LeetCode: 字节跳动

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字节跳动

字节跳动常见算法题。

最近 30 天

最近 3 个月

最近 6 个月

1. 两数之和
3. 无重复字符的最长子串
[0988-smallest-string-starting-from-leaf]
7. Reverse Integer
8. String to Integer (atoi)
9. Palindrome Number
11. 盛最多水的容器
12. Integer to Roman
2. Add Two Numbers
15. 三数之和
16. 3Sum Closest
17. Letter Combinations of a Phone Number
18. 4Sum
19. 删除链表的倒数第 N 个结点
20. Valid Parentheses
21. 合并两个有序链表
22. Generate Parentheses
23. 合并 K 个升序链表
24. Swap Nodes in Pairs
4. Median of Two Sorted Arrays
26. Remove Duplicates from Sorted Array
27. 移除元素
28. 找出字符串中第一个匹配项的下标
25. K 个一组翻转链表
5. 最长回文子串
31. 下一个排列
33. 搜索旋转排序数组
34. 在排序数组中查找元素的第一个和最后一个位置
35. Search Insert Position
37. 解数独
40. 组合总和 II
41. 缺失的第一个正数
43. Multiply Strings
39. 组合总和
45. Jump Game II
42. 接雨水
46. 全排列
48. 旋转图像
49. Group Anagrams
50. Pow(x, n)
51. N-Queens
53. 最大子数组和
54. 螺旋矩阵
55. Jump Game
56. 合并区间
10. Regular Expression Matching
59. Spiral Matrix II
62. 不同路径
63. 不同路径 II
70. Climbing Stairs
14. Longest Common Prefix
72. 编辑距离
73. Set Matrix Zeroes
74. 搜索二维矩阵
76. 最小覆盖子串
78. Subsets
80. Remove Duplicates from Sorted Array II
82. Remove Duplicates from Sorted List II
[0085-maximal-rectangle]
86. Partition List
88. 合并两个有序数组
91. Decode Ways
92. 反转链表 II
93. 复原 IP 地址
96. 不同的二叉搜索树
100. Same Tree
101. Symmetric Tree
102. 二叉树的层序遍历
103. Binary Tree Zigzag Level Order Traversal
104. Maximum Depth of Binary Tree
105. Construct Binary Tree from Preorder and Inorder Traversal
106. Construct Binary Tree from Inorder and Postorder Traversal
108. 将有序数组转换为二叉搜索树
110. Balanced Binary Tree
[2924-find-champion-ii]
121. 买卖股票的最佳时机
122. Best Time to Buy and Sell Stock II
125. Valid Palindrome
128. 最长连续序列
[1068-product-sales-analysis-i]
131. 分割回文串
134. Gas Station
135. Candy
138. Copy List with Random Pointer
139. 单词拆分
141. 环形链表
142. 环形链表 II
146. LRU 缓存
148. 排序链表
151. Reverse Words in a String
153. Find Minimum in Rotated Sorted Array
152. Maximum Product Subarray
[0550-game-play-analysis-iv]
[0165-compare-version-numbers]
169. Majority Element
176. Second Highest Salary
179. Largest Number
[0181-employees-earning-more-than-their-managers]
189. 轮转数组
198. 打家劫舍
199. Binary Tree Right Side View
200. 岛屿数量
203. 移除链表元素
206. 反转链表
209. 长度最小的子数组
215. 数组中的第K个最大元素
[0216-combination-sum-iii]
221. 最大正方形
1143. 最长公共子序列
226. Invert Binary Tree
[0228-summary-ranges]
238. Product of Array Except Self
239. Sliding Window Maximum
240. Search a 2D Matrix II
[0253-meeting-rooms-ii]
[0264-ugly-number-ii]
[0274-h-index]
279. Perfect Squares
283. Move Zeroes
287. Find the Duplicate Number
289. Game of Life
300. Longest Increasing Subsequence
[0310-minimum-height-trees]
322. 零钱兑换
[2235-add-two-integers]
343. 整数拆分
347. 前 K 个高频元素
[0349-intersection-of-two-arrays]
[0365-water-and-jug-problem]
[1251-average-selling-price]
[0377-combination-sum-iv]
380. Insert Delete GetRandom O(1)
[0386-lexicographical-numbers]
387. First Unique Character in a String
392. Is Subsequence
394. Decode String
402. Remove K Digits
