TitleDifficultyCompaniesVideos
Island Perimeter ProblemEasyamazon apple bloomberg facebook google microsoft
All O`one Data Structure ProblemHardamazon bloomberg facebook google linkedin microsoft uber
Flatten a Multilevel Doubly Linked List ProblemMediumamazon apple bloomberg facebook google microsoft uber
Add Strings ProblemEasyadobe airbnb amazon apple bloomberg bytedance facebook google microsoft nvidia oracle snapchat square
Convert Number to Hexadecimal Number ProblemEasyfacebook microsoft
Daily Temperatures ProblemMediumadobe amazon apple bloomberg cisco expedia facebook goldman-sachs google linkedin microsoft nvidia uber zillow
Leaf-Similar Trees ProblemEasyamazon atlassian facebook google microsoft
Path Sum 3 - Count paths from parent to childMediumamazon bloomberg facebook microsoft oracle quora uber zillow
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
Time Based Key-Value Store ProblemMediumamazon apple atlassian databricks facebook flexport google linkedin lyft microsoft netflix oracle square stripe sumologic twitter uber vmware zillow
Maximum Sum of 3 Non-Overlapping SubarraysHardfacebook google
Add to Array-Form of IntegerEasyfacebook google
Convert Binary Search Tree to Sorted Doubly Linked List ProblemMediumamazon bloomberg databricks facebook google lyft microsoft oracle uber vmware
Sparse Matrix MultiplicationMediumamazon apple bloomberg facebook google linkedin microsoft snapchat uber
Vertical Order Traversal of a Binary Tree ProblemHardadobe amazon bloomberg databricks facebook google linkedin microsoft reddit samsung
Find Duplicate File in System ProblemMediumamazon apple dropbox facebook google microsoft oracle vmware
N-th Tribonacci Number ProblemEasycoursera facebook
Longest Substring with At Least K Repeating Characters ProblemMediumadobe amazon baidu bloomberg bytedance facebook google uber
Valid Square ProblemMediumfacebook google pure-storage
Game Analysis IVMediumfacebook gsn-games
Toeplitz MatrixEasyapple facebook google
Design Circular Deque ProblemMediumfacebook
Peak Index in a Mountain ArrayMediumamazon bloomberg facebook google microsoft quora uber
Shortest Way to Form String ProblemMediumfacebook google
Next Greater Element 2Mediumamazon bloomberg facebook google microsoft oracle yahoo
Backspace String Compare ProblemEasyamazon atlassian facebook google microsoft oracle uber
132 Pattern ProblemMediumamazon facebook google oracle
Valid Perfect Square ProblemEasyamazon facebook google linkedin microsoft
Nested List Weight Sum 2Mediumdidi facebook linkedin
Rearrange String k Distance ApartHardamazon ebay facebook google microsoft
Reorganize String ProblemMediumamazon apple ebay facebook google microsoft oracle qualtrics tesla twitch twitter uber
Flatten Nested List Iterator ProblemMediumairbnb amazon apple atlassian bloomberg ebay facebook google linkedin lyft microsoft oracle pinterest snapchat splunk twitter uber vmware
Intersection of Two Arrays 2 - Duplicates allowedEasyamazon apple bloomberg bytedance databricks facebook google linkedin microsoft oracle salesforce uber yandex
Intersection of Two Arrays 1 - Unique ElementsEasyamazon apple bloomberg bytedance facebook google indeed jpmorgan linkedin lyft microsoft oracle two-sigma uber yelp
Design Tic-Tac-Toe ProblemMediumamazon apple bloomberg doordash facebook google microsoft salesforce triplebyte uber
Longest Substring with At Most K Distinct Characters ProblemMediumamazon appdynamics bloomberg citadel coupang facebook google microsoft oracle snapchat uber wish
Nested List Weight SumMediumamazon cloudera facebook linkedin uber
Largest Binary Search Tree BST SubtreeMediumamazon apple facebook google lyft microsoft
Minimum Height TreesMediumamazon apple bloomberg facebook google snapchat
Remove Duplicate Letters ProblemMediumadobe amazon apple bytedance facebook google microsoft nutanix yahoo
Binary Tree Longest Consecutive Sequence ProblemMediumamazon facebook google uber
Longest Consecutive Sequence ProblemMediumadobe amazon apple bloomberg facebook google microsoft nutanix oracle paypal spotify uber wish
Find the Celebrity ProblemMediumamazon apple facebook google linkedin microsoft palantir-technologies pinterest square uber vmware
Group Shifted StringsMediumamazon facebook google uber
Second Highest Salary ProblemMediumadobe amazon apple bloomberg ebay facebook google microsoft yahoo
Knight Probability in Chessboard ProblemMediumamazon apple facebook goldman-sachs google microsoft
Add Two Numbers represented as Linked List in ForwardMediumamazon apple bloomberg bytedance cisco ebay facebook goldman-sachs google microsoft oracle uber yahoo
Course Schedule 1 - Is it PossibleMediumamazon apple bloomberg bytedance cisco cohesity ebay facebook goldman-sachs google intuit linkedin microsoft nutanix oracle paypal salesforce uber wish yahoo yelp zenefits
Course Schedule 2 - Get Ordered CoursesMediumairbnb amazon apple bloomberg doordash facebook google intuit microsoft nutanix oracle pinterest snapchat twitter uber wayfair zenefits