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Problems

797 problems

Has videoPremium onlyReset
Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

797 results

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TitleSolutionAcceptDifficultyTopics
3591. Check if Any Element Has Prime FrequencyVideo
Solution62.6%Easy
Array, Counting +3
3597. Partition String Video
Solution59.4%Medium
Hash Table, Simulation +2· 1 company
3606. Coupon Code ValidatorVideo
Solution64.4%Easy
Array, Hash Table +2· 2 companies
3607. Power Grid MaintenanceVideo
Solution56.3%Medium
Array, Breadth-First Search +6· 7 companies
3623. Count Number of Trapezoids IVideo
Solution48.1%Medium
Array, Geometry +2· 3 companies
3625. Count Number of Trapezoids IIVideo
Solution40.0%Hard
Array, Geometry +2· 2 companies
3629. Minimum Jumps to Reach End via Prime TeleportationVideo
Solution44.6%Medium
Array, Breadth-First Search +3· 4 companies
3636. Threshold Majority QueriesVideo
–22.5%Hard
Array, Binary Search +4· 4 companies
3641. Longest Semi-Repeating SubarrayVideoPremium
Solution63.9%Medium
Array, Hash Table +1
3654. Minimum Sum After Divisible Sum DeletionsVideo
–45.9%Medium
Array, Dynamic Programming +2
3659. Partition Array Into K-Distinct GroupsVideo
Solution47.1%Medium
Array, Counting +1· 1 company
3662. Filter Characters by FrequencyPremium
Solution86.2%Easy
Counting, Hash Table +1· 1 company
3663. Find The Least Frequent DigitVideo
Solution68.8%Easy
Array, Counting +2· 1 company
3664. Two-Letter Card GameVideo
–13.0%Medium
Array, Counting +3· 2 companies
3668. Restore Finishing OrderVideo
Solution91.1%Easy
Array, Hash Table· 2 companies
3672. Sum of Weighted Modes in SubarraysPremium
Solution54.3%Medium
Array, Counting +3
3678. Smallest Absent Positive Greater Than AverageVideo
Solution34.2%Easy
Array, Hash Table
3679. Minimum Discards to Balance InventoryVideo
Solution35.5%Medium
Array, Counting +3
3682. Minimum Index Sum of Common ElementsPremium
Solution77.5%Medium
Array, Hash Table
3684. Maximize Sum of At Most K Distinct ElementsVideo
Solution76.8%Easy
Array, Greedy +2
3690. Split and Merge Array TransformationVideo
Solution58.7%Medium
Array, Breadth-First Search +1· 1 company
3692. Majority Frequency CharactersVideo
Solution66.3%Easy
Counting, Hash Table +1
3694. Distinct Points Reachable After Substring RemovalVideo
Solution53.9%Medium
Hash Table, Prefix Sum +2
3712. Sum of Elements With Frequency Divisible by KVideo
Solution77.7%Easy
Array, Counting +1
3713. Longest Balanced Substring IVideo
Solution69.1%Medium
Counting, Enumeration +2· 4 companies
3714. Longest Balanced Substring IIVideo
Solution42.0%Medium
Hash Table, Prefix Sum +1· 6 companies
3715. Sum of Perfect Square AncestorsVideo
–41.3%Hard
Array, Counting +5· 3 companies
3718. Smallest Missing Multiple of KVideo
Solution71.5%Easy
Array, Hash Table
3719. Longest Balanced Subarray IVideo
Solution65.6%Medium
Array, Divide and Conquer +3· 4 companies
3720. Lexicographically Smallest Permutation Greater Than TargetVideo
Solution48.2%Medium
Counting, Enumeration +3· 2 companies
3721. Longest Balanced Subarray IIVideo
Solution33.7%Hard
Array, Divide and Conquer +3· 2 companies
3728. Stable Subarrays With Equal Boundary and Interior SumVideo
Solution26.6%Medium
Array, Hash Table +1· 2 companies
3729. Count Distinct Subarrays Divisible by K in Sorted ArrayVideo
Solution27.4%Hard
Array, Hash Table +1
3731. Find Missing ElementsVideo
Solution88.6%Easy
Array, Hash Table +1· 2 companies
3737. Count Subarrays With Majority Element IVideo
Solution75.7%Medium
Array, Counting +5· 5 companies
3739. Count Subarrays With Majority Element IIVideo
Solution65.2%Hard
Array, Divide and Conquer +4· 2 companies
3740. Minimum Distance Between Three Equal Elements IVideo
Solution73.4%Easy
Array, Hash Table· 2 companies
3741. Minimum Distance Between Three Equal Elements IIVideo
Solution74.3%Medium
Array, Hash Table· 3 companies
3749. Evaluate Valid ExpressionsPremium
Solution69.2%Hard
Divide and Conquer, Hash Table +3
3755. Find Maximum Balanced XOR Subarray LengthVideo
Solution50.8%Medium
Array, Bit Manipulation +2
3760. Maximum Substrings With Distinct StartVideo
Solution90.4%Medium
Hash Table, String
3761. Minimum Absolute Distance Between Mirror PairsVideo
Solution59.1%Medium
Array, Hash Table +1· 4 companies
3773. Maximum Number of Equal Length RunsPremium
Solution82.8%Medium
Counting, Hash Table +1
3779. Minimum Number of Operations to Have Distinct ElementsVideo
Solution42.1%Medium
Array, Hash Table· 1 company
3784. Minimum Deletion Cost to Make All Characters EqualVideo
Solution55.0%Medium
Array, Enumeration +2
3785. Minimum Swaps to Avoid Forbidden ValuesVideo
–30.4%Hard
Array, Counting +2· 1 company
3790. Smallest All-Ones MultipleVideo
Solution46.8%Medium
Hash Table, Math
3795. Minimum Subarray Length With Distinct Sum At Least KVideo
Solution31.7%Medium
Array, Hash Table +1· 1 company
3803. Count Residue PrefixesVideo
Solution65.2%Easy
Hash Table, String· 2 companies
3804. Number of Centered SubarraysVideo
Solution66.5%Medium
Array, Enumeration +1
Showing 701–750 of 797