Leetcode

2022-07-01：guardian 成就达成。

2022-07-02: 刷新最好竞赛名次

剑指Offer

Cnt	Problem	Solution	Difficulty	date
1	剑指 Offer 03. 数组中重复的数字	C++	Easy	2021.7.12
2	剑指 Offer 04. 二维数组中的查找	C++	Middle	2021.9.18
3	剑指 Offer 05. 替换空格	C++	Easy	2021.9.18
4	剑指 Offer 06. 从尾到头打印链表	C++	Easy	2021.9.18
5	剑指 Offer 07. 重建二叉树	C++	Middle	2021.9.18
6	剑指 Offer 09. 用两个栈实现队列	C++	Easy	2021.9.18
7	剑指 Offer 11. 旋转数组的最小数字	C++	Easy	2021.9.18
8	剑指 Offer 12. 矩阵中的路径	C++	Middle	2021.9.18
9	剑指 Offer 13. 机器人的运动范围	C++	Middle	2021.9.18
10	剑指 Offer 15. 二进制中1的个数	C++	Easy	2021.9.18
11	剑指 Offer 16. 数值的整数次方	C++	Middle	2021.9.18
12	剑指 Offer 17. 打印从1到最大的n位数	C++	Easy	2021.9.18
13	剑指 Offer 18. 删除链表的节点	C++	Easy	2021.9.18
14	剑指 Offer 20. 表示数值的字符串	C++	Middle	2021.9.18
15	剑指 Offer 21. 调整数组顺序使奇数位于偶数前面	C++	Easy	2021.9.18
16	剑指 Offer 22. 链表中倒数第k个节点	C++	Easy	2021.9.18
17	剑指 Offer 24. 反转链表	C++	Easy	2021.9.18
18	剑指 Offer 25. 合并两个排序的链表	C++	Easy	2021.9.18
19	剑指 Offer 26. 树的子结构	C++	Middle	2021.9.18
20	剑指 Offer 27. 二叉树的镜像	C++	Easy	2021.9.18
21	剑指 Offer 28. 对称的二叉树	C++	Easy	2021.9.18
22	剑指 Offer 29. 顺时针打印矩阵	C++	Middle	2021.9.22
23	剑指 Offer 30. 包含min函数的栈	C++	Easy	2021.9.22
24	剑指 Offer 31. 栈的压入、弹出序列	C++	Middle	2021.9.22
25	剑指 Offer 33. 二叉搜索树的后序遍历序列	C++	Middle	2021.9.24
26	剑指 Offer 34. 二叉树中和为某一值的路径	C++	Middle	2021.9.24
27	剑指 Offer 35. 复杂链表的复制	C++	Middle	2021.9.24
28	剑指 Offer 36. 二叉搜索树与双向链表	C++	Middle	2021.9.24
29	剑指 Offer 37. 序列化二叉树	C++	Middle	2021.9.24
30	剑指 Offer 38. 字符串的排列	C++	Middle	2021.9.24
31	剑指 Offer 39. 数组中出现次数超过一半的数字	C++	Middle	2021.9.24
32	剑指 Offer 40. 最小的k个数	C++	Middle	2021.9.24
33	剑指 Offer 41. 数据流中的中位数	C++	Hard	2021.9.26
34	剑指 Offer 42. 连续子数组的最大和	C++	Easy	2021.9.26
35	剑指 Offer 44. 数字序列中某一位的数字	C++	Middle	2021.9.26
36	剑指 Offer 45. 把数组排成最小的数	C++	Middle	2021.9.26
37	剑指 Offer 46. 把数字翻译成字符串	C++	Middle	2021.9.26
38	剑指 Offer 47. 礼物的最大价值	C++	Middle	2021.9.27
39	剑指 Offer 48. 最长不含重复字符的子字符串	C++	Middle	2021.9.27
40	剑指 Offer 49. 丑数	C++	Middle	2021.9.27
41	剑指 Offer 50. 第一个只出现一次的字符	C++	Easy	2021.9.27
42	剑指 Offer 52. 两个链表的第一个公共节点	C++	Easy	2021.9.27
43	剑指 Offer 54. 二叉搜索树的第k大节点	C++	Easy	2021.9.27
44	剑指 Offer 57. 和为s的两个数字	C++	Easy	2021.9.27