416. 分割等和子集
[0417-pacific-atlantic-water-flow]
438. Find All Anagrams in a String
[0452-minimum-number-of-arrows-to-burst-balloons]
454. 4Sum II
474. 一和零
[1378-replace-employee-id-with-the-unique-identifier]
494. Target Sum
516. 最长回文子序列
560. Subarray Sum Equals K
[0595-big-countries]
[0611-valid-triangle-number]
[0649-dota2-senate]
662. 二叉树最大宽度
669. Trim a Binary Search Tree
[0680-valid-palindrome-ii]
695. Max Area of Island
713. Subarray Product Less Than K
718. 最长重复子数组
[0763-partition-labels]
[1661-average-time-of-process-per-machine]
[2831-find-the-longest-equal-subarray]
704. Binary Search
[2789-largest-element-in-an-array-after-merge-operations]
707. 设计链表
[1766-tree-of-coprimes]
[1768-merge-strings-alternately]
[1757-recyclable-and-low-fat-products]
[0871-minimum-number-of-refueling-stops]
[0902-numbers-at-most-n-given-digit-set]
912. Sort an Array
946. Validate Stack Sequences
[1883-minimum-skips-to-arrive-at-meeting-on-time]
[0977-squares-of-a-sorted-array]
654. Maximum Binary Tree
143. 重排链表
[0537-complex-number-multiplication]
175. Combine Two Tables
[0185-department-top-three-salaries]
[2007-find-original-array-from-doubled-array]
[0455-assign-cookies]
202. 快乐数
75. Sort Colors
84. 柱状图中最大的矩形
[0097-interleaving-string]
236. 二叉树的最近公共祖先
752. Open the Lock
123. Best Time to Buy and Sell Stock III
[1004-max-consecutive-ones-iii]
[0670-maximum-swap]
30. 串联所有单词的子串
[0036-valid-sudoku]
64. 最小路径和
[2589-minimum-time-to-complete-all-tasks]
234. Palindrome Linked List
[1052-grumpy-bookstore-owner]
[0514-freedom-trail]
[0522-longest-uncommon-subsequence-ii]
[0994-rotting-oranges]
[0541-reverse-string-ii]
47. Permutations II
69. Sqrt(x)
[0584-find-customer-referee]
83. Remove Duplicates from Sorted List
[1502-can-make-arithmetic-progression-from-sequence]
94. Binary Tree Inorder Traversal
617. Merge Two Binary Trees
[1539-kth-missing-positive-number]
124. 二叉树中的最大路径和
155. Min Stack
160. Intersection of Two Linked Lists
[0178-rank-scores]
[0180-consecutive-numbers]
[1581-customer-who-visited-but-did-not-make-any-transactions]
191. Number of 1 Bits
208. 实现 Trie (前缀树)
721. 账户合并
227. Basic Calculator II
[2769-find-the-maximum-achievable-number]
[0260-single-number-iii]
[2739-total-distance-traveled]
[2813-maximum-elegance-of-a-k-length-subsequence]
875. Koko Eating Bananas
409. Longest Palindrome
[0918-maximum-sum-circular-subarray]
1081. 不同字符的最小子序列
1049. 最后一块石头的重量 II
1997. 访问完所有房间的第一天
316. 去除重复字母
6. ZigZag Conversion
[1907-count-salary-categories]
13. Roman to Integer
32. 最长有效括号
[1953-maximum-number-of-weeks-for-which-you-can-work]
[1934-confirmation-rate]
[1976-number-of-ways-to-arrive-at-destination]
[0044-wildcard-matching]
52. N-Queens II
[1992-find-all-groups-of-farmland]
57. Insert Interval
61. Rotate List
[1965-employees-with-missing-information]
67. Add Binary
[0068-text-justification]
79. Word Search
89. Gray Code
99. Recover Binary Search Tree
107. Binary Tree Level Order Traversal II
[2028-find-missing-observations]
