All TopicsAlgorithmsBackend
DesignConcurrencyDatabaseDatabase
DesignJavaJavascriptObject Oriented
DesignProgramming
LanguageShell
TitleDifficultyCompaniesVideos
Minimum Number of Refueling StopsHardamazon baidu google microsoft
Number of Submatrices That Sum to TargetHardamazon google
Number of Ways of Cutting a PizzaHardgoogle
Number of Ways to Paint N × 3 GridHardakuna-capital facebook
Out of Boundary PathsMediumbaidu
Stone Game 2Mediumbytedancetoutiao google
Where Will the Ball FallMedium
Bitwise ORs of SubarraysMedium
Generate nth ugly numberMediumamazon oracle uber google
Can I WinMediumgoogle linkedin
Maximum Number of Achievable Transfer RequestsHard
Ones and ZeroesMediumgoogle
Profitable SchemesHardgoogle linkedin
Reducing DishesHard
House Robber 2 - Houses in circleMediumamazon ebay google microsoft
Palindrome PartitioningMediumadobe amazon bloomberg google microsoft qualtrics uber yahoo
Concatenated WordsHardamazon apple audible facebook google microsoft
Maximum Profit in Job SchedulingHardairbnb bytedance cisco google ponyai
Number of Ways to Form a Target String Given a DictionaryHard
Number of Ways to Reorder Array to Get Same BSTHard
Decode Ways IIHardfacebook google
Minimum Cost For TicketsMediumamazon facebook google grab uber
Find duplicate elements in the array with 4KB memory onlyMedium
Boats to Save PeopleMediumamazon factset google glassdoor
Find Second largest element in an arrayEasy
Find Duplicate Number in array containing n+1 numbers between 1 and nMediumadobe amazon apple bloomberg ebay facebook google intuit microsoft oracle salesforce tencent vmware
Kadane's Algorithm for Maximum Subarray SumMedium
Longest Valid ParenthesesHardadobe amazon apple bloomberg citadel ebay facebook google microsoft oracle samsung uber yahoo
Candy distributionHardamazon apple google microsoft salesforce uber atlassian
Binary Tree Level Order Traversalmicrosoft
Binary Tree Level Order Traversal - Level by LevelMediumadobe amazon apple atlassian bloomberg cisco citadel ebay expedia facebook google linkedin mathworks microsoft oracle sap uber vmware yahoo
Find Deepest Node in a Binary TreeEasygoogle uber
XOR doubly linked listgoogle
Binary Search on a linked listMedium
Merge Two Sorted Linked ListsEasyadobe airbnb alibaba amazon apple arista-networks atlassian bloomberg bytedance capital-one cisco ebay facebook google huawei indeed intel linkedin lyft microsoft oracle paypal samsung tencent uber visa vmware yahoo yandex
Stack of platesMediummicrosoft amazon
Evaluate Reverse Polish NotationMediumamazon atlassian facebook google jane-street linkedin microsoft opendoor oracle uber vmware yandex zillow
Linked List Cycle 3 - Find length of cycleMedium
Reverse Words in a StringMediumamazon apple bloomberg cisco citadel facebook google huawei microsoft nvidia oracle qualcomm salesforce snapchat vmware yelp zillow
Longest Palindromic SubstringMediumadobe airbnb alibaba amazon appdynamics apple bloomberg cisco ebay facebook godaddy google huawei jpmorgan mathworks microsoft nutanix oracle paypal pure-storage roblox samsung sap servicenow tencent uber vmware wayfair yahoo yandex
Subsets 1Mediumadobe amazon apple atlassian bloomberg bytedance coupang ebay facebook goldman-sachs google lyft microsoft uber yahoo
Is SubsequenceEasyamazon bloomberg coursera facebook google pinterest
Maximum Number of Removable Characters ProblemMedium
Subarrays vs Subsequences vs Subsets DefinitionEasy
Convert String to Integer atoiMediumadobe amazon apple bloomberg cisco citadel ebay facebook goldman-sachs google linkedin microsoft nvidia oracle redfin sap tencent uber vmware zillow
Check if a Matrix is InvertibleMedium
Print all subarrays of a given arrayEasy
Sum of all subarraysMedium
Finding the most frequent element in an array of numbers from 0 to n-1Medium
Find first duplicate number in an array containing numbers from 1 to nMedium