AuthorsLog

88. Merge Sorted Array

1442. Count Triplets That Can Form Two Arrays of Equal XOR

3171. Find Subarray With Bitwise AND Closest to K

846. Hand of Straights

3164. Find the Number of Good Pairs II

3177. Find the Maximum Length of a Good Subsequence II

3175. Find The First Player to win K Games in a Row

3181. Maximum Total Reward Using Operations II

1552. Magnetic Force Between Two Balls

1248. Count Number of Nice Subarrays

3193. Count the Number of Inversions

3192. Minimum Operations to Make Binary Array Elements Equal to One II

3191. Minimum Operations to Make Binary Array Elements Equal to One I

3190. Find Minimum Operations to Make All Elements Divisible by Three

3196. Maximize Total Cost of Alternating Subarrays

3197. Find the Minimum Area to Cover All Ones II

3195. Find the Minimum Area to Cover All Ones I

3194. Minimum Average of Smallest and Largest Elements

1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

995. Minimum Number of K Consecutive Bit Flips

1038. Binary Search Tree to Greater Sum Tree

538. Convert BST to Greater Tree

1382. Balance a Binary Search Tree

1791. Find Center of Star Graph

2285. Maximum Total Importance of Roads

523. Continuous Subarray Sum

3174. Clear Digits

2192. All Ancestors of a Node in a Directed Acyclic Graph

3203. Find Minimum Diameter After Merging Two Trees

3202. Find the Maximum Length of Valid Subsequence II

3201. Find the Maximum Length of Valid Subsequence I

3200. Maximum Height of a Triangle

1579. Remove Max Number of Edges to Keep Graph Fully Traversable

27. Remove Element

26. Remove Duplicates from Sorted Array

80. Remove Duplicates from Sorted Array II

169. Majority Element

189. Rotate Array

121. Best Time to Buy and Sell Stock

122. Best Time to Buy and Sell Stock II

45. Jump Game II

380. Insert Delete GetRandom O(1)

238. Product of Array Except Self

134. Gas Station

13. Roman to Integer

12. Integer to Roman

58. Length of Last Word

14. Longest Common Prefix

151. Reverse Words in a String

6. Zigzag Conversion

28. Find the Index of the First Occurrence in a String

125. Valid Palindrome

392. Is Subsequence

167. Two Sum II - Input Array Is Sorted

11. Container With Most Water

3206. Alternating Groups I

3207. Maximum Points After Enemy Battles

3208. Alternating Groups II

3209. Number of Subarrays With AND Value of K

209. Minimum Size Subarray Sum

1518. Water Bottles

3210. Find the Encrypted String

3211. Generate Binary Strings Without Adjacent Zeros

3212. Count Submatrices With Equal Frequency of X and Y

3. Longest Substring Without Repeating Characters

36. Valid Sudoku

54. Spiral Matrix

48. Rotate Image

73. Set Matrix Zeroes

289. Game of Life

289. Game of Life

383. Ransom Note

205. Isomorphic Strings

290. Word Pattern

242. Valid Anagram

49. Group Anagrams

202. Happy Number

219. Contains Duplicate II

128. Longest Consecutive Sequence

228. Summary Ranges

56. Merge Intervals

57. Insert Interval

452. Minimum Number of Arrows to Burst Balloons

20. Valid Parentheses

71. Simplify Path

150. Evaluate Reverse Polish Notation

141. Linked List Cycle

2. Add Two Numbers

21. Merge Two Sorted Lists

138. Copy List with Random Pointer

92. Reverse Linked List II

19. Remove Nth Node From End of List

82. Remove Duplicates from Sorted List II

3216. Lexicographically Smallest String After a Swap

3217. Delete Nodes From Linked List Present in Array

3218. Minimum Cost for Cutting Cake I

3219. Minimum Cost for Cutting Cake II

61. Rotate List

86. Partition List

104. Maximum Depth of Binary Tree

226. Invert Binary Tree

101. Symmetric Tree

105. Construct Binary Tree from Preorder and Inorder Traversal

106. Construct Binary Tree from Inorder and Postorder Traversal

117. Populating Next Right Pointers in Each Node II

114. Flatten Binary Tree to Linked List

129. Sum Root to Leaf Numbers

173. Binary Search Tree Iterator