112. Path Sum
114. Flatten Binary Tree to Linked List
[0115-distinct-subsequences]
118. Pascal’s Triangle
130. Surrounded Regions
[0132-palindrome-partitioning-ii]
133. Clone Graph
144. Binary Tree Preorder Traversal
145. Binary Tree Postorder Traversal
162. Find Peak Element
166. Fraction to Recurring Decimal
167. Two Sum II - Input array is sorted
171. Excel Sheet Column Number
[0174-dungeon-game]
[2105-watering-plants-ii]
[0183-customers-who-never-order]
[0187-repeated-dna-sequences]
188. Best Time to Buy and Sell Stock IV
[0196-delete-duplicate-emails]
207. 课程表
[0211-design-add-and-search-words-data-structure]
[0214-shortest-palindrome]
[2162-minimum-cost-to-set-cooking-time]
[0219-contains-duplicate-ii]
222. Count Complete Tree Nodes
[0224-basic-calculator]
[2157-groups-of-strings]
232. Implement Queue using Stacks
237. Delete Node in a Linked List
242. Valid Anagram
[2181-merge-nodes-in-between-zeros]
257. Binary Tree Paths
[0258-add-digits]
278. First Bad Version
[0280-wiggle-sort]
[0290-word-pattern]
295. 数据流的中位数
297. Serialize and Deserialize Binary Tree
[0301-remove-invalid-parentheses]
[0306-additive-number]
309. Best Time to Buy and Sell Stock with Cooldown
[2276-count-integers-in-intervals]
[0312-burst-balloons]
[2244-minimum-rounds-to-complete-all-tasks]
[0315-count-of-smaller-numbers-after-self]
324. Wiggle Sort II
[0327-count-of-range-sum]
[0332-reconstruct-itinerary]
334. Increasing Triplet Subsequence
337. 打家劫舍 III
[2293-min-max-game]
[0345-reverse-vowels-of-a-string]
[2320-count-number-of-ways-to-place-houses]
350. Intersection of Two Arrays II
[2316-count-unreachable-pairs-of-nodes-in-an-undirected-graph]
[0367-valid-perfect-square]
[0376-wiggle-subsequence]
[0383-ransom-note]
395. Longest Substring with At Least K Repeating Characters
[0396-rotate-function]
[0403-frog-jump]
404. Sum of Left Leaves
[0405-convert-a-number-to-hexadecimal]
[0410-split-array-largest-sum]
[2385-amount-of-time-for-binary-tree-to-be-infected]
[0414-third-maximum-number]
415. 字符串相加
[2386-find-the-k-sum-of-an-array]
[0421-maximum-xor-of-two-numbers-in-an-array]
[2391-minimum-amount-of-time-to-collect-garbage]
[0435-non-overlapping-intervals]
[0440-k-th-smallest-in-lexicographical-order]
[2406-divide-intervals-into-minimum-number-of-groups]
[0443-string-compression]
[2356-number-of-unique-subjects-taught-by-each-teacher]
448. Find All Numbers Disappeared in an Array
[0451-sort-characters-by-frequency]
453. Minimum Moves to Equal Array Elements
[0459-repeated-substring-pattern]
462. Minimum Moves to Equal Array Elements II
[0468-validate-ip-address]
[0475-heaters]
480. Sliding Window Median
[2439-minimize-maximum-of-array]
[0485-max-consecutive-ones]
[0486-predict-the-winner]
[0498-diagonal-traverse]
[2447-number-of-subarrays-with-gcd-equal-to-k]
503. Next Greater Element II
[2462-total-cost-to-hire-k-workers]
513. Find Bottom Left Tree Value
[2476-closest-nodes-queries-in-a-binary-search-tree]
[0521-longest-uncommon-subsequence-i]
