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Array301 Database212 Hash Table116 String116 Depth-First Search78 Math78 Dynamic Programming76 Sorting64 Tree63 Breadth-First Search53 Greedy52 Binary Search50 Binary Tree48 Two Pointers40 Matrix39 All topics

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TitleSolutionAcceptDifficultyTopics

3198. Find Cities in Each StateVideoPremium

Solution79.4%Easy

3199. Count Triplets with Even XOR Set Bits IVideoPremium

Solution83.3%Easy

Array, Bit Manipulation· 1 company

3204. Bitwise User Permissions AnalysisVideoPremium

Solution92.5%Medium

3205. Maximum Array Hopping Score IVideoPremium

Solution77.0%Medium

Array, Dynamic Programming +3· 1 company

3214. Year on Year Growth RateVideoPremium

Solution51.7%Hard

Database· 1 company

3215. Count Triplets with Even XOR Set Bits IIVideoPremium

Solution62.0%Medium

Array, Bit Manipulation· 1 company

3221. Maximum Array Hopping Score IIVideoPremium

Solution60.1%Medium

Array, Greedy +2· 1 company

3230. Customer Purchasing Behavior AnalysisVideoPremium

Solution36.3%Medium

Database· 1 company

3231. Minimum Number of Increasing Subsequence to Be RemovedVideoPremium

Solution47.9%Hard

Array, Binary Search

3236. CEO Subordinate HierarchyVideoPremium

Solution70.5%Hard

3237. Alt and Tab SimulationVideoPremium

Solution54.3%Medium

Array, Hash Table +1

3246. Premier League Table RankingVideoPremium

Solution78.3%Easy

3247. Number of Subsequences with Odd SumVideoPremium

Solution47.6%Medium

Array, Combinatorics +2

3252. Premier League Table Ranking IIVideoPremium

Solution56.0%Medium

3253. Construct String with Minimum Cost (Easy)VideoPremium

Solution58.8%Medium

–

3262. Find Overlapping ShiftsVideoPremium

Solution57.5%Medium

3263. Convert Doubly Linked List to Array IVideoPremium

Solution95.0%Easy

Array, Doubly-Linked List +1

3268. Find Overlapping Shifts IIVideoPremium

Solution56.5%Hard

3269. Constructing Two Increasing ArraysPremium

Solution61.8%Hard

Array, Dynamic Programming

3278. Find Candidates for Data Scientist Position IIVideoPremium

Solution43.7%Medium

3279. Maximum Total Area Occupied by PistonsVideoPremium

Solution41.3%Hard

Array, Counting +4

3284. Sum of Consecutive SubarraysVideoPremium

Solution43.4%Medium

Array, Dynamic Programming +1

3293. Calculate Product Final PriceVideoPremium

Solution78.4%Medium

3294. Convert Doubly Linked List to Array IIVideoPremium

Solution83.3%Medium

Array, Doubly-Linked List +1

3299. Sum of Consecutive SubsequencesVideoPremium

Solution44.1%Hard

Array, Dynamic Programming +1

3308. Find Top Performing DriverVideoPremium

Solution49.0%Medium

3313. Find the Last Marked Nodes in TreeVideoPremium

Solution57.1%Hard

Depth-First Search, Tree· 1 company

3322. Premier League Table Ranking IIIVideoPremium

Solution70.6%Medium

3323. Minimize Connected Groups by Inserting IntervalVideoPremium

Solution50.3%Medium

Array, Binary Search +2· 1 company

3328. Find Cities in Each State IIVideoPremium

Solution66.6%Medium

3329. Count Substrings With K-Frequency Characters IIVideoPremium

Solution72.2%Hard

Hash Table, Sliding Window +1

3338. Second Highest Salary IIVideoPremium

Solution86.4%Medium

3339. Find the Number of K-Even ArraysVideoPremium

Solution61.3%Medium

Dynamic Programming

3344. Maximum Sized ArrayVideoPremium

Solution51.4%Medium

Binary Search, Bit Manipulation

3353. Minimum Total OperationsVideoPremium

Solution63.8%Easy

3358. Books with NULL RatingsVideoPremium

Solution81.8%Easy

3359. Find Sorted Submatrices With Maximum Element at Most KPremium

–52.5%Hard

Array, Matrix +2

3368. First Letter CapitalizationVideoPremium

Solution86.8%Hard

3369. Design an Array Statistics Tracker VideoPremium

Solution35.7%Hard

Binary Search, Hash Table +1· 1 company

3383. Minimum Runes to Add to Cast SpellPremium

Solution45.2%Hard

Array, Breadth-First Search +4· 1 company

3384. Team Dominance by Pass SuccessPremium

Solution72.1%Hard

–

3385. Minimum Time to Break Locks IIPremium

Solution45.7%Hard

Array, Depth-First Search +1· 1 company

3390. Longest Team Pass StreakPremium

Solution40.2%Hard

–

3391. Design a 3D Binary Matrix with Efficient Layer TrackingVideoPremium

Solution66.1%Medium

Array, Design +4· 1 company

3400. Maximum Number of Matching Indices After Right ShiftsVideoPremium

Solution85.3%Medium

Array, Simulation +1

3401. Find Circular Gift Exchange ChainsPremium

–50.7%Hard

–

3406. Find the Lexicographically Largest String From the Box IIVideoPremium

Solution48.9%Hard

String, Two Pointers

3415. Find Products with Three Consecutive Digits Premium

Solution80.0%Easy

–

3416. Subsequences with a Unique Middle Mode IIPremium

–16.3%Hard

Array, Combinatorics +2

3422. Minimum Operations to Make Subarray Elements EqualPremium

Solution46.8%Medium

Array, Hash Table +3

Showing 651–700 of 789