222. Count Complete Tree Nodes

236. Lowest Common Ancestor of a Binary Tree

199. Binary Tree Right Side View

637. Average of Levels in Binary Tree

102. Binary Tree Level Order Traversal

103. Binary Tree Zigzag Level Order Traversal

530. Minimum Absolute Difference in BST

230. Kth Smallest Element in a BST

98. Validate Binary Search Tree

200. Number of Islands

130. Surrounded Regions

133. Clone Graph

399. Evaluate Division

207. Course Schedule

210. Course Schedule II

909. Snakes and Ladders

433. Minimum Genetic Mutation

208. Implement Trie (Prefix Tree)

211. Design Add and Search Words Data Structure

17. Letter Combinations of a Phone Number

77. Combinations

46. Permutations

3228. Maximum Number of Operations to Move Ones to the End

3229. Minimum Operations to Make Array Equal to Target

22. Generate Parentheses

79. Word Search

108. Convert Sorted Array to Binary Search Tree

427. Construct Quad Tree

53. Maximum Subarray

918. Maximum Sum Circular Subarray

35. Search Insert Position

74. Search a 2D Matrix

162. Find Peak Element

33. Search in Rotated Sorted Array

153. Find Minimum in Rotated Sorted Array

215. Kth Largest Element in an Array

373. Find K Pairs with Smallest Sums

190. Reverse Bits

191. Number of 1 Bits

136. Single Number

137. Single Number II

201. Bitwise AND of Numbers Range

9. Palindrome Number

172. Factorial Trailing Zeroes

70. Climbing Stairs

198. House Robber

139. Word Break

322. Coin Change

300. Longest Increasing Subsequence

64. Minimum Path Sum

63. Unique Paths II

5. Longest Palindromic Substring

97. Interleaving String

72. Edit Distance

221. Maximal Square

39. Combination Sum

131. Palindrome Partitioning

94. Binary Tree Inorder Traversal

437. Path Sum III

543. Diameter of Binary Tree

62. Unique Paths

118. Pascal's Triangle

152. Maximum Product Subarray

Priority Queue in JavaScript

279. Perfect Squares

416. Partition Equal Subset Sum

1143. Longest Common Subsequence

994. Rotting Oranges

763. Partition Labels

560. Subarray Sum Equals K

347. Top K Frequent Elements

24. Swap Nodes in Pairs

142. Linked List Cycle II

160. Intersection of Two Linked Lists

206. Reverse Linked List

234. Palindrome Linked List

240. Search a 2D Matrix II

438. Find All Anagrams in a String

394. Decode String

739. Daily Temperatures

283. Move Zeroes

31. Next Permutation

75. Sort Colors

7. Reverse Integer

8. String to Integer (atoi)

16. 3Sum Closest

29. Divide Two Integers

38. Count and Say

40. Combination Sum II

43. Multiply Strings

47. Permutations II

59. Spiral Matrix II

81. Search in Rotated Sorted Array II

91. Decode Ways

93. Restore IP Addresses

95. Unique Binary Search Trees II

96. Unique Binary Search Trees

99. Recover Binary Search Tree

109. Convert Sorted List to Binary Search Tree

110. Balanced Binary Tree

111. Minimum Depth of Binary Tree

113. Path Sum II

107. Binary Tree Level Order Traversal II

119. Pascal's Triangle II

116. Populating Next Right Pointers in Each Node

143. Reorder List

144. Binary Tree Preorder Traversal

145. Binary Tree Postorder Traversal

147. Insertion Sort List

1768. Merge Strings Alternately

1071. Greatest Common Divisor of Strings

1431. Kids With the Greatest Number of Candies

605. Can Place Flowers

345. Reverse Vowels of a String

334. Increasing Triplet Subsequence

443. String Compression

1679. Max Number of K-Sum Pairs

643. Maximum Average Subarray I

1456. Maximum Number of Vowels in a Substring of Given Length

1004. Max Consecutive Ones III

1493. Longest Subarray of 1's After Deleting One Element

1732. Find the Highest Altitude

724. Find Pivot Index

2215. Find the Difference of Two Arrays

1207. Unique Number of Occurrences

1657. Determine if Two Strings Are Close

2352. Equal Row and Column Pairs

2390. Removing Stars From a String

735. Asteroid Collision

933. Number of Recent Calls

649. Dota2 Senate

2095. Delete the Middle Node of a Linked List

