Skip to content
Navigation Menu
Sign in
Products
Platform
GitHub
Repository hosting, code review, and collaboration
Copilot
AI coding agent for tasks, projects and automated work
Build & Ship
Actions
CI/CD and automation
Code Quality
Quality analysis, fixes, and enforcement
Codespaces
Cloud development environments
Secure
Code Security
Vulnerability detection and remediation
Secret Protection
Secret scanning and leak prevention
All Features
Developers
Learn
Documentation
Training
Certifications
Build
Build with Copilot
Customize Copilot
Integrations
Explore
Trending repos
GitHub Sponsors
Events
Changelog
Changelog
Your source for the latest features, improvements, and fixes across GitHub products, all in one place.
Businesses
By Stage
Enterprises
Team
Startups
Nonprofits
By Industry
Healthcare
Financial services
Manufacturing
Government
See all industries
Evaluate GitHub
Why GitHub
Customer Stories
Business insights
Trust Center
Add-ons
GitHub Advanced Security
Enterprise-grade code security
Copilot for business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Resources
Learn & Connect
Documentation
Resource center
Blog
Events & webinars
Community Forum
Customer Stories
Integrations
Support
Customer support
Training
GitHub Status
Company
About
Partners
Changelog
GitHub Universe
GitHub Universe
The event for developers, by developers — talks, workshops, and what’s next for GitHub.
Pricing
Search
/
Sign in
Sign up
Appearance settings
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
syhcode
Leetcode
Repository navigation
Code
Issues
Pull requests
Actions
Projects
Wiki
Security and quality
Insights
More
items
Leetcode
Public
Notifications
You must be signed in to change notification settings
Fork
1
(
1
)
Star
2
(
2
)
You must be signed in to star a repository
About
Crack Leetcode First Turn
Activity
Stars
2
stars
Watchers
2
watching
Forks
1
fork
Report repository
master
Branches
Tags
Go to file
Code
Open more actions menu
Latest commit
History
143 Commits
143 Commits
Folders and files
Name
Name
Last commit message
Last commit date
image
image
Q100Same Tree.md
Q100Same Tree.md
Q101Symmetric Tree.md
Q101Symmetric Tree.md
Q102&Q107Binary Tree Level Order Traversal I&II.md
Q102&Q107Binary Tree Level Order Traversal I&II.md
Q103Binary Tree Zigzag Level Order Traversal .md
Q103Binary Tree Zigzag Level Order Traversal .md
Q104Maximum Depth of Binary Tree.md
Q104Maximum Depth of Binary Tree.md
Q105Construct Binary Tree from Preorder and Inorder Traversal.md
Q105Construct Binary Tree from Preorder and Inorder Traversal.md
Q106Construct Binary Tree from Inorder and Postorder Traversal.md
Q106Construct Binary Tree from Inorder and Postorder Traversal.md
Q108Convert Sorted Array to Binary Search Tree.md
Q108Convert Sorted Array to Binary Search Tree.md
Q109Convert Sorted List to Binary Search Tree.md
Q109Convert Sorted List to Binary Search Tree.md
Q10Regular Expression Matching.md
Q10Regular Expression Matching.md
Q110Balanced Binary Tree.md
Q110Balanced Binary Tree.md
Q111Minimum Depth of Binary Tree.md
Q111Minimum Depth of Binary Tree.md
Q112Path Sum.md
Q112Path Sum.md
Q113Path Sum II.md
Q113Path Sum II.md
Q114Flatten Binary Tree to Linked List.md
Q114Flatten Binary Tree to Linked List.md
Q115Distinct Subsequences.md
Q115Distinct Subsequences.md
Q116&Q117Populating Next Right Pointers in Each Node I&II.md
Q116&Q117Populating Next Right Pointers in Each Node I&II.md
Q118Pascal's Triangle.md
Q118Pascal's Triangle.md
Q119Pascal's Triangle II.md
Q119Pascal's Triangle II.md
Q11Container With Most Water.md
Q11Container With Most Water.md
Q120 Triangle.md
Q120 Triangle.md
Q121Best Time to Buy and Sell Stock.md
Q121Best Time to Buy and Sell Stock.md
Q122Best Time to Buy and Sell StockII.md
Q122Best Time to Buy and Sell StockII.md
Q123Best Time to Buy and Sell Stock III.md
Q123Best Time to Buy and Sell Stock III.md
Q124Binary Tree Maximum Path Sum.md
Q124Binary Tree Maximum Path Sum.md
Q125Valid Palindrome.md
Q125Valid Palindrome.md
Q127Word Ladder.md
Q127Word Ladder.md
Q128Longest Consecutive Sequence.md
Q128Longest Consecutive Sequence.md
Q129Sum Root to Leaf Numbers.md