523. Continuous Subarray Sum
[0526-beautiful-arrangement]
[2481-minimum-cuts-to-divide-a-circle]
[0529-minesweeper]
530. 二叉搜索树的最小绝对差
538. Convert BST to Greater Tree
[0540-single-element-in-a-sorted-array]
[0542-01-matrix]
[0546-remove-boxes]
547. 省份数量
[2508-add-edges-to-make-degrees-of-all-nodes-even]
[0552-student-attendance-record-ii]
567. Permutation in String
[0569-median-employee-salary]
[0574-winning-candidate]
[0577-employee-bonus]
581. Shortest Unsorted Continuous Subarray
[0585-investments-in-2016]
[0596-classes-more-than-5-students]
[2580-count-ways-to-group-overlapping-ranges]
[0605-can-place-flowers]
[0608-tree-node]
[2588-count-the-number-of-beautiful-subarrays]
[0610-triangle-judgement]
[0614-second-degree-follower]
[2594-minimum-time-to-repair-cars]
[0623-add-one-row-to-tree]
[0632-smallest-range-covering-elements-from-k-lists]
[2552-count-increasing-quadruplets]
[2663-lexicographically-smallest-beautiful-string]
[0642-design-search-autocomplete-system]
[0645-set-mismatch]
647. Palindromic Substrings
[0650-2-keys-keyboard]
[0653-two-sum-iv-input-is-a-bst]
[0658-find-k-closest-elements]
[0674-longest-continuous-increasing-subsequence]
[0697-degree-of-an-array]
[0712-minimum-ascii-delete-sum-for-two-strings]
[2626-array-reduce-transformation]
714. Best Time to Buy and Sell Stock with Transaction Fee
724. Find Pivot Index
[2648-generate-fibonacci-sequence]
[0728-self-dividing-numbers]
[2670-find-the-distinct-difference-array]
[2684-maximum-number-of-moves-in-a-grid]
746. 使用最小花费爬楼梯
[2703-return-length-of-arguments-passed]
701. Insert into a Binary Search Tree
[0773-sliding-puzzle]
[2749-minimum-operations-to-make-the-integer-zero]
[0787-cheapest-flights-within-k-stops]
[0794-valid-tic-tac-toe-state]
[0797-all-paths-from-source-to-target]
[2725-interval-cancellation]
[0705-design-hashset]
[2762-continuous-subarrays]
[2771-longest-non-decreasing-subarray-from-two-arrays]
[0805-split-array-with-same-average]
[2800-shortest-string-that-contains-three-strings]
[2810-faulty-keyboard]
[0827-making-a-large-island]
[0828-count-unique-characters-of-all-substrings-of-a-given-string]
[0829-consecutive-numbers-sum]
[2812-find-the-safest-path-in-a-grid]
[0842-split-array-into-fibonacci-sequence]
[0847-shortest-path-visiting-all-nodes]
[0853-car-fleet]
[0857-minimum-cost-to-hire-k-workers]
[0860-lemonade-change]
[0862-shortest-subarray-with-sum-at-least-k]
[0863-all-nodes-distance-k-in-binary-tree]
[0867-transpose-matrix]
870. Advantage Shuffle
[0886-possible-bipartition]
[0887-super-egg-drop]
[0901-online-stock-span]
904. Fruit Into Baskets
[0907-sum-of-subarray-minimums]
[0914-x-of-a-kind-in-a-deck-of-cards]
[0924-minimize-malware-spread]
[0928-minimize-malware-spread-ii]
[0930-binary-subarrays-with-sum]
[0938-range-sum-of-bst]
[2896-apply-operations-to-make-two-strings-equal]
[0958-check-completeness-of-a-binary-tree]
[0965-univalued-binary-tree]
[0968-binary-tree-cameras]
509. Fibonacci Number
[0983-minimum-cost-for-tickets]
