LeetCode Solutions

Auto-generation

This file is auto-generated. Do not edit it directly. To update it, run

pysh generate-readme.pysh -o generate-readme.py

This is based on pysh. If you do not have that installed, you can instead use

python3 generate-readme.py

List of problems

1. Best Time To Buy And Sell Stock
2. Binary Search
3. Climbing Stairs
4. Invert Binary Tree
5. Linked List Cycle
6. Merge Two Sorted Lists
7. Min Cost Climbing Stairs
8. Single Number
9. Two Sum
10. Valid Anagram
11. Valid Palindrome
12. Valid Palindrome 2
13. Valid Parentheses
14. Verifying an Alien Dictionary
15. 01 Matrix
16. 3sum
17. Coin Change
18. Diagonal Traverse
19. Diagonal Traverse 2
20. Evaluate Division
21. House Robber
22. Insert Interval
23. K Closest Points To Origin
24. Longest Substring Without Repeating Characters
25. Maximum Subarray
26. Minimum Add To Make Valid Parentheses
27. Single Element In a Sorted Array
28. Subarray Sum Equals K
29. Top K Frequent Elements

By topic

Array

• Best Time To Buy And Sell Stock
• Binary Search
• Min Cost Climbing Stairs
• Single Number
• Two Sum
• Verifying an Alien Dictionary
• 01 Matrix
• 3sum
• Coin Change
• Diagonal Traverse
• Diagonal Traverse 2
• Evaluate Division
• House Robber
• Insert Interval
• K Closest Points To Origin
• Maximum Subarray
• Single Element In a Sorted Array
• Subarray Sum Equals K
• Top K Frequent Elements

Binary Search

• Binary Search
• Single Element In a Sorted Array

Binary Tree

• Invert Binary Tree

Bit Manipulation

• Single Number

Breadth-First Search

• Invert Binary Tree
• 01 Matrix
• Coin Change
• Evaluate Division

Bucket Sort

• Top K Frequent Elements

Counting

• Top K Frequent Elements

Depth-First Search

• Invert Binary Tree
• Evaluate Division

Divide and Conquer

• K Closest Points To Origin
• Maximum Subarray
• Top K Frequent Elements

Dynamic Programming

• Best Time To Buy And Sell Stock
• Climbing Stairs
• Min Cost Climbing Stairs
• 01 Matrix
• Coin Change
• House Robber
• Maximum Subarray

Geometry

• K Closest Points To Origin

Graph

• Evaluate Division

Greedy

• Valid Palindrome 2
• Minimum Add To Make Valid Parentheses

Hash Table

• Linked List Cycle
• Two Sum
• Valid Anagram
• Verifying an Alien Dictionary
• Longest Substring Without Repeating Characters
• Subarray Sum Equals K
• Top K Frequent Elements

Heap/Priority Queue

• Diagonal Traverse 2
• K Closest Points To Origin
• Top K Frequent Elements

Linked List

• Linked List Cycle
• Merge Two Sorted Lists

Math

• Climbing Stairs
• K Closest Points To Origin

Matrix

• 01 Matrix
• Diagonal Traverse

Memoization

• Climbing Stairs

Prefix Sum

• Subarray Sum Equals K

Quickselect

• K Closest Points To Origin
• Top K Frequent Elements

Recursion

• Merge Two Sorted Lists

Shortest Path

• Evaluate Division

Sliding Window

• Longest Substring Without Repeating Characters

Sorting

• Valid Anagram
• 3sum
• Diagonal Traverse 2
• K Closest Points To Origin
• Top K Frequent Elements

Stack

• Valid Parentheses
• Minimum Add To Make Valid Parentheses

String

• Valid Anagram
• Valid Palindrome
• Valid Palindrome 2
• Valid Parentheses
• Verifying an Alien Dictionary
• Longest Substring Without Repeating Characters
• Minimum Add To Make Valid Parentheses

Tree

• Invert Binary Tree

Two Pointer

• 3sum

Two Pointers

• Linked List Cycle
• Valid Palindrome
• Valid Palindrome 2

Union Find

• Evaluate Division