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Array1,212 Hash Table473 String437 Math331 Greedy330 Dynamic Programming327 Sorting302 Depth-First Search208 Binary Search189 Breadth-First Search166 Matrix163 Tree158 Prefix Sum155 Two Pointers150 Database137 All topics

Medium · 2,133 results

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TitleSolutionAcceptDifficultyTopics

3649. Number of Perfect PairsVideo

–34.2%Medium

Array, Math +2· 6 companies

3650. Minimum Cost Path with Edge ReversalsVideo

Solution61.8%Medium

Graph, Heap (Priority Queue) +1· 8 companies

3652. Best Time to Buy and Sell Stock using StrategyVideo

Solution59.8%Medium

Array, Prefix Sum +1· 5 companies

3653. XOR After Range Multiplication Queries IVideo

Solution73.3%Medium

Array, Divide and Conquer +1· 2 companies

3654. Minimum Sum After Divisible Sum DeletionsVideo

–45.9%Medium

Array, Dynamic Programming +2

3656. Determine if a Simple Graph ExistsPremium

–47.5%Medium

Array, Binary Search +3

3657. Find Loyal CustomersVideo

Solution64.2%Medium

–

3659. Partition Array Into K-Distinct GroupsVideo

Solution47.1%Medium

Array, Counting +1· 1 company

3660. Jump Game IXVideo

Solution46.1%Medium

Array, Dynamic Programming· 4 companies

3664. Two-Letter Card GameVideo

–13.0%Medium

Array, Counting +3· 2 companies

3665. Twisted Mirror Path CountVideo

–47.5%Medium

Array, Dynamic Programming +1· 2 companies

3669. Balanced K-Factor DecompositionVideo

Solution40.2%Medium

Backtracking, Math +1· 2 companies

3670. Maximum Product of Two Integers With No Common BitsVideo

–15.1%Medium

Array, Bit Manipulation +1

3672. Sum of Weighted Modes in SubarraysPremium

Solution54.3%Medium

Array, Counting +3

3675. Minimum Operations to Transform StringVideo

Solution61.9%Medium

3676. Count Bowl SubarraysVideo

–48.7%Medium

Array, Monotonic Stack +1· 2 companies

3679. Minimum Discards to Balance InventoryVideo

Solution35.5%Medium

Array, Counting +3

3680. Generate ScheduleVideo

–25.3%Medium

Array, Greedy +1· 1 company

3682. Minimum Index Sum of Common ElementsPremium

Solution77.5%Medium

Array, Hash Table

3685. Subsequence Sum After Capping ElementsVideo

–25.2%Medium

Array, Dynamic Programming +2· 1 company

3689. Maximum Total Subarray Value IVideo

Solution71.9%Medium

Array, Greedy· 4 companies

3690. Split and Merge Array TransformationVideo

Solution58.7%Medium

Array, Breadth-First Search +1· 1 company

3693. Climbing Stairs IIVideo

Solution63.9%Medium

Array, Dynamic Programming

3694. Distinct Points Reachable After Substring RemovalVideo

Solution53.9%Medium

Hash Table, Prefix Sum +2

3698. Split Array With Minimum DifferenceVideo

Solution33.6%Medium

Array, Prefix Sum· 1 company

3702. Longest Subsequence With Non-Zero Bitwise XORVideo

Solution55.1%Medium

Array, Bit Manipulation

3703. Remove K-Balanced SubstringsVideo

Solution33.1%Medium

Simulation, Stack +1· 2 companies

3705. Find Golden Hour CustomersVideo

Solution36.5%Medium

–

3706. Maximum Distance Between Unequal Words in Array IIVideoPremium

Solution72.1%Medium

3708. Longest Fibonacci SubarrayVideo

Solution68.5%Medium

3709. Design Exam Scores TrackerVideo

Solution44.0%Medium

Array, Binary Search +2· 1 company

3711. Maximum Transactions Without Negative BalanceVideoPremium

Solution46.1%Medium

Array, Greedy +1· 1 company

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

3716. Find Churn Risk CustomersVideo

Solution49.9%Medium

–

3717. Minimum Operations to Make the Array BeautifulPremium

Solution36.9%Medium

Array, Dynamic Programming

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

3722. Lexicographically Smallest String After ReverseVideo

Solution53.9%Medium

Binary Search, Enumeration +1

3723. Maximize Sum of Squares of DigitsVideo

Solution71.2%Medium

Greedy, Math· 1 company

3724. Minimum Operations to Transform ArrayVideo

Solution39.5%Medium

3727. Maximum Alternating Sum of SquaresVideo

Solution75.7%Medium

Array, Greedy +1

3728. Stable Subarrays With Equal Boundary and Interior SumVideo

Solution26.6%Medium

Array, Hash Table +1· 2 companies

3730. Maximum Calories Burnt from JumpsVideoPremium

Solution72.8%Medium

Array, Greedy +2· 1 company

3732. Maximum Product of Three Elements After One ReplacementVideo

Solution47.8%Medium

Array, Greedy +2· 2 companies

3733. Minimum Time to Complete All DeliveriesVideo

–35.4%Medium

Binary Search, Math· 2 companies

3737. Count Subarrays With Majority Element IVideo

Solution75.7%Medium

Array, Counting +5· 5 companies

3738. Longest Non-Decreasing Subarray After Replacing at Most One ElementVideo

Solution23.5%Medium

Array, Dynamic Programming· 1 company

3741. Minimum Distance Between Three Equal Elements IIVideo

Solution74.3%Medium

Array, Hash Table· 3 companies

3742. Maximum Path Score in a GridVideo

Solution53.7%Medium

Array, Dynamic Programming +1· 2 companies

Showing 1,901–1,950 of 2,133