Q129Sum Root to Leaf Numbers.md
Q12Integer to Roman.md
Q12Integer to Roman.md
Q130Surrounded Regions.md
Q130Surrounded Regions.md
Q131Palindrome Partitioning.md
Q131Palindrome Partitioning.md
Q132Palindrome Partitioning II.md
Q132Palindrome Partitioning II.md
Q133Clone Graph.md
Q133Clone Graph.md
Q134Gas Station.md
Q134Gas Station.md
Q135Candy.md
Q135Candy.md
Q136Single Number.md
Q136Single Number.md
Q137Single Number II .md
Q137Single Number II .md
Q138Copy List with Random Pointer.md
Q138Copy List with Random Pointer.md
Q139Word Break.md
Q139Word Break.md
Q13Roman to Integer.md
Q13Roman to Integer.md
Q140 Word BreakII.md
Q140 Word BreakII.md
Q141 Linked List Cycle.md
Q141 Linked List Cycle.md
Q142 Linked List Cycle II.md
Q142 Linked List Cycle II.md
Q143Reorder List.md
Q143Reorder List.md
Q144Binary Tree Preorder Traversal.md
Q144Binary Tree Preorder Traversal.md
Q145Binary Tree Postorder Traversal.md
Q145Binary Tree Postorder Traversal.md
Q147Insertion Sort List .md
Q147Insertion Sort List .md
Q148Sort List.md
Q148Sort List.md
Q149Max Points on a Line.md
Q149Max Points on a Line.md
Q14Longest Common Prefix.md
Q14Longest Common Prefix.md
Q150Evaluate Reverse Polish Notation.md
Q150Evaluate Reverse Polish Notation.md
Q151Reverse Words in a String .md
Q151Reverse Words in a String .md
Q152Maximum Product Subarray .md
Q152Maximum Product Subarray .md
Q153Find Minimum in Rotated Sorted Array.md
Q153Find Minimum in Rotated Sorted Array.md
Q154Find Minimum in Rotated Sorted Array II.md
Q154Find Minimum in Rotated Sorted Array II.md
Q155Min Stack.md
Q155Min Stack.md
Q15three sum.md
Q15three sum.md
Q160Intersection of Two Linked Lists.md
Q160Intersection of Two Linked Lists.md
Q162Find Peak Element.md
Q162Find Peak Element.md
Q164 Maximum Gap .md
Q164 Maximum Gap .md
Q165Compare Version Numbers.md
Q165Compare Version Numbers.md
Q166Fraction to Recurring Decimal.md
Q166Fraction to Recurring Decimal.md
Q169Majority Element.md
Q169Majority Element.md
Q16three sum closest.md
Q16three sum closest.md
Q171Excel Sheet Column Number.md
Q171Excel Sheet Column Number.md
Q172Factorial Trailing Zeroes.md
Q172Factorial Trailing Zeroes.md
Q173Binary Search Tree Iterator.md
Q173Binary Search Tree Iterator.md
Q174Dungeon Game.md
Q174Dungeon Game.md
Q179Largest Number.md
Q179Largest Number.md
Q17Letter Combinations of a Phone Number.md
Q17Letter Combinations of a Phone Number.md
Q18 Four Sum .md
Q18 Four Sum .md
Q187Repeated DNA Sequences.md
Q187Repeated DNA Sequences.md
Q188Best Time to Buy and Sell Stock IV.md
Q188Best Time to Buy and Sell Stock IV.md
Q189Rotate Array.md
Q189Rotate Array.md
Q190Reverse Bits.md
Q190Reverse Bits.md
Q191Number of 1 Bits.md
Q191Number of 1 Bits.md
Q198House Robber.md
Q198House Robber.md
Q199Binary Tree Right Side View.md
Q199Binary Tree Right Side View.md
Q19Remove Nth Node From End of List .md
Q19Remove Nth Node From End of List .md
Q1Two Sum.md
Q1Two Sum.md
Q200Number of Islands.md
Q200Number of Islands.md
Q201Bitwise AND of Numbers Range.md
Q201Bitwise AND of Numbers Range.md
Q202Happy Number.md
Q202Happy Number.md
Q203Remove Linked List Elements.md
Q203Remove Linked List Elements.md
Q204Count Primes.md
Q204Count Primes.md
Q205Isomorphic Strings.md
Q205Isomorphic Strings.md
Q206 Reverse Linked List .md
Q206 Reverse Linked List .md
Q207 Course Schedule .md
Q207 Course Schedule .md
Q209Minimum Size Subarray Sum.md
Q209Minimum Size Subarray Sum.md
Q20Valid Parentheses .md
Q20Valid Parentheses .md
Q210Course Schedule II.md
Q210Course Schedule II.md
Q211Add and Search Word - Data structure design.md
Q211Add and Search Word - Data structure design.md
Q212 Word Search II.md
Q212 Word Search II.md
Q213House Robber II .md
Q213House Robber II .md
Q214 Shortest Palindrome.md
Q214 Shortest Palindrome.md
Q215Kth Largest Element in an Array.md
Q215Kth Largest Element in an Array.md
Q216 Combination Sum III.md
Q216 Combination Sum III.md
Q217Contains Duplicate.md
Q217Contains Duplicate.md
View all files
About
Crack Leetcode First Turn
Activity
Stars
2
stars
Watchers
2
watching
Forks
1
fork
Report repository
Releases
Packages
Contributors
You can’t perform that action at this time.