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2,093 problems

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Array1,196 Hash Table465 String434 Greedy327 Math327 Dynamic Programming324 Sorting300 Depth-First Search208 Binary Search187 Breadth-First Search165 Matrix163 Tree157 Prefix Sum153 Two Pointers148 Database135 All topics

Medium · With video · 2,093 results

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TitleSolutionAcceptDifficultyTopics

3789. Minimum Cost to Acquire Required ItemsVideo

Solution34.8%Medium

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

3796. Find Maximum Value in a Constrained SequenceVideo

–60.7%Medium

Array, Greedy· 2 companies

3799. Word Squares IIVideo

Solution53.8%Medium

Array, Backtracking +3· 1 company

3800. Minimum Cost to Make Two Binary Strings EqualVideo

Solution38.6%Medium

3804. Number of Centered SubarraysVideo

Solution66.5%Medium

Array, Enumeration +1

3805. Count Caesar Cipher PairsVideo

Solution50.7%Medium

Array, Counting +3· 1 company

3807. Minimum Cost to Repair Edges to Traverse a GraphVideoPremium

Solution55.6%Medium

Binary Search, Breadth-First Search +1

3808. Find Emotionally Consistent UsersVideo

Solution55.2%Medium

–

3809. Best Reachable TowerVideo

Solution55.7%Medium

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

3814. Maximum Capacity Within BudgetVideo

Solution20.7%Medium

Array, Binary Search +2· 2 companies

3815. Design Auction SystemVideo

Solution41.9%Medium

Design, Hash Table +2· 1 company

3817. Good Indices in a Digit StringVideoPremium

Solution85.3%Medium

3818. Minimum Prefix Removal to Make Array Strictly IncreasingVideo

Solution73.7%Medium

Array· 1 company

3819. Rotate Non Negative ElementsVideo

Solution47.9%Medium

Array, Simulation· 1 company

3820. Pythagorean Distance Nodes in a TreeVideo

Solution56.6%Medium

Breadth-First Search, Tree· 1 company

3822. Design Order Management SystemVideoPremium

Solution79.0%Medium

Design, Hash Table· 1 company

3824. Minimum K to Reduce Array Within LimitVideo

Solution41.1%Medium

Array, Binary Search· 1 company

3825. Longest Strictly Increasing Subsequence With Non-Zero Bitwise ANDVideo

Solution49.5%Medium

Array, Binary Search +2

3828. Final Element After Subarray DeletionsVideo

Solution40.9%Medium

Array, Brainteaser +2· 1 company

3829. Design Ride Sharing SystemVideo

Solution62.6%Medium

Data Stream, Design +2· 1 company

3831. Median of a Binary Search Tree LevelVideoPremium

Solution86.4%Medium

Binary Search Tree, Binary Tree +3

3834. Merge Adjacent Equal ElementsVideo

Solution42.6%Medium

Array, Simulation +1

3835. Count Subarrays With Cost Less Than or Equal to KVideo

Solution46.1%Medium

Array, Monotonic Queue +1

3839. Number of Prefix Connected GroupsVideo

Solution59.9%Medium

Array, Counting +2

3840. House Robber VVideo

Solution53.3%Medium

Array, Dynamic Programming

3843. First Element with Unique FrequencyVideo

Solution69.9%Medium

Array, Counting +1

3844. Longest Almost-Palindromic SubstringVideo

Solution22.8%Medium

Dynamic Programming, String +1

3846. Total Distance to Type a String Using One FingerVideoPremium

Solution89.9%Medium

Hash Table, String

3847. Find the Score Difference in a GameVideo

Solution71.8%Medium

Array, Simulation

3848. Check Digitorial PermutationVideo

Solution46.4%Medium

Counting, Math· 1 company

3849. Maximum Bitwise XOR After RearrangementVideo

Solution70.4%Medium

Bit Manipulation, Greedy +1

3853. Merge Close CharactersVideo

Solution53.9%Medium

Hash Table, String· 1 company

3854. Minimum Operations to Make Array Parity AlternatingVideo

Solution17.1%Medium

3857. Minimum Cost to Split into OnesVideo

Solution82.6%Medium

Dynamic Programming, Math· 1 company

3858. Minimum Bitwise OR From GridVideo

Solution27.5%Medium

Array, Bit Manipulation +2· 1 company

3862. Find the Smallest Balanced IndexVideo

Solution19.2%Medium

Array, Prefix Sum· 2 companies

3863. Minimum Operations to Sort a StringVideo

Solution39.0%Medium

String· 1 company

3867. Sum of GCD of Formed PairsVideo

Solution75.1%Medium

Array, Math +3· 1 company

3868. Minimum Cost to Equalize Arrays Using SwapsVideo

Solution48.7%Medium

Array, Counting +2· 2 companies

3871. Count Commas in Range IIVideo

Solution49.3%Medium

3872. Longest Arithmetic Sequence After Changing At Most One ElementVideo

Solution21.4%Medium

Array, Enumeration· 1 company

3876. Construct Uniform Parity Array IIVideo

Solution66.3%Medium

Array, Math· 1 company

3877. Minimum Removals to Achieve Target XORVideo

Solution41.2%Medium

Array, Bit Manipulation +1

3881. Direction Assignments with Exactly K Visible PeopleVideo

Solution35.7%Medium

Combinatorics, Math

3882. Minimum XOR Path in a GridVideo

–39.5%Medium

Array, Bit Manipulation +2· 1 company

3885. Design Event ManagerVideo

Solution50.3%Medium

Array, Design +3· 1 company

Showing 1,951–2,000 of 2,093