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Clone Undirected GraphMediumamazon apple facebook google linkedin mathworks microsoft pocket-gems splunk twitter uber vmware
Construct Binary Tree from Inorder and Level Order TraversalMedium
Convert Sorted Array to height-balanced Binary Search TreeEasyairbnb amazon apple bloomberg cisco facebook google microsoft oracle yahoo
Copy List with Random PointerMediumadobe amazon apple bloomberg capital-one ebay expedia facebook google microsoft nutanix oracle qualtrics snapchat uber visa yahoo
Delete X Nodes After Y NodesMedium
Evaluation of Arithmetic Expression TreeMediummicrosoft
Flatten a Multi-Level Linked List level by levelMediumfacebook
Intersection of Two Linked ListsEasyairbnb alibaba amazon apache-design bloomberg bytedance cisco ebay expedia facebook goldman-sachs google linkedin microsoft morgan-stanley netapp oracle qualcomm redfin sap tencent yahoo
K reverse a Linked List in alternating wayMedium
Lowest Common Ancestor of a Binary Search TreeMediumadobe amazon bloomberg cisco facebook google linkedin microsoft oracle twitter uber
Maximal SquareMediumadobe airbnb amazon appdynamics apple bloomberg citadel facebook google huawei microsoft oracle two-sigma uber vmware
Minimum Path Sum in matrixMediumadobe amazon apple bloomberg dropbox facebook goldman-sachs google microsoft nvidia rubrik uber wish
Minimum Window SubstringHardadobe airbnb amazon apple bloomberg bytedance cohesity deutsche-bank directi ebay facebook godaddy goldman-sachs google linkedin lyft microsoft nutanix oracle salesforce snapchat tencent twitter uber visa vmware yahoo
N-QueensHardadobe amazon apple bytedance ebay facebook google microsoft oracle rubrik tableau uber
Print All Combinations of subset of size K from Given ArrayMedium
Print binary representation of a decimal numberMedium
Rabin-Karp Algorithm ExplainedMedium
Rearrange array elements - first and second half in alternating orderEasy
Rearrange array to match each index with element valueMedium
Return all diagonals of a rectangular two-dimensional matrixMedium
Reverse a Doubly Linked ListMedium
Swap Every Kth Node in a LinkedListMedium
Unique Paths in Grid 1-2 - Get all paths moving right or downMedium
Binary Tree Left Side ViewMedium
Binary Tree Right Side ViewMediumadobe amazon apple atlassian bloomberg bytedance citadel ebay facebook google mathworks microsoft nvidia oracle paypal sap uber vmware
Create linked lists of all the nodes at each depth for a Binary TreeMedium
Diameter Of a Binary TreeEasyadobe amazon apple atlassian baidu bloomberg bytedance facebook google intel microsoft oracle qualtrics tencent
Floyd Cycle-Finding AlgorithmMedium
K Reverse a linked listHardadobe amazon apple bytedance cisco cohesity ebay facebook google mathworks microsoft paypal vmware
Linked List Cycle 1 - Detect CycleEasyadobe amazon apple bloomberg cisco ebay facebook goldman-sachs google linkedin microsoft oracle vmware yahoo
Maximum Depth of Binary TreeEasyadobe amazon apple bloomberg bytedance facebook goldman-sachs google linkedin microsoft paypal sap uber yahoo
Populate next pointer to right node in Perfect Binary TreeMediumamazon apple bloomberg didi facebook google microsoft nutanix oracle sap vmware
Same TreeEasyamazon apple bloomberg facebook google linkedin microsoft
Search a 2D Matrix 2 - Rows and columns are sortedMediumadobe amazon apple baidu bloomberg bytedance citadel ebay expedia facebook goldman-sachs google linkedin microsoft oracle paypal salesforce sap tencent yahoo
Sum of Left LeavesEasyadobe amazon bloomberg expedia facebook google mathworks
Validate Stack SequencesMediumgoogle linkedin
Binary Tree Preorder TraversalEasyamazon bloomberg cisco google microsoft
Allocate MailboxesHardbloomberg
Stone Game 1Mediumadobe
Arithmetic SlicesMediumaetion amazon baidu bloomberg facebook microsoft
Build Array Where You Can Find The Maximum Exactly K ComparisonsHard
Champagne TowerMediumgoogle
Paint House 3Hardpaypal
Best Time To Buy And Sell Stock 4 - at most k timesHardamazon apple bloomberg facebook google
Count All Possible RoutesHard
Freedom TrailHardgoogle
Longest Arithmetic SubsequenceMediumamazon facebook google microsoft quora snapdeal
Maximum Length of Repeated SubarrayMediumcitadel indeed intuit karat pinterest wayfair facebook
Minimum Falling Path SumMediumamazon apple goldman-sachs google
Minimum Falling Path Sum IIHardgoogle