TitleDifficultyCompaniesVideos
3Sum SmallerMediumgoogle ibm mathworks
Construct Binary Tree from Inorder and Postorder TraversalMediumamazon bloomberg facebook google mathworks microsoft twitter
Generate Nth Fibonacci NumberEasyamazon apple barclays facebook mathworks microsoft sap 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
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
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
K Reverse a linked listHardadobe amazon apple bytedance cisco cohesity ebay facebook google mathworks microsoft paypal vmware
Sum of Left LeavesEasyadobe amazon bloomberg expedia facebook google mathworks
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
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
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
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
Unique Paths in Grid 2 - Count all paths moving right or down with obstaclesMediumamazon apple bloomberg cruise-automation epic-systems facebook godaddy goldman-sachs google mathworks microsoft qualcomm snapchat vmware yahoo
Group Anagrams ProblemMediumadobe affirm amazon apple bloomberg bookingcom cisco docusign ebay electronic-arts facebook goldman-sachs google hulu intuit mathworks microsoft nutanix oracle qualtrics salesforce servicenow snapchat tesla twilio uber visa vmware wish yahoo yandex yelp zulily
Reverse Linked List ProblemEasyadobe alibaba amazon apple bloomberg bytedance cisco citrix docusign ebay electronic-arts facebook factset goldman-sachs google intel mathworks microsoft nvidia oracle paypal qualcomm snapchat spotify tencent tripadvisor twitter uber visa vmware yahoo yandex yelp zenefits
Add Two Numbers represented as Linked List in Reversed OrderMediumadobe aetion airbnb alibaba amazon apple baidu bloomberg bytedance capital-one cisco dell docusign ebay facebook flipkart google grab huawei ibm intel lyft mathworks microsoft nvidia oracle paypal qualcomm redfin salesforce servicenow uber vmware wish yahoo yandex zoho
Binary Tree Traversal - Vertical Order TraversalMediumadobe amazon bloomberg bytedance databricks expedia facebook google mathworks microsoft oracle reddit salesforce snapchat wish