TitleDifficultyCompaniesVideos
Paint House 2 - N houses with k colors with no two adjacent houses with same colorHardfacebook google linkedin snapchat
Palindrome Pairs ProblemHardairbnb amazon apple bloomberg facebook google square uber
Reconstruct Itinerary ProblemHardamazon apple bloomberg citadel facebook goldman-sachs google microsoft qualtrics snapchat square twilio uber yandex yelp
Remove Invalid Parentheses ProblemHardamazon apple bloomberg facebook google houzz ponyai postmates uber
Serialize and Deserialize Binary TreeHardamazon apple bloomberg citadel ebay expedia facebook google groupon indeed linkedin microsoft oracle qualtrics quora salesforce snapchat tableau uber vmware yahoo
Shortest Palindrome 1 - Prepending charactersHardadobe amazon bloomberg facebook google microsoft oracle pocket-gems
Smallest K-Length Subsequence With Occurrences of a Letter ProblemHard
Strobogrammatic Number 3 - Count in RangeHardfacebook google
Student Attendance Record 2 ProblemHardgoogle uber
Sudoku Solver ProblemHardadobe amazon apple arista-networks doordash dropbox expedia facebook google microsoft oracle riot-games roblox snapchat uber vmware wish
Trips and Users ProblemHardamazon uber
Valid Number ProblemHardadobe amazon apple facebook google linkedin microsoft tripadvisor
Word Break 2 - Construct a sentenceHardamazon apple audible bloomberg bookingcom dropbox ebay facebook google microsoft oracle pinterest snapchat twitter uber zillow
Encode String with Shortest Length ProblemHardgoogle
Constrained Subsequence SumHardakuna-capital
Maximum Score of a Good SubarrayHard
Recover the Original ArrayHard
Design Skiplist ProblemHardebay google microsoft pure-storage twitter
Human Traffic of StadiumHardadobe amazon uber
Remove Max Number of Edges to Keep Graph Fully Traversable ProblemHard
Similar String Groups ProblemHardamazon facebook google snapchat
Sum of Distances in Tree ProblemHardgoogle
All O`one Data Structure ProblemHardamazon bloomberg facebook google linkedin microsoft uber
K-th Smallest in Lexicographical Order ProblemHardbytedance google hulu
Minimum Cost to Make Array EqualHard
Number of Increasing Paths in a Grid ProblemHard
Maximum Sum of 3 Non-Overlapping SubarraysHardfacebook google
Vertical Order Traversal of a Binary Tree ProblemHardadobe amazon bloomberg databricks facebook google linkedin microsoft reddit samsung
Naming a Company ProblemHard
Game Play Analysis VHardgsn-games
N-Queens 2 - Count number of distinct solutionsHardamazon zenefits
Rearrange String k Distance ApartHardamazon ebay facebook google microsoft
Smallest Rectangle Enclosing Black Pixels ProblemHardgoogle
Substring with Largest VarianceHard
Sliding Window MaximumHardadobe alibaba amazon apple bloomberg bytedance citadel coursera databricks facebook google lyft microsoft nutanix oracle pinterest roblox twitter uber vmware wish yelp zenefits
Skyline ProblemHardadobe amazon apple databricks facebook goldman-sachs google houzz microsoft salesforce tableau twitter uber yelp
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-Queens ProblemHardadobe amazon apple bytedance ebay facebook google microsoft oracle rubrik tableau uber
K Reverse a linked listHardadobe amazon apple bytedance cisco cohesity ebay facebook google mathworks microsoft paypal vmware
Best Time To Buy And Sell Stock 4 - at most k timesHardamazon apple bloomberg facebook google
Freedom Trail ProblemHardgoogle
Maximum Profit in Job Scheduling ProblemHardairbnb bytedance cisco google ponyai
Candy distribution ProblemHardamazon apple google microsoft salesforce uber
Median of Two Sorted Arrays ProblemHardadobe airbnb alibaba amazon apple bloomberg bytedance didi dropbox ebay facebook garena godaddy goldman-sachs google houzz huawei jpmorgan microsoft oracle rubrik tencent two-sigma uber visa vmware yahoo yandex zenefits zillow zulily
Maximal RectangleHardadobe amazon bloomberg citadel facebook google indeed karat microsoft samsung uber vmware wayfair
Department Top Three Salaries ProblemHardadobe amazon google netflix
Read N Characters Given Read4 2 - Call Multiple TimesHardamazon bloomberg facebook google lyft microsoft pinterest uber
Find Minimum in Rotated Sorted Array 2 - Duplicates allowedHardadobe amazon facebook google uber
Best Time To Buy And Sell Stock 3 - at most twiceHardamazon apple atlassian bloomberg citadel facebook flipkart google microsoft rubrik two-sigma
Text JustificationHardairbnb amazon apple box coursera facebook google indeed intuit linkedin lyft microsoft palantir paypal pinterest robinhood snapchat twilio twitter uber