TitleDifficultyCompaniesVideos
Design HashMap ProblemEasyadobe amazon apple atlassian dell facebook goldman-sachs google linkedin microsoft nvidia oracle reddit salesforce servicenow tableau twitter uber vmware
Design Hashset ProblemEasyamazon google
Basic Calculator 4 ProblemHardamazon google indeed intuit pinterest roblox
Basic Calculator 3 ProblemHardamazon 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 1 ProblemHardadobe amazon bloomberg facebook google indeed intuit jump-trading karat microsoft paypal pinterest robinhood roblox snapchat uber
Product Sales Analysis IIEasyamazon
Find Customer Referee ProblemEasyamazon
Employees Earning More Than Their Managers ProblemEasyadobe amazon apple facebook google
Customer Order Frequency ProblemEasyamazon
Friendly Movies Streamed Last Month ProblemEasyamazon
Find the Team Size ProblemEasyamazon
Reverse Linked List 2 - between m and nMediumadobe amazon apple bloomberg bytedance docusign facebook google microsoft oracle
Equal Average PartitionMediumamazon
Longest String Chain ProblemMediumakuna-capital amazon citadel google sap two-sigma vmware
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 Characters ProblemMediumadobe 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
Maximum Sum Circular SubarrayMediumamazon facebook two-sigma uber
Top K Frequent Words ProblemMediumadobe amazon apple atlassian bloomberg expedia facebook google linkedin microsoft oracle pocket-gems salesforce tripadvisor uber vmware yelp
Delete non-tail Node in linked list, Given only access to that NodeMediumadobe amazon apple bloomberg cisco facebook goldman-sachs google microsoft qualcomm 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 Structure ProblemMediumairbnb amazon apple ebay facebook google microsoft salesforce uber
Score of Parentheses ProblemMediumadobe amazon bytedance
Design Circular Queue ProblemMediumairbnb amazon apple citadel cloudera facebook google microsoft oracle splunk
Camelcase Matching ProblemMediumamazon google
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
Longest Happy String ProblemMediumamazon wayfair
Open the Lock ProblemMediumamazon bloomberg facebook google uber
Partition Labels ProblemMediumamazon 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 TinyURL ProblemMediumadobe amazon bloomberg facebook google microsoft oracle uber
Flip Equivalent Binary Trees ProblemMediumamazon ebay google
Decode String ProblemMediumalibaba amazon appdynamics apple atlassian bloomberg bytedance cisco coupang cruise-automation ebay facebook google huawei hulu microsoft oracle salesforce snapchat tencent vmware yahoo yelp
Run-length EncodingEasyamazon
Partition Equal Subset Sum ProblemMediumamazon apple ebay facebook google microsoft paypal uber vmware yahoo
Convert BST to Greater Sum TreeMediumamazon apple microsoft uber
Longest Absolute File Path ProblemMediumamazon apple facebook google uber wish
Rotate String ProblemEasyamazon apple ebay linkedin microsoft oracle google