45	剑指 Offer 60. n个骰子的点数	C++	Middle	2021.9.27
46	剑指 Offer 61. 扑克牌中的顺子	C++	Easy	2021.9.27
47	剑指 Offer 62. 圆圈中最后剩下的数字	C++	Easy	2021.9.27
48	剑指 Offer 63. 股票的最大利润	C++	Middle	2021.9.27
49	剑指 Offer 64. 求1+2+…+n	C++	Middle	2021.9.28
50	剑指 Offer 65. 不用加减乘除做加法	C++	Easy	2021.9.28
51	剑指 Offer 66. 构建乘积数组	C++	Middle	2021.9.28
52	剑指 Offer 67. 把字符串转换成整数	C++	Middle	2021.9.28
53	剑指 Offer 10- I. 斐波那契数列	C++	Easy	2021.9.28
54	剑指 Offer 10- II. 青蛙跳台阶问题	C++	Easy	2021.9.29
55	剑指 Offer 14- I. 剪绳子	C++	Middle	2021.9.29
56	剑指 Offer 32 - I. 从上到下打印二叉树	C++	Middle	2021.9.29
57	剑指 Offer 32 - II. 从上到下打印二叉树 II	C++	Easy	2021.9.29
58	剑指 Offer 32 - III. 从上到下打印二叉树 III	C++	Middle	2021.9.29
59	剑指 Offer 53 - I. 在排序数组中查找数字 I	C++	Easy	2021.9.29
60	剑指 Offer 53 - II. 0～n-1中缺失的数字	C++	Easy	2021.9.29
61	剑指 Offer 55 - I. 二叉树的深度	C++	Easy	2021.9.29
62	剑指 Offer 55 - II. 平衡二叉树	C++	Easy	2021.9.29
63	剑指 Offer 56 - I. 数组中数字出现的次数	C++	Middle	2021.9.30
64	剑指 Offer 56 - II. 数组中数字出现的次数 II	C++	Middle	2021.9.30
65	剑指 Offer 57 - II. 和为s的连续正数序列	C++	Easy	2021.9.30
66	剑指 Offer 58 - I. 翻转单词顺序	C++	Easy	2021.9.30
67	剑指 Offer 58 - II. 左旋转字符串	C++	Easy	2021.9.30
68	剑指 Offer 59 - I. 滑动窗口的最大值	C++	Hard	2021.9.30
69	剑指 Offer 59 - II. 队列的最大值	C++	Middle	2021.10.8
70	剑指 Offer 68 - I. 二叉搜索树的最近公共祖先	C++	Easy	2021.10.8
71	剑指 Offer 68 - II. 二叉树的最近公共祖先	C++	Easy	2021.10.8
72	剑指 Offer 14- II. 剪绳子 II	C++	Middle	2021.10.10
73	剑指 Offer 51. 数组中的逆序对	C++	Hard	2021.10.10
74	剑指 Offer 43. 1～n 整数中 1 出现的次数	C++	Hard	2021.10.13
75	剑指 Offer II 009. 乘积小于 K 的子数组	C++	Middle	2021.10.18
76	剑指 Offer II 011. 0 和 1 个数相同的子数组	C++	Middle	2021.10.18
77	剑指 Offer II 011. 0 和 1 个数相同的子数组	C++	Middle	2021.10.18

每日一题

Cnt	Problem	Solution	Difficulty	date
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

Name		Name	Last commit message	Last commit date
Latest commit History 344 Commits
AcWing/Contest-59		AcWing/Contest-59
AtCoder		AtCoder
CodeForces		CodeForces
GreekerParty		GreekerParty
KickStart		KickStart
Offer		Offer
Others		Others
README		README
Solutions		Solutions
data-structure		data-structure
.gitignore		.gitignore
README.md		README.md

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