Skip to content
Navigation Menu
Sign in
Appearance settings
Platform
AI CODE CREATION
GitHub Copilot
Write better code with AI
GitHub Copilot app
Direct agents from issue to merge
MCP Registry
Integrate external tools
DEVELOPER WORKFLOWS
Actions
Automate any workflow
Codespaces
Instant dev environments
Issues
Plan and track work
Code Review
Manage code changes
Code Quality
Enforce quality at merge
APPLICATION SECURITY
GitHub Advanced Security
Find and fix vulnerabilities
Code security
Secure your code as you build
Secret protection
Stop leaks before they start
EXPLORE
Why GitHub
Documentation
Blog
Changelog
Marketplace
View all features
Solutions
BY COMPANY SIZE
Enterprises
Small and medium teams
Startups
Nonprofits
BY USE CASE
App Modernization
DevSecOps
DevOps
CI/CD
View all use cases
BY INDUSTRY
Healthcare
Financial services
Manufacturing
Government
View all industries
View all solutions
Resources
EXPLORE BY TOPIC
AI
Software Development
DevOps
Security
View all topics
EXPLORE BY TYPE
Customer stories
Events & webinars
Ebooks & reports
Business insights
GitHub Skills
SUPPORT & SERVICES
Documentation
Customer support
Community forum
Trust center
Partners
View all resources
Open Source
COMMUNITY
GitHub Sponsors
Fund open source developers
PROGRAMS
Security Lab
Maintainer Community
GitHub Stars
Archive Program
REPOSITORIES
Topics
Trending
Collections
Enterprise
ENTERPRISE SOLUTIONS
Enterprise platform
AI-powered developer platform
AVAILABLE ADD-ONS
GitHub Advanced Security
Enterprise-grade security features
Copilot for Business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
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 }}
itdar
/
algorithm_problems
Public
Notifications
You must be signed in to change notification settings
Fork
2
Star
5
Code
Issues
0
Pull requests
0
Actions
Projects
Security and quality
0
Insights
Additional navigation options
Code
Issues
Pull requests
Actions
Projects
Security and quality
Insights
Files
Expand file tree
main
Breadcrumbs
algorithm_problems
/
src
/
main
/
java
/
algorithm_sites
/
leetcode
/
Copy path
Directory actions
More options
More options
Directory actions
More options
More options
Latest commit
History
History
History
main
Breadcrumbs
algorithm_problems
/
src
/
main
/
java
/
algorithm_sites
/
leetcode
/
Copy path
Top
Folders and files
Name
Name
Last commit message
Last commit date
parent directory
..
LeetCode_0001_TowSum.java
LeetCode_0001_TowSum.java
LeetCode_0002_AddTwoNumbers.java
LeetCode_0002_AddTwoNumbers.java
LeetCode_0007_ReverseInteger.java
LeetCode_0007_ReverseInteger.java
LeetCode_0009_PalindromeNumber.java
LeetCode_0009_PalindromeNumber.java
LeetCode_0013_RomanToInteger.java
LeetCode_0013_RomanToInteger.java
LeetCode_0014_LongestCommonPrefix.java
LeetCode_0014_LongestCommonPrefix.java
LeetCode_0020_ValidParentheses.java
LeetCode_0020_ValidParentheses.java
LeetCode_0021_MergeTwoSortedLists.java
LeetCode_0021_MergeTwoSortedLists.java
LeetCode_0094_BinaryTreeInorderTraversal.java
LeetCode_0094_BinaryTreeInorderTraversal.java
LeetCode_0104_MaximumDepthOfBinaryTree.java
LeetCode_0104_MaximumDepthOfBinaryTree.java
LeetCode_0130_SurroundedRegions.java
LeetCode_0130_SurroundedRegions.java
LeetCode_0169_MaforityElement.java
LeetCode_0169_MaforityElement.java
LeetCode_0200_NumberOfIslands.java
LeetCode_0200_NumberOfIslands.java
LeetCode_0202_HappyNumber.java
LeetCode_0202_HappyNumber.java
LeetCode_0349_IntersectionOfTwoArrays.java
LeetCode_0349_IntersectionOfTwoArrays.java
LeetCode_0389_FindTheDifference.java
LeetCode_0389_FindTheDifference.java
LeetCode_0463_IslandPerimeter.java
LeetCode_0463_IslandPerimeter.java
