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Problems

77 problems

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Array578Dynamic Programming332String191Math187Binary Search136Hash Table134Sorting106Greedy104Bit Manipulation103Graph96Depth-First Search91Heap (Priority Queue)78Prefix Sum77Matrix75Breadth-First Search71All topics

Hard · 77 results

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TitleSolutionAcceptDifficultyTopics
363. Max Sum of Rectangle No Larger Than KVideo
Solution46.0%Hard
Array, Binary Search +3· 3 companies
410. Split Array Largest SumVideo
Solution61.2%Hard
Array, Binary Search +3· 20 companies
548. Split Array with Equal SumVideoPremium
Solution50.1%Hard
Array, Hash Table +1· 1 company
644. Maximum Average Subarray IIVideoPremium
Solution37.7%Hard
Array, Binary Search +1· 1 company
732. My Calendar IIIVideo
Solution72.4%Hard
Binary Search, Design +3· 1 company
798. Smallest Rotation with Highest ScoreVideo
Solution54.8%Hard
Array, Prefix Sum· 1 company
862. Shortest Subarray with Sum at Least KVideo
Solution33.3%Hard
Array, Binary Search +5· 7 companies
903. Valid Permutations for DI SequenceVideo
Solution56.9%Hard
Dynamic Programming, Prefix Sum +1
995. Minimum Number of K Consecutive Bit FlipsVideo
Solution62.7%Hard
Array, Bit Manipulation +3· 2 companies
1000. Minimum Cost to Merge StonesVideo
Solution47.0%Hard
Array, Dynamic Programming +1· 4 companies
1074. Number of Submatrices That Sum to TargetVideo
Solution74.4%Hard
Array, Hash Table +2· 4 companies
1420. Build Array Where You Can Find The Maximum Exactly K ComparisonsVideo
Solution65.3%Hard
Dynamic Programming, Prefix Sum· 2 companies
1687. Delivering Boxes from Storage to PortsVideo
Solution40.1%Hard
Array, Dynamic Programming +5· 1 company
1703. Minimum Adjacent Swaps for K Consecutive OnesVideo
Solution42.8%Hard
Array, Greedy +2· 4 companies
1788. Maximize the Beauty of the GardenVideoPremium
Solution62.8%Hard
Array, Greedy +2· 1 company
1862. Sum of Floored PairsVideo
Solution31.4%Hard
Array, Binary Search +2
1872. Stone Game VIIIVideo
Solution75.2%Hard
Array, Dynamic Programming +3· 1 company
1889. Minimum Space Wasted From PackagingVideo
Solution33.6%Hard
Array, Binary Search +2· 3 companies
2025. Maximum Number of Ways to Partition an ArrayVideo
Solution36.2%Hard
Array, Counting +3· 2 companies
2106. Maximum Fruits Harvested After at Most K StepsVideo
Solution61.0%Hard
Array, Binary Search +2· 5 companies
2132. Stamping the GridVideo
Solution36.3%Hard
Array, Greedy +2· 1 company
2209. Minimum White Tiles After Covering With CarpetsVideo
Solution39.3%Hard
Dynamic Programming, Prefix Sum +1· 1 company
2218. Maximum Value of K Coins From PilesVideo
Solution60.5%Hard
Array, Dynamic Programming +1· 1 company
2251. Number of Flowers in Full BloomVideo
Solution57.8%Hard
Array, Binary Search +4· 7 companies
2281. Sum of Total Strength of WizardsVideo
Solution29.8%Hard
Array, Monotonic Stack +2· 1 company
2302. Count Subarrays With Score Less Than KVideo
Solution62.3%Hard
Array, Binary Search +2· 5 companies
2382. Maximum Segment Sum After RemovalsVideo
Solution50.1%Hard
Array, Ordered Set +2· 2 companies
2398. Maximum Number of Robots Within BudgetVideo
Solution38.8%Hard
Array, Binary Search +5· 2 companies
2448. Minimum Cost to Make Array EqualVideo
Solution46.7%Hard
Array, Binary Search +3· 6 companies
2488. Count Subarrays With Median KVideo
Solution49.1%Hard
Array, Hash Table +1· 3 companies
2528. Maximize the Minimum Powered CityVideo
Solution61.8%Hard
Array, Binary Search +4· 2 companies
2552. Count Increasing QuadrupletsVideo
Solution34.6%Hard
Array, Binary Indexed Tree +3· 2 companies
2681. Power of HeroesVideo
Solution31.4%Hard
Array, Dynamic Programming +3
2819. Minimum Relative Loss After Buying ChocolatesPremium
Solution47.4%Hard
Array, Binary Search +2
2949. Count Beautiful Substrings IIVideo
Solution27.5%Hard
Hash Table, Math +3· 1 company
2968. Apply Operations to Maximize Frequency ScoreVideo
Solution39.3%Hard
Array, Binary Search +3· 3 companies
2983. Palindrome Rearrangement QueriesVideo
Solution24.4%Hard
Hash Table, Prefix Sum +1
3017. Count the Number of Houses at a Certain Distance IIVideo
Solution23.7%Hard
Graph, Prefix Sum· 1 company
3077. Maximum Strength of K Disjoint SubarraysVideo
Solution28.2%Hard
Array, Dynamic Programming +1· 2 companies
3086. Minimum Moves to Pick K OnesVideo
Solution21.6%Hard
Array, Greedy +2· 1 company
3104. Find Longest Self-Contained SubstringVideoPremium
Solution58.6%Hard
Binary Search, Hash Table +2· 1 company
3130. Find All Possible Stable Binary Arrays IIVideo
Solution58.4%Hard
Dynamic Programming, Prefix Sum· 2 companies
3225. Maximum Score From Grid OperationsVideo
Solution63.5%Hard
Array, Dynamic Programming +2· 3 companies
3250. Find the Count of Monotonic Pairs IVideo
Solution47.6%Hard
Array, Combinatorics +3· 2 companies
3251. Find the Count of Monotonic Pairs IIVideo
Solution24.7%Hard
Array, Combinatorics +3· 1 company
3261. Count Substrings That Satisfy K-Constraint IIVideo
Solution24.1%Hard
Array, Binary Search +3
3279. Maximum Total Area Occupied by PistonsVideoPremium
Solution41.3%Hard
Array, Counting +4
3312. Sorted GCD Pair QueriesVideo
Solution58.4%Hard
Array, Binary Search +6· 1 company
3333. Find the Original Typed String IIVideo
Solution45.6%Hard
Dynamic Programming, Prefix Sum +1· 5 companies
3347. Maximum Frequency of an Element After Performing Operations IIVideo
Solution53.8%Hard
Array, Binary Search +3· 3 companies
Showing 1–50 of 77