TitleDifficultyCompaniesVideos
Binary Tree Path - All root to leaf pathsEasyadobe amazon apple facebook google microsoft
Number of Atoms ProblemHardadobe amazon bytedance facebook google pinterest
Reverse Substrings Between Each Pair of Parentheses ProblemMediumadobe oracle postmates
Split Linked List in Parts ProblemMediumadobe amazon
Height Checker ProblemEasyadobe amazon goldman-sachs google salesforce
Find Common Characters ProblemEasyadobe amazon apple bloomberg tripadvisor
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
Reverse Integer ProblemMediumadobe amazon apple barclays bloomberg cisco facebook google jpmorgan lyft microsoft netease oracle uber yahoo
Palindrome Number ProblemEasyadobe amazon apple bloomberg facebook google hcl jpmorgan microsoft oracle yahoo
Balanced Binary Tree ProblemEasyadobe amazon apple bloomberg bytedance cisco facebook google microsoft
Binary Tree Path Sum - Maximum Sum between any nodesHardadobe amazon appdynamics apple baidu bloomberg bytedance facebook google intuit microsoft twitter uber vmware
Construct Binary Tree from Inorder and Preorder TraversalMediumadobe amazon apple bloomberg bytedance citadel facebook google microsoft oracle square twitter yahoo
Contains Duplicate 2 - within k distanceEasyadobe airbnb amazon apple bloomberg google microsoft palantir-technologies
Contains Duplicate 3 - within k distance and t differenceHardadobe airbnb apple google microsoft palantir-technologies
Count of Smaller Numbers After Self ProblemHardadobe amazon apple bloomberg facebook google microsoft oracle uber
Count PrimesMediumadobe amazon apple bloomberg capital-one ebay facebook goldman-sachs google intel microsoft oracle yahoo yandex
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
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
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
Nim GameEasyadobe bloomberg
Remove K Digits ProblemMediumadobe amazon bloomberg bytedance didi facebook google microsoft nutanix oracle snapchat vmware
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
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
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
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
Human Traffic of StadiumHardadobe amazon uber
Koko Eating Bananas ProblemMediumadobe airbnb amazon facebook google
Number of ProvincesMediumadobe amazon atlassian bloomberg drawbridge ebay facebook goldman-sachs google linkedin microsoft pocket-gems salesforce twitter two-sigma 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
Add Strings ProblemEasyadobe airbnb amazon apple bloomberg bytedance facebook google microsoft nvidia oracle snapchat square
Daily Temperatures ProblemMediumadobe amazon apple bloomberg cisco expedia facebook goldman-sachs google linkedin microsoft nvidia uber zillow
Maximum Subarray SumMediumadobe alibaba amazon apple asana atlassian bloomberg bytedance capital-one cisco citadel ebay expedia facebook goldman-sachs google ibm intel jpmorgan linkedin microsoft morgan-stanley nvidia oracle palantir-technologies paypal qualcomm salesforce sap two-sigma uber visa wayfair yahoo zillow
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
Vertical Order Traversal of a Binary Tree ProblemHardadobe amazon bloomberg databricks facebook google linkedin microsoft reddit samsung
Longest Substring with At Least K Repeating Characters ProblemMediumadobe amazon baidu bloomberg bytedance facebook google uber
Lexicographical Numbers ProblemMediumadobe bloomberg bytedance google
Find the Difference ProblemEasyadobe amazon google
Remove Duplicate Letters ProblemMediumadobe amazon apple bytedance facebook google microsoft nutanix yahoo
Longest Consecutive Sequence ProblemMediumadobe amazon apple bloomberg facebook google microsoft nutanix oracle paypal spotify uber wish
Bitwise AND of Numbers Range ProblemMediumadobe