LeetCode_0496_NextGreaterElement1.java
LeetCode_0496_NextGreaterElement1.java
LeetCode_0509_FibonacciNumber.java
LeetCode_0509_FibonacciNumber.java
LeetCode_0557_ReverseWordsInAString3.java
LeetCode_0557_ReverseWordsInAString3.java
LeetCode_0657_RobotReturnToOrigin.java
LeetCode_0657_RobotReturnToOrigin.java
LeetCode_0728_SelfDividingNumbers.java
LeetCode_0728_SelfDividingNumbers.java
LeetCode_0739_DailyTemperatures.java
LeetCode_0739_DailyTemperatures.java
LeetCode_0771_JewelsAndStones.java
LeetCode_0771_JewelsAndStones.java
LeetCode_0832_FlippingAnImage.java
LeetCode_0832_FlippingAnImage.java
LeetCode_0852_PeakIndexInAMountainArray.java
LeetCode_0852_PeakIndexInAMountainArray.java
LeetCode_0938_RangeSumOfBST.java
LeetCode_0938_RangeSumOfBST.java
LeetCode_1002_FindCommonCharacters.java
LeetCode_1002_FindCommonCharacters.java
LeetCode_1021_RemoveOutermostParentheses.java
LeetCode_1021_RemoveOutermostParentheses.java
LeetCode_1047_RemoveAllAdjacentDuplicatesInString.java
LeetCode_1047_RemoveAllAdjacentDuplicatesInString.java
LeetCode_1051_HeightChecker.java
LeetCode_1051_HeightChecker.java
LeetCode_1114_PrintInOrder.java
LeetCode_1114_PrintInOrder.java
LeetCode_1207_UniqueNumberOfOccurrences.java
LeetCode_1207_UniqueNumberOfOccurrences.java
LeetCode_1295_FindNumbersWithEvenNumberOfDigits.java
LeetCode_1295_FindNumbersWithEvenNumberOfDigits.java
LeetCode_1299_ReplaceElementsWithGreatestElementOnRightSide.java
LeetCode_1299_ReplaceElementsWithGreatestElementOnRightSide.java
LeetCode_1302_DeepestLeavesSum.java
LeetCode_1302_DeepestLeavesSum.java
LeetCode_1323_Maximum69Number.java
LeetCode_1323_Maximum69Number.java
LeetCode_1342_NumberOfStepsToReduceANumberToZero.java
LeetCode_1342_NumberOfStepsToReduceANumberToZero.java
LeetCode_1380_LuckyNumbersInAMatrix.java
LeetCode_1380_LuckyNumbersInAMatrix.java
LeetCode_1408_StringMatchingInAnArray.java
LeetCode_1408_StringMatchingInAnArray.java
LeetCode_1431_KidsWithTheGreatestNumberOfCandies.java
LeetCode_1431_KidsWithTheGreatestNumberOfCandies.java
LeetCode_1470_ShuffleTheArray.java
LeetCode_1470_ShuffleTheArray.java
LeetCode_1480_RunningSumOf1dArray.java
LeetCode_1480_RunningSumOf1dArray.java
LeetCode_1512_NumberOfGoodPairs.java
LeetCode_1512_NumberOfGoodPairs.java
LeetCode_1518_WaterBottles.java
LeetCode_1518_WaterBottles.java
LeetCode_1528_ShuffleString.java
LeetCode_1528_ShuffleString.java
LeetCode_1572_MatrixDiagonalSum.java
LeetCode_1572_MatrixDiagonalSum.java
LeetCode_1704_DetermineIfStringHalvesAreAlike.java
LeetCode_1704_DetermineIfStringHalvesAreAlike.java
LeetCode_1732_FindTheHighestAltitude.java
LeetCode_1732_FindTheHighestAltitude.java
LeetCode_1742_MaximumNumberOfBallsInABox.java
LeetCode_1742_MaximumNumberOfBallsInABox.java
LeetCode_1748_SumOfUniqueElements.java
LeetCode_1748_SumOfUniqueElements.java
LeetCode_1816_TruncateSentence.java
LeetCode_1816_TruncateSentence.java
LeetCode_1837_SumOfDigitsInBaseK.java
LeetCode_1837_SumOfDigitsInBaseK.java
LeetCode_1844_ReplaceAllDigitsWithCharacters.java
LeetCode_1844_ReplaceAllDigitsWithCharacters.java
LeetCode_1920_BuildArrayFromPermutation.java
LeetCode_1920_BuildArrayFromPermutation.java
LeetCode_1929_ConcatenationOfArray.java
LeetCode_1929_ConcatenationOfArray.java
LeetCode_2011_FinalValueOfVariableAfterPerformingOperations.java
LeetCode_2011_FinalValueOfVariableAfterPerformingOperations.java
LeetCode_2053_KthDistinctStringInAnArray.java
LeetCode_2053_KthDistinctStringInAnArray.java
LeetCode_2085_CountCommonWordsWithOneOccurrence.java
LeetCode_2085_CountCommonWordsWithOneOccurrence.java
View all files
You can’t perform that action at this time.