TitleDifficultyCompaniesVideos
Knight DialerMediumbox citadel facebook google microsoft pinterest twilio
Largest Rectangle in Histogram ProblemHardadobe amazon bloomberg facebook flipkart google microsoft twitter
Least Number of Perfect Squares that Sums to nMediumadobe amazon apple cisco ebay facebook godaddy google grammarly linkedin lyft microsoft uber yandex
Max Chunks To Make Sorted 2 ProblemHardgoogle microsoft
Maximum Size Subarray Sum equals KMediumamazon facebook google microsoft palantir-technologies
Merge K Sorted ListsHardadobe airbnb alibaba amazon apple atlassian audible bloomberg box bytedance cisco cohesity cruise-automation ebay facebook goldman-sachs google indeed ixl linkedin lyft mathworks microsoft nvidia oracle salesforce sap tableau twitter uber vmware wish yahoo yandex zillow
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 right node in Binary TreeMediumamazon bloomberg facebook google microsoft oracle
Reconstruct Itinerary ProblemHardamazon apple bloomberg citadel facebook goldman-sachs google microsoft qualtrics snapchat square twilio uber yandex yelp
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
Reverse Words in a String 3Easyamazon apple bloomberg microsoft paypal salesforce snapchat yahoo zappos
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
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
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
Sudoku Solver ProblemHardadobe amazon apple arista-networks doordash dropbox expedia facebook google microsoft oracle riot-games roblox snapchat uber vmware wish
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 Number ProblemHardadobe amazon apple facebook google linkedin microsoft tripadvisor
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
Implement Rand10() Using Rand7()Mediumapple bloomberg bytedance linkedin microsoft
Permutation in String ProblemMediumamazon bloomberg facebook google lyft microsoft uber yahoo yandex
Most Common Word ProblemEasyamazon apple google microsoft oracle
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
Design Skiplist ProblemHardebay google microsoft pure-storage twitter
Count Odd Numbers in an Interval Range ProblemEasymicrosoft
Sum of Subarray Minimums ProblemMediumapple hulu microsoft
Number of ProvincesMediumadobe amazon atlassian bloomberg drawbridge ebay facebook goldman-sachs google linkedin microsoft pocket-gems salesforce twitter two-sigma uber
Shortest Path in Binary MatrixMediumamazon facebook google microsoft uber
Subarray Sum Equals KMediumadobe amazon apple bloomberg ebay expedia facebook goldman-sachs google indeed linkedin microsoft oracle quora snapchat twilio uber wish yahoo yandex
Print Binary Tree ProblemMediumfacebook linkedin microsoft poynt uber
Island Perimeter ProblemEasyamazon apple bloomberg facebook google microsoft
All O`one Data Structure ProblemHardamazon bloomberg facebook google linkedin microsoft uber
Flatten a Multilevel Doubly Linked List ProblemMediumamazon apple bloomberg facebook google microsoft uber
Add Strings ProblemEasyadobe airbnb amazon apple bloomberg bytedance facebook google microsoft nvidia oracle snapchat square
Convert Number to Hexadecimal Number ProblemEasyfacebook microsoft
Daily Temperatures ProblemMediumadobe amazon apple bloomberg cisco expedia facebook goldman-sachs google linkedin microsoft nvidia uber zillow
Leaf-Similar Trees ProblemEasyamazon atlassian facebook google microsoft
Path Sum 3 - Count paths from parent to childMediumamazon bloomberg facebook microsoft oracle quora uber zillow