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789 problems

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Array301Database212Hash Table116String116Depth-First Search78Math78Dynamic Programming76Sorting64Tree63Breadth-First Search53Greedy52Binary Search50Binary Tree48Two Pointers40Matrix39All topics

Premium · 789 results

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TitleSolutionAcceptDifficultyTopics
3004. Maximum Subtree of the Same ColorVideoPremium
Solution59.2%Medium
Array, Depth-First Search +2· 2 companies
3009. Maximum Number of Intersections on the ChartVideoPremium
Solution45.5%Hard
Array, Binary Indexed Tree +2· 1 company
3018. Maximum Number of Removal Queries That Can Be Processed IVideoPremium
Solution44.8%Hard
Array, Dynamic Programming
3023. Find Pattern in Infinite Stream IVideoPremium
Solution57.5%Medium
Array, Hash Function +3· 1 company
3032. Count Numbers With Unique Digits IIVideoPremium
Solution87.4%Easy
Dynamic Programming, Hash Table +1· 1 company
3037. Find Pattern in Infinite Stream IIVideoPremium
–68.1%Hard
Array, Hash Function +3· 1 company
3050. Pizza Toppings Cost AnalysisVideoPremium
Solution69.2%Medium
Database· 1 company
3051. Find Candidates for Data Scientist PositionVideoPremium
Solution75.7%Easy
Database· 1 company
3052. Maximize ItemsVideoPremium
Solution74.4%Hard
Database· 1 company
3053. Classifying Triangles by LengthsVideoPremium
Solution51.2%Easy
Database· 1 company
3054. Binary Tree NodesVideoPremium
Solution78.0%Medium
Database· 1 company
3055. Top Percentile FraudVideoPremium
Solution57.4%Medium
Database
3056. Snaps AnalysisVideoPremium
Solution58.8%Medium
Database
3057. Employees Project AllocationVideoPremium
Solution68.4%Hard
Database
3058. Friends With No Mutual FriendsVideoPremium
Solution49.4%Medium
Database
3059. Find All Unique Email DomainsVideoPremium
Solution70.3%Easy
Database
3060. User Activities within Time BoundsVideoPremium
Solution42.3%Hard
Database
3061. Calculate Trapping Rain WaterVideoPremium
Solution82.0%Hard
Database
3062. Winner of the Linked List GameVideoPremium
Solution77.6%Easy
Linked List
3063. Linked List FrequencyVideoPremium
Solution85.8%Easy
Counting, Hash Table +1
3064. Guess the Number Using Bitwise Questions IVideoPremium
Solution89.0%Medium
Bit Manipulation, Interactive
3073. Maximum Increasing Triplet ValueVideoPremium
Solution35.7%Medium
Array, Ordered Set· 1 company
3078. Match Alphanumerical Pattern in Matrix IVideoPremium
Solution64.6%Medium
Array, Hash Table +2· 2 companies
3087. Find Trending HashtagsVideoPremium
Solution62.0%Medium
Database
3088. Make String Anti-palindromeVideoPremium
Solution46.6%Hard
Counting Sort, Greedy +2· 1 company
3089. Find Bursty BehaviorPremium
Solution38.1%Medium
Database
3094. Guess the Number Using Bitwise Questions IIVideoPremium
Solution81.8%Medium
Bit Manipulation, Interactive
3103. Find Trending Hashtags II VideoPremium
Solution66.2%Hard
Database
3104. Find Longest Self-Contained SubstringVideoPremium
Solution58.6%Hard
Binary Search, Hash Table +2· 1 company
3109. Find the Index of PermutationVideoPremium
Solution37.1%Medium
Array, Binary Indexed Tree +5
3118. Friday Purchase III VideoPremium
Solution55.4%Medium
Database
3119. Maximum Number of Potholes That Can Be FixedVideoPremium
Solution53.3%Medium
Greedy, Sorting +1· 2 companies
3124. Find Longest CallsVideoPremium
Solution63.9%Medium
Database
3125. Maximum Number That Makes Result of Bitwise AND ZeroVideoPremium
Solution70.0%Medium
Greedy, Sorting +1· 1 company
3126. Server Utilization TimeVideoPremium
Solution61.0%Medium
Database
3135. Equalize Strings by Adding or Removing Characters at EndsVideoPremium
Solution56.8%Medium
Binary Search, Dynamic Programming +3· 1 company
3140. Consecutive Available Seats IIVideoPremium
Solution55.8%Medium
Database
3141. Maximum Hamming DistancesVideoPremium
Solution50.0%Hard
Array, Bit Manipulation +1
3150. Invalid Tweets IIVideoPremium
Solution85.0%Easy
Database
3155. Maximum Number of Upgradable ServersVideoPremium
Solution43.8%Medium
Array, Binary Search +1· 1 company
3156. Employee Task Duration and Concurrent TasksPremium
Solution39.9%Hard
Database
3157. Find the Level of Tree with Minimum SumVideoPremium
Solution69.6%Medium
Binary Tree, Breadth-First Search +2· 1 company
3166. Calculate Parking Fees and DurationVideoPremium
Solution53.0%Medium
Database
3167. Better Compression of StringVideoPremium
Solution75.3%Medium
Counting, Hash Table +2· 2 companies
3172. Second Day VerificationVideoPremium
Solution66.7%Easy
Database
3173. Bitwise OR of Adjacent ElementsVideoPremium
Solution94.8%Easy
Array, Bit Manipulation· 1 company
3182. Find Top Scoring StudentsVideoPremium
Solution50.2%Medium
Database
3183. The Number of Ways to Make the SumVideoPremium
Solution50.8%Medium
Array, Dynamic Programming
3188. Find Top Scoring Students IIVideoPremium
Solution40.1%Hard
Database
3189. Minimum Moves to Get a Peaceful BoardVideoPremium
Solution75.9%Medium
Array, Counting Sort +2
Showing 601–650 of 789