TitleDifficultyCompaniesVideos
Knuth Morris Pratt KMP AlgorithmMedium
kSumMedium
Least Number of Perfect Squares that Sums to nMediumadobe amazon apple cisco ebay facebook godaddy google grammarly linkedin lyft microsoft uber yandex
Linked List in Binary Tree ProblemMedium
Maximum GapMediumamazon
Maximum Number of Events That Can Be Attended ProblemMediumvisa
Maximum Number of Occurrences of a Substring ProblemMediumbloomberg paypal roblox
Maximum Size Subarray Sum equals KMediumamazon facebook google microsoft palantir-technologies
Minimum Cost Tree From Leaf Values ProblemMedium
My Calendar 2 ProblemMediumamazon google
Number of Wonderful Substrings ProblemMedium
Odd Even Linked List - Bring odd nodes first and even laterMediumamazon bloomberg capital-one ebay facebook google microsoft
Partition List ProblemMediumamazon apple microsoft
Partition to K Equal Sum Subsets ProblemMediumamazon bytedance ebay facebook google houzz linkedin microsoft pinterest vmware
Peeking IteratorMediumamazon apple atlassian ebay facebook google microsoft oracle yahoo
Populate next pointer to inorder successor in Binary TreeMedium
Populate next pointer to right node in Binary TreeMediumamazon bloomberg facebook google microsoft oracle
Remove K Digits ProblemMediumadobe amazon bloomberg bytedance didi facebook google microsoft nutanix oracle snapchat vmware
Reverse Words in a String 2Mediumamazon microsoft uber vmware google
Rotate n x n matrix by 90 degreesMediumadobe akuna-capital amazon apple bloomberg cisco facebook google groupon houzz lyft microsoft nvidia palantir palantir-technologies quora salesforce uber wish yandex
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
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
Strobogrammatic Number 2 - Generate for length nMediumcisco facebook google twitter
Sum of Beauty of All Substrings ProblemMedium
Swap Nodes in PairsMediumadobe amazon apple bloomberg ebay facebook google lyft microsoft oracle sap uber
Unique BSTs 2 - GenerateMediumadobe amazon apple facebook microsoft yahoo
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
Zigzag IteratorMediumamazon apple cruise-automation facebook google microsoft yandex
Validate IP Address ProblemMediumamazon cisco facebook google microsoft twitter uber
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
Count Nice Pairs in an ArrayMedium
Minimize Maximum of ArrayMedium
Nested Array GeneratorMedium
Remove Colored Pieces if Both Neighbors are the Same Color ProblemMedium
Removing Stars From a String ProblemMedium
Diagonal Traverse 2 ProblemMediumfacebook google
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
Exchange Seats ProblemMediumamazon
Count Good MealsMedium
Count Ways To Build Good Strings ProblemMedium
Maximum Number of Points with Cost ProblemMedium