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Problems

578 problems

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Array578Dynamic Programming332String191Math187Binary Search136Hash Table134Sorting106Greedy104Bit Manipulation103Graph96Depth-First Search91Heap (Priority Queue)78Prefix Sum77Matrix75Breadth-First Search71All topics

Hard · 578 results

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TitleSolutionAcceptDifficultyTopics
2141. Maximum Running Time of N ComputersVideo
Solution56.4%Hard
Array, Binary Search +2· 6 companies
2143. Choose Numbers From Two Arrays in RangePremium
Solution51.4%Hard
Array, Dynamic Programming· 1 company
2151. Maximum Good People Based on StatementsVideo
Solution52.9%Hard
Array, Backtracking +2· 3 companies
2158. Amount of New Area Painted Each DayVideoPremium
Solution55.3%Hard
Array, Ordered Set +1· 2 companies
2163. Minimum Difference in Sums After Removal of ElementsVideo
Solution69.8%Hard
Array, Dynamic Programming +1· 7 companies
2172. Maximum AND Sum of ArrayVideo
Solution51.4%Hard
Array, Bit Manipulation +2· 1 company
2179. Count Good Triplets in an ArrayVideo
Solution65.2%Hard
Array, Binary Indexed Tree +5· 3 companies
2183. Count Array Pairs Divisible by KVideo
Solution30.7%Hard
Array, Math +1· 2 companies
2188. Minimum Time to Finish the RaceVideo
Solution43.4%Hard
Array, Dynamic Programming· 1 company
2197. Replace Non-Coprime Numbers in ArrayVideo
Solution57.7%Hard
Array, Math +2· 5 companies
2213. Longest Substring of One Repeating CharacterVideo
Solution65.8%Hard
Array, Ordered Set +2· 1 company
2218. Maximum Value of K Coins From PilesVideo
Solution60.5%Hard
Array, Dynamic Programming +1· 1 company
2227. Encrypt and Decrypt StringsVideo
Solution38.8%Hard
Array, Design +3· 3 companies
2234. Maximum Total Beauty of the GardensVideo
Solution30.4%Hard
Array, Binary Search +3· 1 company
2242. Maximum Score of a Node SequenceVideo
Solution40.5%Hard
Array, Enumeration +2· 1 company
2246. Longest Path With Different Adjacent CharactersVideo
Solution54.2%Hard
Array, Depth-First Search +4· 5 companies
2251. Number of Flowers in Full BloomVideo
Solution57.8%Hard
Array, Binary Search +4· 7 companies
2258. Escape the Spreading FireVideo
Solution39.7%Hard
Array, Binary Search +2· 4 companies
2267. Check if There Is a Valid Parentheses String PathVideo
Solution57.2%Hard
Array, Dynamic Programming +1· 1 company
2272. Substring With Largest VarianceVideo
Solution46.1%Hard
Array, Dynamic Programming· 1 company
2277. Closest Node to Path in TreeVideoPremium
–62.1%Hard
Array, Breadth-First Search +2· 1 company
2281. Sum of Total Strength of WizardsVideo
Solution29.8%Hard
Array, Monotonic Stack +2· 1 company
2290. Minimum Obstacle Removal to Reach CornerVideo
Solution71.1%Hard
Array, Breadth-First Search +4· 2 companies
2301. Match Substring After ReplacementVideo
Solution43.3%Hard
Array, Hash Table +2· 1 company
2302. Count Subarrays With Score Less Than KVideo
Solution62.3%Hard
Array, Binary Search +2· 5 companies
2306. Naming a CompanyVideo
Solution46.4%Hard
Array, Bit Manipulation +3· 1 company
2307. Check for Contradictions in EquationsVideoPremium
Solution43.8%Hard
Array, Depth-First Search +2· 2 companies
2312. Selling Pieces of WoodVideo
Solution52.8%Hard
Array, Dynamic Programming +1· 1 company
2321. Maximum Score Of Spliced ArrayVideo
Solution58.9%Hard
Array, Dynamic Programming· 1 company
2322. Minimum Score After Removals on a TreeVideo
Solution76.2%Hard
Array, Bit Manipulation +2· 4 companies
2328. Number of Increasing Paths in a GridVideo
Solution57.4%Hard
Array, Breadth-First Search +6· 2 companies
2334. Subarray With Elements Greater Than Varying ThresholdVideo
Solution45.9%Hard
Array, Monotonic Stack +2· 4 companies
2344. Minimum Deletions to Make Array DivisibleVideo
Solution61.8%Hard
Array, Heap (Priority Queue) +3· 3 companies
2350. Shortest Impossible Sequence of RollsVideo
Solution69.3%Hard
Array, Greedy +1· 2 companies
2354. Number of Excellent PairsVideo
Solution49.7%Hard
Array, Binary Search +2· 1 company
2355. Maximum Number of Books You Can TakeVideoPremium
Solution40.9%Hard
Array, Dynamic Programming +2· 1 company
2361. Minimum Costs Using the Train LineVideoPremium
Solution78.4%Hard
Array, Dynamic Programming· 1 company
2366. Minimum Replacements to Sort the ArrayVideo
Solution53.4%Hard
Array, Greedy +1· 6 companies
2371. Minimize Maximum Value in a GridVideoPremium
Solution70.1%Hard
Array, Graph +4· 1 company
2382. Maximum Segment Sum After RemovalsVideo
Solution50.1%Hard
Array, Ordered Set +2· 2 companies
2386. Find the K-Sum of an ArrayVideo
Solution42.0%Hard
Array, Heap (Priority Queue) +1· 3 companies
2392. Build a Matrix With ConditionsVideo
Solution79.5%Hard
Array, Graph +2· 1 company
2398. Maximum Number of Robots Within BudgetVideo
Solution38.8%Hard
Array, Binary Search +5· 2 companies
2402. Meeting Rooms IIIVideo
Solution51.6%Hard
Array, Hash Table +3· 12 companies
2403. Minimum Time to Kill All MonstersVideoPremium
Solution56.3%Hard
Array, Bit Manipulation +2· 1 company
2407. Longest Increasing Subsequence IIVideo
Solution26.7%Hard
Array, Binary Indexed Tree +5· 1 company
2412. Minimum Money Required Before TransactionsVideo
Solution42.1%Hard
Array, Greedy +1· 1 company
2416. Sum of Prefix Scores of StringsVideo
Solution60.6%Hard
Array, Counting +2· 3 companies
2421. Number of Good PathsVideo
Solution56.7%Hard
Array, Graph +4· 3 companies
2426. Number of Pairs Satisfying InequalityVideo
Solution48.2%Hard
Array, Binary Indexed Tree +5· 3 companies
Showing 251–300 of 578