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DesignConcurrencyDatabaseDatabase
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Basic Calculator 3Hardamazon apple bytedance doordash facebook google houzz hulu jingchi microsoft pinterest pocket-gems snapchat uber
Basic Calculator 2 ProblemMediumairbnb amazon apple atlassian doordash ebay facebook google houzz indeed intuit ixl microsoft oracle paypal postmates reddit snapchat tableau tencent uber
Basic Calculator 1Hardadobe amazon bloomberg facebook google indeed intuit jump-trading karat microsoft paypal pinterest robinhood roblox snapchat uber
Best Meeting PointHardamazon facebook google linkedin snapchat twitter
Friend Requests I - Overall Acceptance Rate ProblemEasyfacebook
Employees Earning More Than Their Managers ProblemEasyadobe amazon apple facebook google
User Activity for the Past 30 Days IIEasyfacebook
Random Pick IndexMediumfacebook google uber
Reservoir Sampling Explainedfacebook
Reverse Linked List 2 - between m and nMediumadobe amazon apple bloomberg bytedance docusign facebook google microsoft oracle
Binary Tree CamerasHardebay facebook google uber
First Bad VersionEasyadobe amazon bloomberg facebook google microsoft uber
Word Search 1 - Find if word existsMediumadobe amazon apple bloomberg bytedance coupang coursera cruise-automation docusign facebook google intuit jpmorgan linkedin lyft microsoft oracle pinterest quantcast snapchat uber vmware yahoo zillow
Word Search 2 - Return All WordsHardairbnb amazon apple bloomberg bytedance cisco citadel facebook google houzz microsoft oracle roblox salesforce snapchat uber yahoo zillow
Longest Substring Without Repeating CharactersMediumadobe alation alibaba amazon apple atlassian baidu bloomberg bytedance cisco coupang ebay expedia facebook goldman-sachs google huawei microsoft oracle paypal salesforce samsung sap snapchat spotify twitch uber vmware yahoo yandex yelp zillow zoho
Sum Root to Leaf NumbersMediumamazon bloomberg ebay facebook google microsoft
Maximum Sum Circular SubarrayMediumamazon facebook two-sigma uber
Top K Frequent WordsMediumadobe amazon apple atlassian bloomberg expedia facebook google linkedin microsoft oracle pocket-gems salesforce tripadvisor uber vmware yelp
H-Index 2Mediumfacebook
Delete non-tail Node in linked list, Given only access to that NodeMediumadobe amazon apple bloomberg cisco facebook goldman-sachs google microsoft qualcomm yahoo
H-IndexMediumadobe bloomberg facebook google tripadvisor yahoo
Binary Tree Traversal - Vertical Order TraversalMediumadobe amazon bloomberg bytedance databricks expedia facebook google mathworks microsoft oracle reddit salesforce snapchat wish
Design Add and Search Words Data StructureMediumairbnb amazon apple ebay facebook google microsoft salesforce uber
Design Circular QueueMediumairbnb amazon apple citadel cloudera facebook google microsoft oracle splunk
Minimum Remove to Make Valid ParenthesesMediumamazon bloomberg bytedance facebook google microsoft
Serialize and Deserialize N-Ary TreeHardamazon apple ebay facebook google linkedin microsoft pinterest uber
Stickers to Spell WordHardfacebook ixl
Open the LockMediumamazon bloomberg facebook google uber citrix
Partition LabelsMediumamazon apple facebook
Trim a Binary Search Tree BSTMediumadobe amazon apple bloomberg facebook google microsoft yahoo
Flatten binary tree to linked list in order of preorder traversalMediumadobe amazon apple bloomberg bytedance coupang databricks facebook google microsoft nvidia oracle uber yahoo
Encode and Decode TinyURLMediumadobe amazon bloomberg facebook google microsoft oracle uber
Decode StringMediumalibaba amazon appdynamics apple atlassian bloomberg bytedance cisco coupang cruise-automation ebay facebook google huawei hulu microsoft oracle salesforce snapchat tencent vmware yahoo yelp
Rotate an Array to LeftMediumfacebook
Partition Equal Subset SumMediumamazon apple ebay facebook google microsoft paypal uber vmware yahoo
Maximum Intervals Overlap CountMediumamazon 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
Longest Absolute File PathMediumamazon apple facebook google uber wish