上岸核心算法题
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  • 基础题
  • 核心算法200题
    • Sort Algorithms
      • MergeSort
      • Merge Two Sorted Array
      • QuickSort
      • Sort Integers II
      • Partition Array
      • N Car Fleet
      • Reverse Pairs
      • Sort Colors
      • Sort Colors II
      • Subarray Sum closest
      • Merge k Sorted Lists
      • Sort List
    • Binary Search
      • Last Position of Target
      • Positive Product
      • Guess Number Higher or Lower
      • Find Minimum in Rotated Sorted Array
      • Find Minimum in Rotated Sorted Array II
      • Kth Smallest Element in a Sorted Matrix
      • Search a 2D Matrix
      • Maximum Number in Mountain Sequence
      • Find K Closest Elements
      • Search in a Big Sorted Array
      • Fast Power
      • Find Peak Element
      • First Bad Version
      • Search in Rotated Sorted Array
      • add two numbers II
    • LinkedList
      • Reverse Linked List
      • Remove Duplicates from Sorted List
      • Remove Duplicates from Sorted List
      • Merge Two Sorted List
      • Intersection of Two Linked Lists
      • Add Two Numbers
    • List & Queue & Stack
      • Min Stack
      • Evaluate Reverse Polish Notation
      • Convert Expression to Reverse Polish Notation
    • Hashmap & Heap
      • Kth Largest Element in an Array
      • Missing Number
      • Ugly Number II
      • Implement Queue by Two Stack
      • Merge K Sorted Lists
      • Top k Largest Numbers
      • K Closest Points
      • Insert Delete GetRandom O(1)
      • First Unique Character in a String
      • Implement Stack by Two Queues
      • Moving Average from Data Stream
    • Two Pointers
      • Remove duplicates from adjacent/sorted array
      • Reverse String
      • Reverse String II
      • Reverse Words in a String
      • String shift/rotate
      • Reverse Words in a String III
      • Implement strStr()
      • Palindrome Number
      • Valid Palindrome
      • Valid Anagram
      • Kth Largest Element
      • Partition Array
      • 3Sum
      • Sort Colors II
      • Two Sum II - Input array is sorted
      • Sort Integers II
      • Remove Duplicate Numbers in Array
      • Move Zeroes
      • Two Sum III - Data structure design
      • Middle of Linked List
    • BIT Operation & Math
      • Single Number
    • Data Structure
      • First Unique Number in Data Stream
      • Sliding Window
      • Animal Shelter
      • Linked List Cycle II
      • Convert Expression to Reverse Polish Notation
      • Expression Tree Build
    • Binary Tree Divide & Conquer
      • Binary Search Tree Iterator
      • Binary Tree Preorder Traversal
      • Binary Tree Inorder Traversal
      • Symmetric Tree
      • Invert Binary Tree
      • Search Range in Binary Search Tree
      • Largest BST Subtree
      • Lowest Common Ancestor of a Binary Search Tree
      • Lowest Common Ancestor of a Binary Tree
      • BST Node Distance
      • Maximum Width if Binary Tree
      • Construct Binary Tree from Preorder and Inorder Traversal
      • Maximum Depth of Binary Tree
      • Closest Binary Search Tree Value
      • Closest Binary Search Tree Value II
      • Validate Binary Search Tree
      • Lowest Common Ancestor III
      • Kth Smallest Element in a BST
      • Balanced Binary Tree
      • Flatten Binary Tree to Linked List
      • Binary Tree Paths
      • Minimum Subtree
      • Vertical Order Traversal of a Binary Tree
    • BFS
      • Binary Tree
        • Check full binary tree
        • Serialize and Deserialize Binary Tree
        • Graph Valid Tree
        • Check Completeness of a Binary Tree
        • Binary Tree Zigzag Level Order Traversal
        • Binary Tree Level Order Traversal
      • Graph
        • Word Ladder
        • Connected Component in Undirected Graph
        • Open the Lock
        • Clone Graph
        • Search Graph Nodes
        • Course Schedule II
        • Course Schedule
        • Topological Sorting
        • Binary Tree Maximum Path Sum II
        • Shortest Distance from All Buildings
        • Shortest Path in Undirected Graph
        • 八数码问题 Sliding Puzzle II
        • Pacific Atlantic Water Flow
      • Matrix
        • Sequence Reconstruction
        • Knight Shortest Path
        • Knight Shortest Path II
        • Number of Islands
        • Walls and Gates
        • Surrounded Regions
        • Zombie in Matrix
        • Build Post Office II
    • DFS
      • 组合型DFS
        • Letter Combinations of a Phone Number
        • Palindrome Partitioning
        • Split String
        • Generate Parentheses
        • k Sum II
        • Combination Sum IV
        • Combination Sum III
        • Combination Sum II
        • Combination Sum
        • Subsets II
        • Subsets
      • 排列型DFS
        • Permutations
        • Permutations II
        • N-Queens
        • Robot Room Cleaner
      • 剪枝优化
        • Word Pattern II
        • Word Ladder II
    • Memorization search & Dynamic Programming
      • Regular Expression Matching
      • Wildcard Matching
      • Word Break II
      • Word Break
      • Triangle
      • Word Break III
    • Basic Dynamic Programming & Coordinate Dynamic Programming
      • Backpack Problem
        • Backpack
        • Backpack V
        • Backpack II
        • Combination Sum IV (Backpack VI
        • Decode Ways
        • Decode Ways II
      • Coordinate Dynamic Programming
        • Sparse Matrix Multiplication
        • Maximum Submatrix
        • Knight Shortest Path
        • Unique Paths II
        • Unique Paths
        • Minimum Path Sum
        • knight Shortest Path II
        • Distinct Subsequences
        • Paint House
      • Sequential Dynamic Programmin
        • Triangle
        • Longest Increasing Subsequence
        • Number of Longest Increasing Subsequenc
        • Jump Game
        • Jump Game II
        • Best Time to buy and sell
        • Best Time to buy and sell II
      • Median of two Sorted Arrays
      • Median of K Sorted Arrays
      • Merge K Sorted Arrays
      • Merge K Sorted Interval Lists
      • Range Sum Query - Mutable
      • Maximum Subarray
      • Merge Sorted Array
      • Subarray Sum
      • Intersection of Two Arrays
      • Merge Two Sorted Interval Lists
      • Russian Doll Envelopes
      • Largest Divisible Subset
      • Climbing Stairs
    • Other kinds of Problems
      • LRU
      • Longest Palindromic Substring
      • Valid Palindrome
      • Implement strStr()
      • Longest Palindrome
  • 进阶算法200题
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  • 15.0.0 - 2042-12-03
  • Fixed
  • Changed
  • 14.0.0 - 2042-10-06
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我们分享思路的模板算法解，让您能够更快的系统化做题。解法不一定是最简洁的，但针对面试一定是最好记忆和理解并且不容易写错的解。页面会持续更新。- 2/8/2020

15.0.0 - 2042-12-03

Fixed

  • Removed humans, they weren't doing fine with animals.

Changed

  • Animals are now super cute, all of them.

14.0.0 - 2042-10-06

Added

  • Introduced animals into the world, we believe they're going to be a neat addition.

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