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Problems

473 problems

Has videoPremium onlyReset
Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 473 results

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TitleSolutionAcceptDifficultyTopics
3508. Implement RouterVideo
Solution39.1%Medium
Array, Binary Search +4· 4 companies
3522. Calculate Score After Performing InstructionsVideo
Solution57.0%Medium
Array, Hash Table +2· 1 company
3527. Find the Most Common ResponseVideo
Solution74.0%Medium
Array, Counting +2· 1 company
3531. Count Covered BuildingsVideo
Solution58.8%Medium
Array, Hash Table +1· 2 companies
3532. Path Existence Queries in a Graph IVideo
Solution70.6%Medium
Array, Binary Search +3· 5 companies
3542. Minimum Operations to Convert All Elements to ZeroVideo
Solution53.0%Medium
Array, Greedy +3· 4 companies
3543. Maximum Weighted K-Edge PathVideo
–20.5%Medium
Dynamic Programming, Graph +1
3551. Minimum Swaps to Sort by Digit SumVideo
Solution67.2%Medium
Array, Hash Table +1· 1 company
3552. Grid Teleportation TraversalVideo
Solution24.0%Medium
Array, Breadth-First Search +2· 3 companies
3556. Sum of Largest Prime SubstringsVideo
Solution37.9%Medium
Hash Table, Math +3· 1 company
3557. Find Maximum Number of Non Intersecting SubstringsVideo
–31.1%Medium
Dynamic Programming, Greedy +2· 1 company
3568. Minimum Moves to Clean the ClassroomVideo
Solution58.7%Medium
Array, Bit Manipulation +3· 1 company
3572. Maximize Y‑Sum by Picking a Triplet of Distinct X‑ValuesVideo
Solution62.7%Medium
Array, Greedy +3· 1 company
3583. Count Special TripletsVideo
Solution47.1%Medium
Array, Counting +1· 3 companies
3588. Find Maximum Area of a TriangleVideo
Solution29.8%Medium
Array, Enumeration +4· 2 companies
3597. Partition String Video
Solution59.4%Medium
Hash Table, Simulation +2· 1 company
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
3629. Minimum Jumps to Reach End via Prime TeleportationVideo
Solution44.6%Medium
Array, Breadth-First Search +3· 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
3664. Two-Letter Card GameVideo
–13.0%Medium
Array, Counting +3· 2 companies
3672. Sum of Weighted Modes in SubarraysPremium
Solution54.3%Medium
Array, Counting +3
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
3690. Split and Merge Array TransformationVideo
Solution58.7%Medium
Array, Breadth-First Search +1· 1 company
3694. Distinct Points Reachable After Substring RemovalVideo
Solution53.9%Medium
Hash Table, Prefix Sum +2
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
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
3728. Stable Subarrays With Equal Boundary and Interior SumVideo
Solution26.6%Medium
Array, Hash Table +1· 2 companies
3737. Count Subarrays With Majority Element IVideo
Solution75.7%Medium
Array, Counting +5· 5 companies
3741. Minimum Distance Between Three Equal Elements IIVideo
Solution74.3%Medium
Array, Hash Table· 3 companies
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
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
3804. Number of Centered SubarraysVideo
Solution66.5%Medium
Array, Enumeration +1
3805. Count Caesar Cipher PairsVideo
Solution50.7%Medium
Array, Counting +3· 1 company
3810. Minimum Operations to Reach Target ArrayVideo
Solution62.7%Medium
Array, Greedy +1
3811. Number of Alternating XOR PartitionsVideo
Solution27.3%Medium
Array, Bit Manipulation +2
3815. Design Auction SystemVideo
Solution41.9%Medium
Design, Hash Table +2· 1 company
3822. Design Order Management SystemVideoPremium
Solution79.0%Medium
Design, Hash Table· 1 company
3829. Design Ride Sharing SystemVideo
Solution62.6%Medium
Data Stream, Design +2· 1 company
Showing 401–450 of 473