Introduction
Introduction
DFS
967. Numbers With Same Consecutive Differences
Dynamic Programming
983. Minimum Cost For Tickets
518: Coin Change 2
1043: Partition Array For Maximum Sum
String
394: Decode String
Palindrome
647: Palindromic Substrings
Hashmap
954: Array of Doubled Pairs
653: Two Sum IV - Input is a BST
454: 4Sum II
Binary Tree
BFS
958: Check Completeness of a Binary Tree
863: All Nodes Distance K in Binary Tree
DFS
971. Flip Binary Tree To Match Preorder Traversal
863: All Nodes Distance K in Binary Tree
652: Find Duplicate Subtrees
449: Serialize and Deserialize BST
437: Path Sum III
124: Binary Tree Maximum Path Sum
250: Count Univalue Subtrees
Two Pointers
962: Max Width Ramp
948: Bag of Tokens
Graph
Undirected Graph
947: Most Stones Removed with Same Row or Column
934: Shortest Bridge
200 : Number of Islands
694 : Number of Distinct Islands
695 : Max Area of Island
815 : Bus Routes
675 : Cut Off Trees for Golf Event
490 : The Maze
489 : Robot Room Cleaner
329 : Longest Increasing Path in a Matrix
323 : Number of Connected Components in an Undirected Graph
Directed Graph
787 : Cheapest Flights Within K Stops
332 : Reconstruct Itinerary
Intervals
763: Partition Labels
646: Maximum Length of Pair Chain
State loop
957: Prison Cells After N Days
Divide and Conqueor
955: Delete Columns to Make Sorted II
678: Valid Parenthesis String
Array
974. Subarray Sums Divisible by K
406: Queue Reconstruction by Height
325: Maximum Size Subarray Sum Equals k
670: Maximum Swap
769: Max Chunks To Make Sorted
Geometry
836: Rectangle Overlap
Stack
739: Daily Temperatures
496: Next Greater Element I
503: Next Greater Element II
API Design
380: Insert Delete GetRandom O(1)
353: Design Snake Game
348: Design Tic-Tac-Toe
341: Flatten Nested List Iterator
Implement Linux Find Command
Priority Queue
373: Find K Pairs with Smallest Sums
347: Top K Frequent Elementss
Sort
969: Pancake Sorting
OOP Design
Chess Game
Deck of Cards
Parking Lot
Tiny Url
Vending Machine
System Design
Design Pastebin
Design Twitter Timeline
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Introduction

Leetcode 刷题总结

Introduction

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