[0986-interval-list-intersections]
[2878-get-the-size-of-a-dataframe]
2850. 将石头分散到网格图的最少移动次数
[1017-convert-to-base-2]
[1027-longest-arithmetic-subsequence]
[1044-longest-duplicate-substring]
1047. 删除字符串中的所有相邻重复项
[1045-customers-who-bought-all-products]
[2932-maximum-strong-pair-xor-i]
[2928-distribute-candies-among-children-i]
[1079-letter-tile-possibilities]
[1075-project-employees-i]
[2946-matrix-similarity-after-cyclic-shifts]
[2959-number-of-possible-sets-of-closing-branches]
[0511-game-play-analysis-i]
[2965-find-missing-and-repeated-values]
[2952-minimum-number-of-coins-to-be-added]
[1115-print-foobar-alternately]
[1103-distribute-candies-to-people]
[1112-highest-grade-for-each-student]
[1116-print-zero-even-odd]
[1141-user-activity-for-the-past-30-days-i]
[1146-snapshot-array]
[1329-sort-the-matrix-diagonally]
[1148-article-views-i]
[1171-remove-zero-sum-consecutive-nodes-from-linked-list]
[3040-maximum-number-of-operations-with-the-same-score-ii]
[3067-count-pairs-of-connectable-servers-in-a-weighted-tree-network]
[3086-minimum-moves-to-pick-k-ones]
[1174-immediate-food-delivery-ii]
[1405-longest-happy-string]
[3114-latest-time-you-can-obtain-after-replacing-characters]
[1195-fizz-buzz-multithreaded]
[1208-get-equal-substrings-within-budget]
[3099-harshad-number]
[3115-maximum-prime-difference]
[1204-last-person-to-fit-in-the-bus]
[3110-score-of-a-string]
[1219-path-with-maximum-gold]
[1226-the-dining-philosophers]
[1233-remove-sub-folders-from-the-filesystem]
[2312-selling-pieces-of-wood]
[1254-number-of-closed-islands]
[1255-maximum-score-words-formed-by-letters]
[3149-find-the-minimum-cost-array-permutation]
[3160-find-the-number-of-distinct-colors-among-the-balls]
[3171-find-subarray-with-bitwise-or-closest-to-k]
[3180-maximum-total-reward-using-operations-i]
[1268-search-suggestions-system]
[1283-find-the-smallest-divisor-given-a-threshold]
[3197-find-the-minimum-area-to-cover-all-ones-ii]
[1280-students-and-examinations]
[1297-maximum-number-of-occurrences-of-a-substring]
[1349-maximum-students-taking-exam]
[1422-maximum-score-after-splitting-a-string]
[1442-count-triplets-that-can-form-two-arrays-of-equal-xor]
[1450-number-of-students-doing-homework-at-a-given-time]
[1490-clone-n-ary-tree]
[1518-water-bottles]
[1530-number-of-good-leaf-nodes-pairs]
[1542-find-longest-awesome-substring]
[1574-shortest-subarray-to-be-removed-to-make-array-sorted]
[1600-throne-inheritance]
[1622-fancy-sequence]
[1673-find-the-most-competitive-subsequence]
[1702-maximum-binary-string-after-change]
[1695-maximum-erasure-value]
[1705-maximum-number-of-eaten-apples]
[1723-find-minimum-time-to-finish-all-jobs]
[1683-invalid-tweets]
[1738-find-kth-largest-xor-coordinate-value]
[1769-minimum-number-of-operations-to-move-all-balls-to-each-box]
[1789-primary-department-for-each-employee]
[1839-longest-substring-of-all-vowels-in-order]
[1849-splitting-a-string-into-descending-consecutive-values]
[1884-egg-drop-with-2-eggs-and-n-floors]