TitleDifficultyCompaniesVideos
Construct Binary Tree from Inorder and Preorder TraversalMediumadobe amazon apple bloomberg bytedance citadel facebook google microsoft oracle square twitter yahoo
Different Ways to Add Parentheses ProblemMediumamazon cisco citadel facebook google
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
Knight DialerMediumbox citadel facebook google microsoft pinterest twilio
Reconstruct Itinerary ProblemHardamazon apple bloomberg citadel facebook goldman-sachs google microsoft qualtrics snapchat square twilio uber yandex yelp
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
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
Longest Substring with At Most K Distinct Characters ProblemMediumamazon appdynamics bloomberg citadel coupang facebook google microsoft oracle snapchat uber wish
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
Inorder Successor in Binary Search TreeMediumamazon bloomberg citadel facebook google microsoft palantir-technologies pocket-gems quip zillow
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
Climbing Stairs Problem 1 - Take atmost 2 StepsEasyadobe alibaba amazon apple baidu bloomberg citadel facebook goldman-sachs google huawei linkedin microsoft nvidia oracle tripadvisor uber zulily
Maximal SquareMediumadobe airbnb amazon appdynamics apple bloomberg citadel facebook google huawei microsoft oracle two-sigma uber 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
Reverse Words in a StringMediumamazon apple bloomberg cisco citadel facebook google huawei microsoft nvidia oracle qualcomm salesforce snapchat vmware yelp zillow
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
Maximal RectangleHardadobe amazon bloomberg citadel facebook google indeed karat microsoft samsung uber vmware wayfair
3Sum0 - Find three elements in an array that sum to a zeroMediumadobe akuna-capital alibaba amazon apple baidu bloomberg bytedance cisco citadel citrix coursera doordash ebay expedia facebook goldman-sachs google groupon ibm mathworks microsoft oracle paypal postmates qualtrics quora salesforce samsung servicenow snapchat splunk square tencent uber visa vmware works-applications yahoo yandex zoho
Two SumEasyadobe aetion affirm airbnb alibaba amazon apple audible baidu blackrock bloomberg bookingcom box bytedance cisco citadel cloudera deutsche-bank didi drawbridge dropbox ebay emc expedia facebook factset ge-digital godaddy goldman-sachs google groupon huawei ibm indeed intel intuit jpmorgan linkedin lyft mathworks microsoft morgan-stanley netease nvidia oracle paypal qualcomm quora radius roblox salesforce samsung sap servicenow snapchat splunk spotify tableau tencent twilio twitter uber valve visa vmware wish works-applications yahoo yandex yelp zillow zoho
Meeting Rooms 2 - Minimum Meeting Rooms RequiredMediumamazon apple atlassian bloomberg bookingcom cisco citadel citrix drawbridge ebay expedia facebook godaddy goldman-sachs google lyft microsoft nutanix oracle paypal postmates quora snapchat uber visa yelp
Implement Queue using StacksEasyamazon apple bloomberg citadel google mathworks microsoft oracle salesforce uber yahoo yandex
Implement Stack using QueuesEasyamazon bloomberg citadel google mathworks microsoft twilio yahoo
Number of IslandsMediumadobe affirm alibaba amazon appdynamics apple arista-networks atlassian audible blackrock bloomberg bytedance cisco citadel citrix cohesity cruise-automation doordash ebay electronic-arts evernote expedia facebook godaddy goldman-sachs google houzz hulu jpmorgan linkedin liveramp lyft mathworks microsoft nutanix nvidia oracle palantir-technologies paypal qualtrics roblox salesforce servicenow snapchat splunk spotify square sumologic tableau twitch twitter uber visa vmware wish yahoo zenefits zulily
Best Time To Buy And Sell Stock 3 - at most twiceHardamazon apple atlassian bloomberg citadel facebook flipkart google microsoft rubrik two-sigma
Best Time To Buy And Sell Stock 2 - Any number of timesMediumadobe amazon apple bloomberg citadel facebook goldman-sachs google microsoft oracle uber yahoo
Trapping Rain Water ProblemHardadobe affirm airbnb amazon apple audible bloomberg bytedance citadel databricks dataminr ebay electronic-arts facebook flipkart goldman-sachs google grab huawei lyft microsoft nvidia oracle palantir-technologies qualtrics salesforce servicenow snapchat tableau twitter uber visa wish yahoo yandex zenefits
Design LRU CacheMediumadobe alibaba amazon apple asana baidu bloomberg bytedance cisco citadel cloudera cruise-automation docusign doordash dropbox ebay expedia facebook godaddy goldman-sachs google groupon hbo intuit jpmorgan linkedin lyft microsoft morgan-stanley nutanix nvidia oracle palantir-technologies paypal pinterest roblox salesforce sap snapchat splunk spotify tesla tripadvisor twilio twitch twitter two-sigma uber visa vmware wish yahoo yandex zenefits zillow
Best Time To Buy And Sell Stock 1 - only one transactionEasyadobe akuna-capital alibaba amazon apple atlassian audible blackrock bloomberg bytedance cisco citadel deutsche-bank doordash expedia facebook goldman-sachs google grab groupon intel jpmorgan linkedin lyft microsoft morgan-stanley oracle paypal redfin sap snapchat tableau tencent uber visa vmware yahoo zillow
Find Pivot IndexEasyamazon apple bloomberg citadel coupang expedia facebook godaddy goldman-sachs google indeed microsoft radius salesforce tesla
Maximum Product of Three NumbersEasyamazon apple bloomberg cisco citadel coursera facebook goldman-sachs intuit redfin symantec
Longest String Chain ProblemMediumakuna-capital amazon citadel google sap two-sigma vmware
Word Search 2 - Return All WordsHardairbnb amazon apple bloomberg bytedance cisco citadel facebook google houzz microsoft oracle roblox salesforce snapchat uber yahoo zillow
Design Circular Queue ProblemMediumairbnb amazon apple citadel cloudera facebook google microsoft oracle splunk