Cara menggunakan leetcode-javascript problems github

Leetcode solutions in JavaScript. Most of them are within the top 90% of JavaScript runtime distribution (2018).

Templates are generated via Leetmark.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

LeetCode Solutions in JavaScript

• Tried to use optimal solutions as much as I can. Most solutions are from the LeetCode community.
• Written in Airbnb JavaScript style.
• A work in progress.
• If you find something wrong or the complexity is not good, you are very welcome to contribute your better solutions.

Easy

• 7. Reverse Integer - Solution
• 8. String to Integer (atoi) - Solution
• 9. Palindrome Number - Solution
• 13. Roman to Integer - Solution
• 14. Longest Common Prefix - Solution
• 19. Remove Nth Node From End of List - Solution
• 20. Valid Parentheses - Solution
• 21. Merge Two Sorted Lists - Solution
• 24. Swap Nodes in Pairs - Solution
• 28. Implement strStr() - Solution
• 26. Remove Duplicates from Sorted Array - Solution
• 27. Remove Element - Solution
• 36. Valid Sudoku - Solution
• 38. Count and Say - Solution
• 53. Maximum Subarray - Solution
• 66. Plus One - Solution
• 67. Add Binary - Solution
• 70. Climbing Stairs - Solution
• 83. Remove Duplicates from Sorted List - Solution
• 88. Merge Sorted Array - Solution
• 100. Same Tree - Solution
• 101. Symmetric Tree - Solution
• 102. Binary Tree Level Order Traversal - Solution
• 104. Maximum Depth of Binary Tree - Solution
• 107. Binary Tree Level Order Traversal II - Solution
• 110. Balanced Binary Tree - Solution
• 111. Minimum Depth of Binary Tree - Solution
• 112. Path Sum - Solution
• 118. Pascal's Triangle - Solution
• 119. Pascal's Triangle II - Solution
• 125. Valid Palindrome - Solution
• 160. Intersection of Two Linked Lists - Solution
• 165. Compare Version Numbers - Solution
• 167. Two Sum II - Input array is sorted - Solution
• 169. Majority Element - Solution
• 172. Factorial Trailing Zeroes - Solution
• 190. Reverse Bits - Solution
• 191. Number of 1 Bits - Solution
• 198. House Robber - Solution
• 202. Happy Number - Solution
• 203. Remove Linked List Elements - Solution
• 204. Count Primes - Solution
• 205. Isomorphic Strings - Solution
• 206. Reverse Linked List - Solution
• 217. Contains Duplicate - Solution
• 219. Contains Duplicate II - Solution
• 223. Rectangle Area - Solution
• 225. Implement Stack using Queues - Solution
• 226. Invert Binary Tree - Solution
• 228. Summary Ranges - Solution
• 231. Power of Two - Solution
• 232. Implement Queue using Stacks - Solution
• 234. Palindrome Linked List - Solution
• 235. Lowest Common Ancestor of a Binary Search Tree - Solution
• 237. Delete Node in a Linked List - Solution
• 242. Valid Anagram - Solution
• 243. Shortest Word Distance - Solution
• 258. Add Digits - Solution
• 263. Ugly Number - Solution
• 278. First Bad Version - Solution
• 283. Move Zeroes - Solution
• 290. Word Pattern - Solution
• 299. Bulls and Cows - Solution
• 303. Range Sum Query - Immutable - Solution
• 326. Power of Three - Solution
• 328. Odd Even Linked List - Solution
• 342. Power of Four - Solution
• 344. Reverse String - Solution
• 349. Intersection of Two Arrays - Solution
• 350. Intersection of Two Arrays II - Solution
• 367. Valid Perfect Square - Solution
• 412. Fizz Buzz - Solution

