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942 problems

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Array566Dynamic Programming328String188Math182Binary Search133Hash Table132Sorting104Greedy102Bit Manipulation101Graph92Depth-First Search88Heap (Priority Queue)77Prefix Sum75Matrix74Breadth-First Search70All topics

Hard · With video · 942 results

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TitleSolutionAcceptDifficultyTopics
2995. Viewers Turned StreamersVideoPremium
Solution43.4%Hard
Database· 2 companies
2999. Count the Number of Powerful IntegersVideo
Solution46.3%Hard
Dynamic Programming, Math +1· 5 companies
3003. Maximize the Number of Partitions After OperationsVideo
Solution53.5%Hard
Bit Manipulation, Bitmask +2· 1 company
3008. Find Beautiful Indices in the Given Array IIVideo
Solution28.3%Hard
Binary Search, Hash Function +4· 3 companies
3009. Maximum Number of Intersections on the ChartVideoPremium
Solution45.5%Hard
Array, Binary Indexed Tree +2· 1 company
3013. Divide an Array Into Subarrays With Minimum Cost IIVideo
Solution54.7%Hard
Array, Hash Table +2· 4 companies
3017. Count the Number of Houses at a Certain Distance IIVideo
Solution23.7%Hard
Graph, Prefix Sum· 1 company
3018. Maximum Number of Removal Queries That Can Be Processed IVideoPremium
Solution44.8%Hard
Array, Dynamic Programming
3022. Minimize OR of Remaining Elements Using OperationsVideo
Solution30.2%Hard
Array, Bit Manipulation +1· 1 company
3027. Find the Number of Ways to Place People IIVideo
Solution64.4%Hard
Array, Enumeration +3· 3 companies
3031. Minimum Time to Revert Word to Initial State IIVideo
Solution35.1%Hard
Hash Function, Rolling Hash +2· 1 company
3036. Number of Subarrays That Match a Pattern IIVideo
Solution34.1%Hard
Array, Hash Function +2· 2 companies
3037. Find Pattern in Infinite Stream IIVideoPremium
–68.1%Hard
Array, Hash Function +3· 1 company
3041. Maximize Consecutive Elements in an Array After ModificationVideo
Solution33.7%Hard
Array, Dynamic Programming +1· 1 company
3045. Count Prefix and Suffix Pairs IIVideo
Solution28.2%Hard
Array, Hash Function +4· 4 companies
3049. Earliest Second to Mark Indices IIVideo
Solution22.6%Hard
Array, Binary Search +2· 2 companies
3052. Maximize ItemsVideoPremium
Solution74.4%Hard
Database· 1 company
3057. Employees Project AllocationVideoPremium
Solution68.4%Hard
Database
3060. User Activities within Time BoundsVideoPremium
Solution42.3%Hard
Database
3061. Calculate Trapping Rain WaterVideoPremium
Solution82.0%Hard
Database
3068. Find the Maximum Sum of Node ValuesVideo
Solution69.5%Hard
Array, Bit Manipulation +4· 4 companies
3072. Distribute Elements Into Two Arrays IIVideo
Solution32.1%Hard
Array, Binary Indexed Tree +2· 2 companies
3077. Maximum Strength of K Disjoint SubarraysVideo
Solution28.2%Hard
Array, Dynamic Programming +1· 2 companies
3082. Find the Sum of the Power of All SubsequencesVideo
Solution38.7%Hard
Array, Dynamic Programming· 2 companies
3086. Minimum Moves to Pick K OnesVideo
Solution21.6%Hard
Array, Greedy +2· 1 company
3088. Make String Anti-palindromeVideoPremium
Solution46.6%Hard
Counting Sort, Greedy +2· 1 company
3093. Longest Common Suffix QueriesVideo
Solution52.8%Hard
Array, String +1· 2 companies
3098. Find the Sum of Subsequence PowersVideo
Solution25.1%Hard
Array, Dynamic Programming +1· 1 company
3102. Minimize Manhattan DistancesVideo
Solution32.9%Hard
Array, Geometry +3
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
3108. Minimum Cost Walk in Weighted GraphVideo
Solution68.3%Hard
Array, Bit Manipulation +2· 6 companies
3113. Find the Number of Subarrays Where Boundary Elements Are MaximumVideo
Solution34.2%Hard
Array, Binary Search +2· 2 companies
3116. Kth Smallest Amount With Single Denomination CombinationVideo
Solution50.3%Hard
Array, Binary Search +4
3117. Minimum Sum of Values by Dividing ArrayVideo
Solution28.5%Hard
Array, Binary Search +4· 1 company
3123. Find Edges in Shortest PathsVideo
Solution47.0%Hard
Breadth-First Search, Depth-First Search +3· 2 companies
3130. Find All Possible Stable Binary Arrays IIVideo
Solution58.4%Hard
Dynamic Programming, Prefix Sum· 2 companies
3134. Find the Median of the Uniqueness ArrayVideo
Solution30.0%Hard
Array, Binary Search +2· 2 companies
3139. Minimum Cost to Equalize ArrayVideo
Solution18.8%Hard
Array, Enumeration +1· 1 company
3141. Maximum Hamming DistancesVideoPremium
Solution50.0%Hard
Array, Bit Manipulation +1
3145. Find Products of Elements of Big ArrayVideo
Solution25.0%Hard
Array, Binary Search +1· 1 company
3149. Find the Minimum Cost Array PermutationVideo
Solution26.1%Hard
Array, Bit Manipulation +2· 1 company
3154. Find Number of Ways to Reach the K-th StairVideo
Solution38.2%Hard
Bit Manipulation, Combinatorics +3· 1 company
3161. Block Placement QueriesVideo
Solution41.0%Hard
Array, Binary Indexed Tree +2· 10 companies
3165. Maximum Sum of Subsequence With Non-adjacent ElementsVideo
Solution15.7%Hard
Array, Divide and Conquer +2· 2 companies
3171. Find Subarray With Bitwise OR Closest to KVideo
Solution31.5%Hard
Array, Binary Search +2· 1 company
3177. Find the Maximum Length of a Good Subsequence IIVideo
Solution25.2%Hard
Array, Dynamic Programming +1· 1 company
3181. Maximum Total Reward Using Operations IIVideo
Solution21.9%Hard
Array, Bit Manipulation +1· 1 company
3187. Peaks in ArrayVideo
Solution28.5%Hard
Array, Binary Indexed Tree +1· 1 company
3188. Find Top Scoring Students IIVideoPremium
Solution40.1%Hard
Database
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