上岸算法公开课题解

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第二章 - BFS
- 课上练习
  Course Schedule
  Minimum Depth of Binary Tree
  Binary Tree Level Order Traversal
  Surrounded Regions
  Number of Islands
  Rotting Oranges
- 课后练习
  Symmetric Tree
  Binary Tree Level Order Traversal II
  The Maze
  Word Ladder
  Binary Tree Zigzag Level Order Traversal
  01 Matrix
  Open the Lock
  Number of Operations to Make Network Connected
第三章 - 指针类问题，以及哈希表
- 课上练习
  Group Anagrams
  Remove Duplicates from Sorted Array
  Sort colors
  Move Zeroes
  Longest Substring Without Repeating Characters
  Minimum Size Subarray Sum
  Merge Intervals
- 课后练习
  Two Sum
  3Sum
  Container With Most Water
  Add Two Numbers
  Multiply Strings
  Set Matrix Zeroes
  Reverse Vowels of a String
  Subarray Product Less Than K
  Longest Mountain in Array
  Remove Duplicates from Sorted Array II
  Majority Element
第四章 - 二分法，以及排序算法
- 课上练习
  Sort an Array
  Merge Sort
  Quick Sort
  Last Position of Target
  Search in a Big Sorted Array
  Find Peak Element
  Search a 2D Matrix
  Split Array Largest Sum
- 课后练习
  Find First and Last Position of Element in Sorted Array
  Search in Rotated Sorted Array
  Pow(x, n)
  Search a 2D Matrix II
  Find the Smallest Divisor Given a Threshold
  Random Pick with Blacklist
第五章 - 链表
- 课上练习
  Reverse Linked List
  Reverse Linked List II
  Palindrome Linked List
  Odd Even Linked List
  Partition List
  Linked List Cycle
  Intersection of Two Linked Lists
  Copy List with Random Pointer
- 课后练习
  Remove Linked List Elements
  Remove Duplicates from Sorted List
  Remove Duplicates from Sorted List II
  Intersection of Two Arrays
  Intersection of Two Arrays II
  Next Greater Node in Linked List
  Reverse Nodes in K-Group
第六章 - 衍生算法，Top K 问题初见
- 课上练习
  Kth Largest Element in an Array
  Kth Largest Element in a Stream
  Sort Characters By Frequency
- 课后练习
  K Closest Points to Origin
  Top K Frequent Elements
  Top K Frequent Words
  Third Maximum Number
  Maximum Product of Three Numbers
第七章 - 递归(Part 1)
- 课上练习
  Combination Sum
  Combination Sum II
  Permutations
  Subsets
  Path Sum
  Path Sum II
  Target Sum
  Jump Game
- 课后练习
  Fibonacci Number
  Increasing Subsequences
  Permutations II
  Subsets II
  Letter Combinations of a Phone Number
  index
第八章 - 递归(Part 2)
- 课上练习
  Path Sum
  Symmetric Tree
  Maximum Depth of Binary Tree
  Maximum Depth of N-ary Tree
  Lowest Common Ancestor of a Binary Tree
- 课后练习
  Path Sum II
  Same Tree
  Binary Tree Paths
  Find Bottom Left Tree Value
  Validate Binary Search Tree
  Tree Diameter
  Count Good Nodes in Binary Tree
  Find Largest Value in Each Tree Row
  All Nodes Distance K in Binary Tree
第十章 - 图类问题
- 课上练习
  Clone Graph
  Graph Valid Tree
  Minimum Height Trees
  Keys and Rooms
- 课后练习
  All Paths From Source to Target
  Find Eventual Safe States
  Count Servers that Communicate
  Redundant Connection

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Path Sum II

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