Medium

• 1. Two Sum - Solution
• 2. Add Two Numbers - Solution
• 3. Longest Substring Without Repeating Characters - Solution
• 5. Longest Palindromic Substring - Solution
• 11. Container With Most Water - Solution
• 12. Integer to Roman - Solution
• 15. 3Sum - Solution
• 16. 3Sum Closest - Solution
• 17. Letter Combinations of a Phone Number - Solution
• 22. Generate Parentheses - Solution
• 29. Divide Two Integers - Solution
• 31. Next Permutation - Solution
• 31. Next Permutation - Solution
• 33. Search in Rotated Sorted Array - Solution
• 34. Search for a Range - Solution
• 39. Combination Sum - Solution
• 40. Combination Sum II - Solution
• 43. Multiply Strings - Solution
• 46. Permutations - Solution
• 47. Permutations II - Solution
• 48. Rotate Image - Solution
• 49. Group Anagrams - Solution
• 50. Pow(x, n) - Solution
• 54. Spiral Matrix - Solution
• 55. Jump Game - Solution
• 59. Spiral Matrix II - Solution
• 60. Permutation Sequence - Solution
• 61. Rotate List - Solution
• 62. Unique Paths - Solution
• 63. Unique Paths II - Solution
• 64. Minimum Path Sum - Solution
• 69. Sqrt(x) - Solution
• 71. Simplify Path - Solution
• 73. Set Matrix Zeroes - Solution
• 74. Search a 2D Matrix - Solution
• 75. Sort Colors - Solution
• 77. Combinations - Solution
• 78. Subsets - Solution
• 79. Word Search - Solution
• 80. Remove Duplicates from Sorted Array II - Solution
• 81. Search in Rotated Sorted Array II - Solution
• 82. Remove Duplicates from Sorted List II - Solution
• 86. Partition List - Solution
• 89. Gray Code - Solution
• 90. Subsets II - Solution
• 91. Decode Ways - Solution
• 92. Reverse Linked List II - Solution
• 93. Restore IP Addresses - Solution
• 94. Binary Tree Inorder Traversal - Solution
• 96. Unique Binary Search Trees - Solution
• 98. Validate Binary Search Tree - Solution
• 103. Binary Tree Zigzag Level Order Traversal - Solution
• 105. Construct Binary Tree from Preorder and Inorder Traversal - Solution
• 106. Construct Binary Tree from Inorder and Postorder Traversal - Solution
• 108. Convert Sorted Array to Binary Search Tree - Solution
• 109. Convert Sorted List to Binary Search Tree - Solution
• 113. Path Sum II - Solution
• 114. Flatten Binary Tree to Linked List - Solution
• 116. Populating Next Right Pointers in Each Node - Solution
• 120. Triangle - Solution
• 121. Best Time to Buy and Sell Stock - Solution
• 122. Best Time to Buy and Sell Stock II - Solution
• 129. Sum Root to Leaf Numbers - Solution
• 127. Word Ladder - Solution
• 130. Surrounded Regions - Solution
• 131. Palindrome Partitioning - Solution
• 134. Gas Station - Solution
• 136. Single Number - Solution
• 139. Word Break - Solution
• 141. Linked List Cycle - Solution
• 142. Linked List Cycle II - Solution
• 143. Reorder List - Solution
• 144. Binary Tree Preorder Traversal - Solution
• 147. Insertion Sort List - Solution
• 148. Sort List - Solution
• 150. Evaluate Reverse Polish Notation - Solution
• 151. Reverse Words in a String - Solution
• 152. Maximum Product Subarray - Solution
• 153. Find Minimum in Rotated Sorted Array - Solution
• 162. Find Peak Element - Solution
• 173. Binary Search Tree Iterator - Solution
• 179. Largest Number - Solution
• 199. Binary Tree Right Side View - Solution
• 213. House Robber II - Solution
• 215. Kth Largest Element in an Array - Solution
• 216. Combination Sum III - Solution
• 221. Maximal Square - Solution
• 227. Basic Calculator II - Solution
• 229. Majority Element II - Solution
• 230. Kth Smallest Element in a BST - Solution
• 236. Lowest Common Ancestor of a Binary Tree - Solution
• 238. Product of Array Except Self - Solution
• 240. Search a 2D Matrix II - Solution
• 241. Different Ways to Add Parentheses - Solution
• 244. Shortest Word Distance II - Solution
• 245. Shortest Word Distance III - Solution
• 260. Single Number III - Solution
• 268. Missing Number - Solution
• 274. H-Index - Solution
• 284. Peeking Iterator - Solution
• 300. Longest Increasing Subsequence - Solution
• 309. Best Time to Buy and Sell Stock with Cooldown - Solution
• 318. Maximum Product of Word Lengths - Solution
• 319. Bulb Switcher - Solution
• 331. Verify Preorder Serialization of a Binary Tree - Solution
• 337. House Robber III - Solution
• 338. Counting Bits - Solution
• 347. Top K Frequent Elements - Solution
• 515. Find Largest Value in Each Tree Row - Solution

Hard

• 23. Merge k Sorted Lists - Solution
• 25. Reverse Nodes in k-Group - Solution
• 32. Longest Valid Parentheses - Solution
• 41. First Missing Positive - Solution
• 45. Jump Game II - Solution
• 56. Merge Intervals - Solution
• 57. Insert Interval - Solution
• 65. Valid Number - Solution
• 115. Distinct Subsequences - Solution
• 117. Populating Next Right Pointers in Each Node II - Solution
• 123. Best Time to Buy and Sell Stock III - Solution
• 132. Palindrome Partitioning II - Solution
• 145. Binary Tree Postorder Traversal - Solution
• 154. Find Minimum in Rotated Sorted Array II - Solution
• 273. Integer to English Words - Solution
• 287. Find the Duplicate Number - Solution