- 零件组装题
- 城市建路题
- find substrings
- [Amazon | OA 2020 | Top K Frequently Mentioned Keywords] __Description -> 692. Top K Frequent Words
- [Amazon | OA 2019 | Zombie in Matrix, 02/26|03/10] Description Code -> 994. Rotting Oranges
- [Amazon | OA 2019 | Critical Routers] Description Code
- [Amazon | OA 2020 | Product Suggestions, New Grad | Experienced] -> 1268. Search Suggestions System
- [Amazon | OA 2020 | Number of Clusters, Experienced] -> 200. Number of Islands
- [Amazon | OA 2020 | Reorder Data in Log Files, Experienced] -> 937. Reorder Data in Log Files
- [Amazon | OA 2020 | Partition Labels, Experienced] -> 763. Partition Labels
- [Optimal Utilization, 04/20] Description Code
- [Amazon | Min Cost to Connect Ropes / Min Time to Merge Files] Description Code
- [Amazon | OA 2019 | Treasure Island] Description Code -> 994. Rotting Oranges
- [Amazon | OA 2019 | Find Pair With Given Sum] Code
- [Amazon | OA 2019 | Top N competitors & Zombie in Matrix, 04/01] Description
- [Amazon | OA 2019 | Favorite Genres] Code
- [Amazon | OA 2019 | Two Sum - Unique Pairs] Code
- [Amazon | OA 2019 | Substrings with exactly K distinct chars] Code
- [Amazon | OA 2019 | Max Of Min Altitudes] Code
- [Amazon | OA 2019 | Substrings of size K with K distinct chars] Code -> 992. Subarrays with K Different Integers
- [Amazon | OA 2019 | Min Cost to Connect All Nodes] Code
- [Amazon | OA 2019 | Subtree with Maximum Average] Code -> 1120. Maximum Average Subtree
- 200. Number of Islands, 07/02|05/08|03/07
- 692. Top K Frequent Words, 05/31|06/20|06/19|05/10|04/17
- 937. Reorder Data in Log Files, 07/02|05/31|06/20|06/19|05/10|05/08|04/20|04/17
- 763. Partition Labels, 06/03
- 819. Most Common Word, 06/03
- 588. Design In-Memory File System
- 1192. Critical Connections in a Network, 03/26
- 240. Search a 2D Matrix II, 03/25
- [994. Rotting Oranges, 03/04|03/07] Code
- 1. Two Sum, 04/21
- 1162. As Far from Land as Possible, 03/04 BFS
- 1268. Search Suggestions System
- 5. Longest Palindromic Substring
- 22. Generate Parentheses
- 56. Merge Intervals
- 59. Spiral Matrix II
- 78. Subsets
- 79. Word Search
- 97. Interleaving String
- 121. Best Time to Buy and Sell Stock
- 122. Best Time to Buy and Sell Stock II
- 126. Word Ladder II
- 127. Word Ladder
- 139. Word Break DP, BSF, Recursion with flag
- 140. Word Break II
- 227. Basic Calculator II Stack
- 238. Product of Array Except Self
- 239. Sliding Window Maximum
- 253. Meeting Rooms II
- 269. Alien Dictionary
- 273. Integer to English Words
- 295. Find Median from Data Stream
- 297. Serialize and Deserialize Binary Tree
- 348. Design Tic-Tac-Toe
- 353. Design Snake Game Design
- 460. LFU Cache Design, DoublyLinkedList
- 472. Concatenated Words
- 542. 01 Matrix
- 572. Subtree of Another Tree
- 683. K Empty Slots Sliding Window
- 694. Number of Distinct Islands
- 863. All Nodes Distance K in Binary Tree Tree -> Undirected Graph
- 909. Snakes and Ladders BFS
- 957. Prison Cells After N Days
- 973. K Closest Points to Origin
- 992. Subarrays with K Different Integers
- 997. Find the Town Judge
- 1032. Stream of Characters Trie
- 1120. Maximum Average Subtree
- 1152. Analyze User Website Visit Pattern
- 1167. Minimum Cost to Connect Sticks