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155 problems

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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 · 155 results

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TitleSolutionAcceptDifficultyTopics

3015. Count the Number of Houses at a Certain Distance IVideo

Solution58.2%Medium

Breadth-First Search, Graph +1· 1 company

3026. Maximum Good Subarray SumVideo

Solution22.7%Medium

Array, Hash Table +1· 5 companies

3070. Count Submatrices with Top-Left Element and Sum Less Than kVideo

Solution74.8%Medium

Array, Matrix +1· 2 companies

3096. Minimum Levels to Gain More PointsVideo

Solution40.4%Medium

Array, Prefix Sum· 1 company

3129. Find All Possible Stable Binary Arrays IVideo

Solution53.8%Medium

Dynamic Programming, Prefix Sum· 3 companies

3147. Taking Maximum Energy From the Mystic DungeonVideo

Solution61.0%Medium

Array, Prefix Sum· 5 companies

3152. Special Array IIVideo

Solution45.8%Medium

Array, Binary Search +1· 4 companies

3179. Find the N-th Value After K SecondsVideo

Solution54.0%Medium

Array, Combinatorics +3· 1 company

3191. Minimum Operations to Make Binary Array Elements Equal to One IVideo

Solution80.4%Medium

Array, Bit Manipulation +3· 6 companies

3212. Count Submatrices With Equal Frequency of X and YVideo

Solution69.5%Medium

Array, Matrix +1· 2 companies

3224. Minimum Array Changes to Make Differences EqualVideo

Solution24.9%Medium

Array, Hash Table +1· 2 companies

3346. Maximum Frequency of an Element After Performing Operations IVideo

Solution40.1%Medium

Array, Binary Search +3· 4 companies

3355. Zero Array Transformation IVideo

Solution54.5%Medium

Array, Prefix Sum· 5 companies

3356. Zero Array Transformation IIVideo

Solution43.6%Medium

Array, Binary Search +1· 5 companies

3361. Shift Distance Between Two StringsVideo

Solution52.8%Medium

Array, Prefix Sum +1· 1 company

3362. Zero Array Transformation IIIVideo

Solution54.9%Medium

Array, Greedy +3· 5 companies

3381. Maximum Subarray Sum With Length Divisible by KVideo

Solution49.6%Medium

Array, Hash Table +1· 4 companies

3413. Maximum Coins From K Consecutive BagsVideo

–28.5%Medium

Array, Binary Search +4· 2 companies

3434. Maximum Frequency After Subarray OperationVideo

–31.6%Medium

Array, Dynamic Programming +4· 4 companies

3473. Sum of K Subarrays With Length at Least MVideo

–26.0%Medium

Array, Dynamic Programming +1

3494. Find the Minimum Amount of Time to Brew PotionsVideo

Solution62.7%Medium

Array, Prefix Sum +1· 6 companies

3511. Make a Positive ArrayPremium

Solution36.9%Medium

Array, Greedy +1· 1 company

3540. Minimum Time to Visit All HousesVideoPremium

–69.9%Medium

Array, Prefix Sum· 1 company

3546. Equal Sum Grid Partition IVideo

Solution52.9%Medium

Array, Enumeration +2· 4 companies

3578. Count Partitions With Max-Min Difference at Most KVideo

Solution58.2%Medium

Array, Dynamic Programming +4· 4 companies

3599. Partition Array to Minimize XORVideo

Solution41.2%Medium

Array, Bit Manipulation +2· 1 company

3628. Maximum Number of Subsequences After One InsertingVideo

Solution32.4%Medium

Dynamic Programming, Greedy +2· 1 company

3652. Best Time to Buy and Sell Stock using StrategyVideo

Solution59.8%Medium

Array, Prefix Sum +1· 5 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

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

3709. Design Exam Scores TrackerVideo

Solution44.0%Medium

Array, Binary Search +2· 1 company

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

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

3755. Find Maximum Balanced XOR Subarray LengthVideo

Solution50.8%Medium

Array, Bit Manipulation +2

3756. Concatenate Non-Zero Digits and Multiply by Sum IIVideo

Solution42.7%Medium

Math, Prefix Sum +1· 3 companies

3771. Total Score of Dungeon RunsVideo

–30.6%Medium

Array, Binary Search +1

3788. Maximum Score of a SplitVideo

Solution51.6%Medium

Array, Prefix Sum

3862. Find the Smallest Balanced IndexVideo

Solution19.2%Medium

Array, Prefix Sum· 2 companies

3891. Minimum Increase to Maximize Special IndicesVideo

Solution19.8%Medium

Array, Dynamic Programming +2· 1 company

3900. Longest Balanced Substring After One SwapVideo

Solution14.2%Medium

Hash Table, Prefix Sum +1· 1 company

3919. Minimum Cost to Move Between IndicesVideo

Solution49.4%Medium

Array, Greedy +1

3933. Largest Local Values in a Matrix IIVideo

–18.5%Medium

Array, Matrix +1

3938. Maximum Path Intersection Sum in a GridVideo

–25.6%Medium

Array, Dynamic Programming +2

3964. Minimum Lights to Illuminate a RoadVideo

Solution37.8%Medium

Array, Prefix Sum

3969. Valid Subarrays With Matching Sum Digits IVideo

Solution46.8%Medium

Array, Enumeration +3· 1 company

4008. Minimum Initial Strength to Defeat All MonstersVideo

Solution50.1%Medium

Array, Binary Search +2

Showing 101–150 of 155