Categories
2024
Scan Line Algorithm
sliding window
1874. Minimize Product Sum of Two Arrays
322.CoinChange
279.PerfectSquares
377.CombinationSumIV
518.CoinChangeII
474.OnesAndZeroes
198.HouseRobber
121.BestTimeToBuyAndSellStock
337.HouseRobberIII
213.HouseRobberII
Binary Tree
494. TargetSum
1049.LastStoneWeight II
Binary Tree Traversal
416.PartitionEqualSubsetSum
greedy algorithm
dynamic programming
96.UniqueBinarySearchTrees
343.IntegerBreak
122.BestTimeToBuyAndSellStock II
501.find-mode-in-binary-search-tree.java
450.delete-node-in-a-bst.java
236.lowest-common-ancestor-of-a-binary-tree.java
113.path-sum-ii.java
112.path-sum.java
108.convert-sorted-array-to-binary-search-tree.java
106.construct-binary-tree-from-inorder-and-postorder-traversal.java
105.construct-binary-tree-from-preorder-and-inorder-traversal.java
63. Unique Paths II
62. Unique Paths
93. Restore IP Addresses
102. Binary Tree Level Order Traversal
94.binary-tree-inorder-traversal.java
145.binary-tree-postorder-traversal.java
144.binary-tree-preorder-traversal.java
347. Top K Frequent Elements
239. Sliding Window Maximum
150. Evaluate Reverse Polish Notation
1047. Remove All Adjacent Duplicates In String
232. Implement Queue using Stacks
225. Implement Stack using Queues
20. Valid Parentheses
28. Find the Index of the First Occurrence in a String
151. Reverse Words in a String
344. Reverse String
541. Reverse String II
18. 4Sum
383. Ransom Note
15. 3Sum
454. 4Sum II
1. Two Sum
349. Intersection of Two Arrays
202. Happy Number
242. Valid Anagram
142. Linked List Cycle II
19. Remove Nth Node From End of List
24. Swap Nodes in Pairs
160. Intersection of Two Linked Lists
707. Design Linked List
206. Reverse Linked List
203. Remove Linked List Elements
59. Spiral Matrix II
977. Squares of a Sorted Array
209. Minimum Size Subarray Sum
704. Binary Search
27. Remove Element
746. Min Cost Climbing Stairs
70. Climbing Stairs
509. Fibonacci Number
784.Letter Case Permutation
故地重游
47.Permutations-ii
46.Permutations
216.Combination Sum III
回溯算法
78.subsets
77.combinations
40.combination-sum-ii
39.combination-sum
17.letter-combinations-of-a-phone-number
如何用 GitHub Pages + Hugo 搭建个人博客
Hong Kong Memories
90.subsets-ii
