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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

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TitleSolutionAcceptDifficultyTopics

3234. Count the Number of Substrings With Dominant OnesVideo

Solution42.1%Medium

Enumeration, Sliding Window +1· 5 companies

3237. Alt and Tab SimulationVideoPremium

Solution54.3%Medium

Array, Hash Table +1

3239. Minimum Number of Flips to Make Binary Grid Palindromic IVideo

Solution74.3%Medium

Array, Matrix +1

3240. Minimum Number of Flips to Make Binary Grid Palindromic IIVideo

Solution25.5%Medium

Array, Matrix +1· 1 company

3243. Shortest Distance After Road Addition Queries IVideo

Solution61.9%Medium

Array, Breadth-First Search +1· 3 companies

3247. Number of Subsequences with Odd SumVideoPremium

Solution47.6%Medium

Array, Combinatorics +2

3249. Count the Number of Good NodesVideo

Solution55.0%Medium

Depth-First Search, Tree

3252. Premier League Table Ranking IIVideoPremium

Solution56.0%Medium

3253. Construct String with Minimum Cost (Easy)VideoPremium

Solution58.8%Medium

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3254. Find the Power of K-Size Subarrays IVideo

Solution62.1%Medium

Array, Sliding Window· 3 companies

3255. Find the Power of K-Size Subarrays IIVideo

Solution32.1%Medium

Array, Sliding Window

3259. Maximum Energy Boost From Two DrinksVideo

Solution50.0%Medium

Array, Dynamic Programming· 1 company

3262. Find Overlapping ShiftsVideoPremium

Solution57.5%Medium

3265. Count Almost Equal Pairs IVideo

Solution38.3%Medium

Array, Counting +3· 1 company

3271. Hash Divided StringVideo

Solution82.5%Medium

Simulation, String· 1 company

3275. K-th Nearest Obstacle QueriesVideo

Solution49.0%Medium

Array, Heap (Priority Queue)· 1 company

3278. Find Candidates for Data Scientist Position IIVideoPremium

Solution43.7%Medium

3281. Maximize Score of Numbers in RangesVideo

Solution35.6%Medium

Array, Binary Search +2· 2 companies

3282. Reach End of Array With Max ScoreVideo

Solution33.5%Medium

Array, Greedy· 2 companies

3284. Sum of Consecutive SubarraysVideoPremium

Solution43.4%Medium

Array, Dynamic Programming +1

3286. Find a Safe Walk Through a GridVideo

Solution55.4%Medium

Array, Breadth-First Search +4· 3 companies

3290. Maximum Multiplication ScoreVideo

Solution41.3%Medium

Array, Dynamic Programming

3291. Minimum Number of Valid Strings to Form Target IVideo

Solution22.4%Medium

Array, Binary Search +7· 1 company

3293. Calculate Product Final PriceVideoPremium

Solution78.4%Medium

3294. Convert Doubly Linked List to Array IIVideoPremium

Solution83.3%Medium

Array, Doubly-Linked List +1

3295. Report Spam MessageVideo

Solution48.6%Medium

Array, Hash Table +1· 2 companies

3296. Minimum Number of Seconds to Make Mountain Height ZeroVideo

Solution58.4%Medium

Array, Binary Search +3· 3 companies

3297. Count Substrings That Can Be Rearranged to Contain a String IVideo

Solution42.9%Medium

Hash Table, Sliding Window +1· 1 company

3301. Maximize the Total Height of Unique TowersVideo

Solution37.9%Medium

Array, Greedy +1

3302. Find the Lexicographically Smallest Valid SequenceVideo

Solution57.9%Medium

Dynamic Programming, Greedy +2

3305. Count of Substrings Containing Every Vowel and K Consonants IVideo

Solution41.8%Medium

Hash Table, Sliding Window +1

3306. Count of Substrings Containing Every Vowel and K Consonants IIVideo

Solution40.6%Medium

Hash Table, Sliding Window +1· 3 companies

3308. Find Top Performing DriverVideoPremium

Solution49.0%Medium

3309. Maximum Possible Number by Binary ConcatenationVideo

Solution64.9%Medium

Array, Bit Manipulation +1· 2 companies

3310. Remove Methods From ProjectVideo

Solution70.2%Medium

Breadth-First Search, Depth-First Search +1· 1 company

3315. Construct the Minimum Bitwise Array IIVideo

Solution66.5%Medium

Array, Bit Manipulation· 4 companies

3316. Find Maximum Removals From Source StringVideo

Solution39.3%Medium

Array, Dynamic Programming +3· 1 company

3319. K-th Largest Perfect Subtree Size in Binary TreeVideo

Solution61.6%Medium

Binary Tree, Depth-First Search +2· 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

3324. Find the Sequence of Strings Appeared on the ScreenVideo

Solution79.5%Medium

Simulation, String· 1 company

3325. Count Substrings With K-Frequency Characters IVideo

Solution56.3%Medium

Hash Table, Sliding Window +1· 1 company

3326. Minimum Division Operations to Make Array Non DecreasingVideo

Solution29.1%Medium

Array, Greedy +2· 2 companies

3328. Find Cities in Each State IIVideoPremium

Solution66.6%Medium

3331. Find Subtree Sizes After ChangesVideo

Solution52.8%Medium

Array, Depth-First Search +3

3332. Maximum Points Tourist Can EarnVideo

Solution47.3%Medium

Array, Dynamic Programming +1· 1 company

3334. Find the Maximum Factor Score of ArrayVideo

Solution41.0%Medium

Array, Math +1· 1 company

3335. Total Characters in String After Transformations IVideo

Solution45.7%Medium

Counting, Dynamic Programming +3· 4 companies

3338. Second Highest Salary IIVideoPremium

Solution86.4%Medium

3339. Find the Number of K-Even ArraysVideoPremium

Solution61.3%Medium

Dynamic Programming

Showing 1,701–1,750 of 2,133