TitleDifficultyCompaniesVideos
Search in Rotated Sorted Array 2 - Check if number exists - Duplicates allowedMediumadobe amazon bloomberg facebook google microsoft
Select Copy Paste Problem 1 - Minimum operationsMediumbloomberg microsoft
Serialize and Deserialize Binary TreeHardamazon apple bloomberg citadel ebay expedia facebook google groupon indeed linkedin microsoft oracle qualtrics quora salesforce snapchat tableau uber vmware yahoo
Shortest Palindrome 1 - Prepending charactersHardadobe amazon bloomberg facebook google microsoft oracle pocket-gems
Smallest K-Length Subsequence With Occurrences of a Letter ProblemHard
Sort Characters By Frequency ProblemMediumamazon bloomberg expedia facebook google linkedin uber
Spiral Matrix 1 - ReturnMediumadobe amazon apple bloomberg bytedance cisco drawbridge ebay epic-systems facebook goldman-sachs google hulu linkedin microsoft oracle paypal quip robinhood snapchat uber visa
Square root of an integerEasyamazon apple bloomberg facebook google huawei linkedin lyft microsoft qualtrics uber wayfair
Strobogrammatic Number 1 - Check if strobogrammaticEasycisco facebook google
Strobogrammatic Number 2 - Generate for length nMediumcisco facebook google twitter
Strobogrammatic Number 3 - Count in RangeHardfacebook google
Student Attendance Record 1 ProblemEasygoogle
Student Attendance Record 2 ProblemHardgoogle uber
Subset Sum Problem 1 - Is there a subset?
Sudoku Solver ProblemHardadobe amazon apple arista-networks doordash dropbox expedia facebook google microsoft oracle riot-games roblox snapchat uber vmware wish
Sum of Beauty of All Substrings ProblemMedium
Swap Nodes in PairsMediumadobe amazon apple bloomberg ebay facebook google lyft microsoft oracle sap uber
Trips and Users ProblemHardamazon uber
Unique BSTs 2 - GenerateMediumadobe amazon apple facebook microsoft yahoo
Valid Number ProblemHardadobe amazon apple facebook google linkedin microsoft tripadvisor
Valid Parenthesis StringMediumalibaba amazon bloomberg facebook google
Valid Sudoku ProblemMediumadobe amazon apple bloomberg cruise-automation doordash facebook google microsoft oracle pinterest roblox salesforce snapchat twitter uber vmware
Validate Binary Search Tree ProblemMediumadobe amazon apple asana atlassian bloomberg bytedance capital-one ebay facebook goldman-sachs google linkedin mathworks microsoft oracle salesforce sap tripadvisor uber visa vmware yahoo yandex
Word Break 2 - Construct a sentenceHardamazon apple audible bloomberg bookingcom dropbox ebay facebook google microsoft oracle pinterest snapchat twitter uber zillow
Zigzag IteratorMediumamazon apple cruise-automation facebook google microsoft yandex
Validate IP Address ProblemMediumamazon cisco facebook google microsoft twitter uber
Encode String with Shortest Length ProblemHardgoogle
Implement Rand10() Using Rand7()Mediumapple bloomberg bytedance linkedin microsoft
Magical String ProblemMediumgoogle
Inorder Successor in Binary TreeMedium
Permutation in String ProblemMediumamazon bloomberg facebook google lyft microsoft uber yahoo yandex
Can Make Arithmetic Progression From SequenceEasyamazon
Constrained Subsequence SumHardakuna-capital
Count Nice Pairs in an ArrayMedium
Maximum Score of a Good SubarrayHard
Minimize Maximum of ArrayMedium
Nested Array GeneratorMedium
Remove Colored Pieces if Both Neighbors are the Same Color ProblemMedium
Removing Stars From a String ProblemMedium
Sales Analysis IIEasyamazon
Remove All Adjacent Duplicates In String 1Easyamazon bloomberg facebook google oracle paypal paytm
Diagonal Traverse 2 ProblemMediumfacebook google
Most Common Word ProblemEasyamazon apple google microsoft oracle
Removing Minimum and Maximum From ArrayMedium
Linked List Random Node ProblemMediumamazon facebook google
Max Area of Island ProblemMediumadobe affirm amazon apple bloomberg bytedance cruise-automation doordash facebook google intuit mathworks microsoft oracle palantir-technologies qualtrics twitch uber wish zillow
Count Number of Pairs With Absolute Difference KEasy
Exchange Seats ProblemMediumamazon
Filter Elements from ArrayEasy
Count Good MealsMedium