328. Odd Even Linked List

2130. Maximum Twin Sum of a Linked List

872. Leaf-Similar Trees

1448. Count Good Nodes in Binary Tree

1372. Longest ZigZag Path in a Binary Tree

1161. Maximum Level Sum of a Binary Tree

700. Search in a Binary Search Tree

450. Delete Node in a BST

841. Keys and Rooms

547. Number of Provinces

1466. Reorder Routes to Make All Paths Lead to the City Zero

1926. Nearest Exit from Entrance in Maze

2336. Smallest Number in Infinite Set

2542. Maximum Subsequence Score

2462. Total Cost to Hire K Workers

2300. Successful Pairs of Spells and Potions

374. Guess Number Higher or Lower

875. Koko Eating Bananas

216. Combination Sum III

1137. N-th Tribonacci Number

746. Min Cost Climbing Stairs

790. Domino and Tromino Tiling

714. Best Time to Buy and Sell Stock with Transaction Fee

338. Counting Bits

1318. Minimum Flips to Make a OR b Equal to c

1268. Search Suggestions System

435. Non-overlapping Intervals

901. Online Stock Span

1905. Count Sub Islands

164. Maximum Gap

165. Compare Version Numbers

166. Fraction to Recurring Decimal

168. Excel Sheet Column Title

171. Excel Sheet Column Number

179. Largest Number

187. Repeated DNA Sequences

203. Remove Linked List Elements

204. Count Primes

213. House Robber II

217. Contains Duplicate

223. Rectangle Area

225. Implement Stack using Queues

227. Basic Calculator II

229. Majority Element II

231. Power of Two

232. Implement Queue using Stacks

235. Lowest Common Ancestor of a Binary Search Tree

237. Delete Node in a Linked List

241. Different Ways to Add Parentheses

257. Binary Tree Paths

258. Add Digits

260. Single Number III

263. Ugly Number

268. Missing Number

275. H-Index II

2022. Convert 1D Array Into 2D Array

1894. Find the Student that Will Replace the Chalk

299. Bulls and Cows

278. First Bad Version

1945. Sum of Digits of String After Convert

284. Peeking Iterator

874. Walking Robot Simulation

287. Find the Duplicate Number

303. Range Sum Query - Immutable

304. Range Sum Query 2D - Immutable

306. Additive Number

307. Range Sum Query - Mutable

2028. Find Missing Observations

309. Best Time to Buy and Sell Stock with Cooldown

310. Minimum Height Trees

313. Super Ugly Number

316. Remove Duplicate Letters

318. Maximum Product of Word Lengths

319. Bulb Switcher

324. Wiggle Sort II

326. Power of Three

331. Verify Preorder Serialization of a Binary Tree

337. House Robber III

341. Flatten Nested List Iterator

1367. Linked List in Binary Tree

342. Power of Four

343. Integer Break

725. Split Linked List in Parts

344. Reverse String

349. Intersection of Two Arrays

355. Design Twitter

357. Count Numbers with Unique Digits

365. Water and Jug Problem

2326. Spiral Matrix IV

367. Valid Perfect Square

368. Largest Divisible Subset

2807. Insert Greatest Common Divisors in Linked List

371. Sum of Two Integers

375. Guess Number Higher or Lower II

376. Wiggle Subsequence

377. Combination Sum IV

378. Kth Smallest Element in a Sorted Matrix

2220. Minimum Bit Flips to Convert Number

382. Linked List Random Node

384. Shuffle an Array

385. Mini Parser

386. Lexicographical Numbers

1684. Count the Number of Consistent Strings

387. First Unique Character in a String

388. Longest Absolute File Path

389. Find the Difference

1310. XOR Queries of a Subarray

390. Elimination Game

393. UTF-8 Validation

395. Longest Substring with At Least K Repeating Characters

396. Rotate Function

397. Integer Replacement

398. Random Pick Index

2419. Longest Subarray With Maximum Bitwise AND

401. Binary Watch

402. Remove K Digits

404. Sum of Left Leaves

405. Convert a Number to Hexadecimal

406. Queue Reconstruction by Height

1371. Find the Longest Substring Containing Vowels in Even Counts

409. Longest Palindrome

Mastering Your Money Mindset: Unleashing Abundance and Financial Freedom

539. Minimum Time Difference