Summary

Linear

• Summary
• Tips
• Introduction
• Array
  • Unsorted
    • Longest Consecutive Sequence
    • Gas Stations
    • Candy
    • 973. K Closest Points to Origin ★
  • Sorted Array
    • Median of Two Sorted Arrays
    • 3Sum+3SumClosest+3SumSmaller
    • Search in Rotated Sorted Array
  • SlidingWindow
• Matrix
  • Valid Sudoku
  • Rotate Image
  • Set Matrix Zeroes
• Singly Linked List
  • Linked List Insertion
  • Singly Linked List 2
  • Add Two Numbers
  • Reverse List
  • Remove Duplicates from Sorted List
  • Remove Nth Node From End of List
  • Swap Nodes in Pairs
  • Reverse Nodes in k-Group
  • Copy List with Random Pointer
  • Linked List Cycle and 2
  • Reorder List
• BinarySearch
  • 1DBinarySearch
  • MatrixBinarySearch
  • Search in Rotated Sorted Array
  • Find Minimum in Rotated Sorted Array
  • !!! II Find Minimum in Rotated Sorted Array
  • 704_BinarySearch★
• TwoPointers
  • Meeting
    • Trapping Rain Water
  • Forwarding
    • Climbing Stairs

Tree

• BinaryTree
  • Traversal
    • Binary Tree Traversal Recursive/Iterative/Morris
    • Max Depth of Binary Tree
    • Level Order Traversal
    • Symmetric Tree
    • Count Univalue Subtrees 计数相同值子树的个数
    • Binary Tree Vertical Order Traversal 314
  • Construct Tree
    • Inorder and Postorder Construct
    • Preorder and Inorder Construct
    • Construct Binary Tree from Preorder and Postorder Traversal
    • Construct a special tree from given preorder traversal
    • Serialize and Deserialize Binary Tree _ 297
    • Connect nodes at same level
  • SearchInTree
    • Lowest Common Ancestor of a Binary Tree
  • BinarySearchTree
• BinarySearchTree
• N-ary Tree
  • Preorder Postorder Traversal
  • Serialize and Deserialize an N-ary Tree
  • Encode N-ary Tree to Binary Tree
  • Maximum Depth of N-ary Tree
  • Construct the full k-ary tree from its preorder traversal
  • Diameter of n-ary tree using BFS
  • Convert a N-ary Tree to a Binary Tree
  • Recover a N-ary Tree from a Binary Tree

Python

• PythonLib
• sortPython
• Sequence
  • String

Graph

• Representations
  • Detect Cycle in a Graph
• Depth-First Search
  • Maximum Depth of Binary Tree
  • DFS
  • 城堡问题
  • 寻路问题 - DFS+剪枝
  • Same Tree
• Breadth-First Search
  • Number of Islands

Bitwise Operators

• Bitwise
  • Gray Code
  • Single Number l && ll

Data Structure

• LinkedList
  • Doubly Linked List
  • Singly Linked List
  • Circular Linked List
• Stack
  • Resized Array
• Queue & Priority Queue
• Sort
  • Merge Sort
  • Quick Sort
  • Counting Sort
• Queue

Other

• BackTracking