TitleDifficultyCompaniesVideos
Permutations of Array 2 - Array has duplicatesMediumadobe amazon apple bloomberg facebook linkedin microsoft uber vmware
Implement Power Function 1Mediumadobe amazon apple asana bloomberg ebay facebook goldman-sachs google linkedin microsoft morgan-stanley oracle uber vmware
Missing Number ProblemEasyadobe amazon apple arista-networks bloomberg facebook google ibm microsoft oracle servicenow vmware zillow
Binary Tree Path Sum - Maximum Sum between any nodesHardadobe amazon appdynamics apple baidu bloomberg bytedance facebook google intuit microsoft twitter uber vmware
Convert Sorted List into a height-balanced Binary search TreeMediumamazon bloomberg facebook google lyft microsoft oracle vmware zenefits
Find Median from Data StreamHardadobe amazon apple atlassian bloomberg bytedance citadel ebay expedia facebook goldman-sachs google microsoft netflix oracle pinterest qualtrics salesforce snapchat twitter uber vmware yahoo
Find Peak Element in a Given ArrayMediumamazon apple bloomberg bytedance facebook google ixl lyft microsoft quora uber vmware yahoo
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
Partition to K Equal Sum Subsets ProblemMediumamazon bytedance ebay facebook google houzz linkedin microsoft pinterest vmware
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
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
Sudoku Solver ProblemHardadobe amazon apple arista-networks doordash dropbox expedia facebook google microsoft oracle riot-games roblox snapchat uber vmware wish
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
Find the Index of the First Occurrence in a StringEasyadobe amazon apple bloomberg citadel dropbox ebay facebook google microsoft oracle paypal pocket-gems vmware yahoo yandex
Time Based Key-Value Store ProblemMediumamazon apple atlassian databricks facebook flexport google linkedin lyft microsoft netflix oracle square stripe sumologic twitter uber vmware zillow
Convert Binary Search Tree to Sorted Doubly Linked List ProblemMediumamazon bloomberg databricks facebook google lyft microsoft oracle uber vmware
Find Duplicate File in System ProblemMediumamazon apple dropbox facebook google microsoft oracle vmware
Flatten Nested List Iterator ProblemMediumairbnb amazon apple atlassian bloomberg ebay facebook google linkedin lyft microsoft oracle pinterest snapchat splunk twitter uber vmware
Shortest Word Distance 1Easyamazon google linkedin microsoft oracle paypal uber vmware
Find the Celebrity ProblemMediumamazon apple facebook google linkedin microsoft palantir-technologies pinterest square uber vmware
Kth Largest Element in an ArrayMediumadobe airbnb alibaba amazon apple atlassian baidu bloomberg bytedance ebay expedia facebook goldman-sachs google grab jpmorgan linkedin microsoft oracle pocket-gems salesforce snapchat spotify tencent uber vmware yahoo
Restore IP AddressesMediumadobe amazon apple facebook microsoft vmware yahoo snapchat
Dutch National Flag DNFMediumamazon apple bloomberg ebay facebook google linkedin microsoft oracle paypal pocket-gems pure-storage uber vmware yahoo
Longest Increasing Subsequence LIS ProblemMediumadobe amazon apple atlassian ebay facebook google microsoft oracle salesforce uber vmware
Sliding Window MaximumHardadobe alibaba amazon apple bloomberg bytedance citadel coursera databricks facebook google lyft microsoft nutanix oracle pinterest roblox twitter uber vmware wish yelp zenefits
Container With Most WaterMediumadobe amazon apple bloomberg bytedance facebook goldman-sachs google lyft microsoft oracle uber vmware yahoo
Jump Game 1 - Check if it reaches last indexMediumadobe amazon apple bloomberg bytedance facebook google microsoft nutanix oracle postmates uber vmware
Word Ladder 1 - Get Ladder LengthHardaffirm amazon apple audible bloomberg cohesity expedia facebook google linkedin lyft microsoft oracle pinterest qualtrics salesforce samsung servicenow snapchat spotify square tesla uber vmware yelp zillow
Unique Paths in Grid 1 - Count all paths moving right or downMediumadobe alibaba amazon apple bloomberg facebook goldman-sachs google mathworks microsoft oracle snapchat uber vmware
Valid Parentheses ProblemEasyadobe airbnb akuna-capital amazon apple atlassian audible barclays blizzard bloomberg cisco citadel doordash ebay epic-systems expedia facebook godaddy goldman-sachs google ibm intel intuit jpmorgan linkedin liveramp lyft mathworks microsoft morgan-stanley oracle paypal postmates riot-games salesforce samsung sap servicenow splunk spotify tencent tesla triplebyte twilio twitter uber visa vmware yahoo yandex zenefits zillow
Maximal SquareMediumadobe airbnb amazon appdynamics apple bloomberg citadel facebook google huawei microsoft oracle two-sigma uber vmware
Minimum Window SubstringHardadobe airbnb amazon apple bloomberg bytedance cohesity deutsche-bank directi ebay facebook godaddy goldman-sachs google linkedin lyft microsoft nutanix oracle salesforce snapchat tencent twitter uber visa vmware yahoo
Binary Tree Right Side ViewMediumadobe amazon apple atlassian bloomberg bytedance citadel ebay facebook google mathworks microsoft nvidia oracle paypal sap uber vmware
K Reverse a linked listHardadobe amazon apple bytedance cisco cohesity ebay facebook google mathworks microsoft paypal vmware
Linked List Cycle 1 - Detect CycleEasyadobe amazon apple bloomberg cisco ebay facebook goldman-sachs google linkedin microsoft oracle vmware yahoo
Populate next pointer to right node in Perfect Binary TreeMediumamazon apple bloomberg didi facebook google microsoft nutanix oracle sap vmware
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
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
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
Evaluate Reverse Polish NotationMediumamazon atlassian facebook google linkedin microsoft opendoor oracle uber vmware yandex zillow jane-street
Reverse Words in a StringMediumamazon apple bloomberg cisco citadel facebook google huawei microsoft nvidia oracle qualcomm salesforce snapchat vmware yelp zillow
Longest Palindromic Substring ProblemMediumadobe 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
Convert String to Integer atoi ProblemMediumadobe amazon apple bloomberg cisco citadel ebay facebook goldman-sachs google linkedin microsoft nvidia oracle redfin sap tencent uber vmware zillow
Kth Smallest Element in a BST ProblemMediumaffirm amazon apple bloomberg facebook google hulu microsoft oracle triplebyte uber vmware
Median of Two Sorted Arrays ProblemHardadobe airbnb alibaba amazon apple bloomberg bytedance didi dropbox ebay facebook garena godaddy goldman-sachs google houzz huawei jpmorgan microsoft oracle rubrik tencent two-sigma uber visa vmware yahoo yandex zenefits zillow zulily
Find Minimum in Rotated Sorted Array 1 - No duplicates allowedMediumamazon apple bloomberg ebay facebook goldman-sachs google microsoft oracle salesforce uber vmware wish
Maximal RectangleHardadobe amazon bloomberg citadel facebook google indeed karat microsoft samsung uber vmware wayfair
Coin Change with Fewest Number of Coins Given Infinite SupplyMediumadobe affirm airbnb amazon apple blackrock bloomberg bytedance capital-one ebay facebook goldman-sachs google jpmorgan linkedin microsoft oracle paypal sap uber visa vmware yahoo zappos