内的单词 - Words Within Two Edits of Dictionary | C++ | Middle | 2022.10.29 |
| 989 | 摧毁一系列目标 - Destroy Sequential Targets | C++ | Middle | 2022.10.30 |
| 990 | 下一个更大元素 IV - Next Greater Element IV | C++ | Hard | 2022.10.30 |
| 991 | 字母大小写全排列 - Letter Case Permutation | C++ | Middle | 2022.10.30 |
| 992 | 可被三整除的偶数的平均值 - Average Value of Even Numbers That Are Divisible by Three | C++ | Easy | 2022.10.30 |
| 993 | 最流行的视频创作者 - Most Popular Video Creator | C++ | Middle | 2022.10.30 |
| 994 | 最流行的视频创作者 - Most Popular Video Creator | C++ | Middle | 2022.10.30 |
| 995 | 移除子树后的二叉树高度 - Height of Binary Tree After Subtree Removal Queries | C++ | Hard | 2022.10.30 |
| 996 | 对数组执行操作 - Apply Operations to an Array | C++ | Easy | 2022.11.6 |
| 997 | 长度为 K 子数组中的最大和 - Maximum Sum of Distinct Subarrays With Length K | C++ | Middle | 2022.11.6 |
| 998 | 雇佣 K 位工人的总代价 - Total Cost to Hire K Workers | C++ | Middle | 2022.11.6 |
| 999 | 最小移动总距离 - Minimum Total Distance Traveled | C++ | Hard | 2022.11.6 |
| 1000 | 统计一致字符串的数目 - Count the Number of Consistent Strings | C++ | Easy | 2022.11.8 |
| 1001 | 赢得比赛需要的最少训练时长 - Minimum Hours of Training to Win a Competition | C++ | Easy | 2022.11.8 |
| 1002 | 最大回文数字 - Largest Palindromic Number | C++ | Middle | 2022.11.8 |
| 1003 | 感染二叉树需要的总时间 - Amount of Time for Binary Tree to Be Infected | C++ | Middle | 2022.11.8 |
| 1004 | 找出数组的第 K 大和 - Find the K-Sum of an Array | C++ | Hard | 2022.11.8 |
| 1005 | 得到 K 个黑块的最少涂色次数 - Minimum Recolors to Get K Consecutive Black Blocks | C++ | Easy | 2022.11.9 |
| 1006 | 二进制字符串重新安排顺序需要的时间 - Time Needed to Rearrange a Binary String | C++ | Middle | 2022.11.9 |
| 1007 | 二进制字符串重新安排顺序需要的时间 - Time Needed to Rearrange a Binary String | C++ | Middle | 2022.11.9 |
| 1008 | 删除操作后的最大子段和 - Maximum Segment Sum After Removals | C++ | Hard | 2022.11.9 |
| 1009 | 最大加号标志 - Largest Plus Sign | C++ | Middle | 2022.11.9 |
| 1010 | 好数对的数目 - Number of Good Pairs | C++ | Easy | 2022.11.11 |
| 1011 | 设计有序流 - Design an Ordered Stream | C++ | Easy | 2022.11.11 |
| 1012 | 判断字符串的两半是否相似 - Determine if String Halves Are Alike | C++ | Easy | 2022.11.11 |
| 1013 | 不同的平均值数目 - Number of Distinct Averages | C++ | Easy | 2022.11.13 |
| 1014 | 统计构造好字符串的方案数 - Count Ways To Build Good Strings | C++ | Middle | 2022.11.13 |
| 1015 | 温度转换 - Convert the Temperature | C++ | Easy | 2022.11.13 |
| 1016 | 最小公倍数为 K 的子数组数目 - Number of Subarrays With LCM Equal to K | C++ | Middle | 2022.11.13 |
| 1017 | 逐层排序二叉树所需的最少操作数目 - Minimum Number of Operations to Sort a Binary Tree by Level | C++ | Middle | 2022.11.13 |
| 1018 | 不重叠回文子字符串的最大数目 - Maximum Number of Non-overlapping Palindrome Substrings | C++ | Hard | 2022.11.13 |
| 1019 | 统计相似字符串对的数目 - Count Pairs Of Similar Strings | C++ | Easy | 2022.12.20 |
| 1020 | 使用质因数之和替换后可以取到的最小值 - Smallest Value After Replacing With Sum of Prime Factors | C++ | Middle | 2022.12.20 |
| 1021 | 添加边使所有节点度数都为偶数 - Add Edges to Make Degrees of All Nodes Even | C++ | Hard | 2022.12.20 |
| 1022 | 查询树中环的长度 - Cycle Length Queries in a Tree | C++ | Hard | 2022.12.20 |
| 1023 | 删除每行中的最大值 - Delete Greatest Value in Each Row | C++ | Easy | 2022.12.20 |
| 1024 | 数组中最长的方波 - Longest Square Streak in an Array | C++ | Middle | 2022.12.20 |
| 1025 | 设计内存分配器 - Design Memory Allocator | C++ | Middle | 2022.12.20 |
| 1026 | 数组中字符串的最大值 - Maximum Value of a String in an Array | C++ | Easy | 2022.12.22 |
| 1027 | 图中最大星和 - Maximum Star Sum of a Graph | C++ | Middle | 2022.12.22 |
| 1028 | 青蛙过河 II - Frog Jump II | C++ | Middle | 2022.12.22 |
| 1029 | 最多可以摧毁的敌人城堡数目 - Maximum Enemy Forts That Can Be Captured | C++ | Easy | 2022.12.25 |
| 1030 | 奖励最顶尖的 K 名学生 - Reward Top K Students | C++ | Middle | 2022.12.25 |
| 1031 | 最小化两个数组中的最大值 - Minimize the Maximum of Two Arrays | C++ | Middle | 2022.12.25 |
| 1032 | 统计同位异构字符串数目 - Count Anagrams | C++ | Hard | 2022.12.25 |
| 1033 | 到目标字符串的最短距离 - Shortest Distance to Target String in a Circular Array | C++ | Easy | 2022.12.25 |
| 1034 | 每种字符至少取 K 个 - Take K of Each Character From Left and Right | C++ | Middle | 2022.12.25 |
| 1035 | 礼盒的最大甜蜜度 - Maximum Tastiness of Candy Basket | C++ | Middle | 2022.12.25 |
| 1036 | 好分区的数目 - Number of Great Partitions | C++ | Hard | 2022.12.25 |
| 1037 | 统计能整除数字的位数 - Count the Digits That Divide a Number | C++ | Easy | 2023.1.2 |
| 1038 | 数组乘积中的不同质因数数目 - Distinct Prime Factors of Product of Array | C++ | Middle | 2023.1.2 |
| 1039 | 将字符串分割成值不超过 K 的子字符串 - Partition String Into Substrings With Values at Most K | C++ | Middle | 2023.1.2 |
| 1040 | 范围内最接近的两个质数 - Closest Prime Numbers in Range | C++ | Middle | 2023.1.2 |
| 1041 | 根据规则将箱子分类 - Categorize Box According to Criteria | C++ | Easy | 2023.1.7 |
| 1042 | 找到数据流中的连续整数 - Find Consecutive Integers from a Data Stream | C++ | Middle | 2023.1.7 |
| 1043 | 查询数组 Xor 美丽值 - Find Xor-Beauty of Array | C++ | Middle | 2023.1.7 |
| 1044 | 最大化城市的最小供电站数目 - Maximize the Minimum Powered City | C++ | Hard | 2023.1.7 |