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Problems

985 problems

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

Hard · 985 results

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TitleSolutionAcceptDifficultyTopics
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
2313. Minimum Flips in Binary Tree to Get ResultVideoPremium
Solution56.9%Hard
Binary Tree, Depth-First Search +2· 1 company
2318. Number of Distinct Roll SequencesVideo
Solution58.2%Hard
Dynamic Programming, Memoization· 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
2338. Count the Number of Ideal ArraysVideo
Solution57.0%Hard
Combinatorics, Dynamic Programming +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
2360. Longest Cycle in a GraphVideo
Solution51.1%Hard
Depth-First Search, Graph +1· 7 companies
2361. Minimum Costs Using the Train LineVideoPremium
Solution78.4%Hard
Array, Dynamic Programming· 1 company
2362. Generate the InvoiceVideoPremium
Solution76.4%Hard
Database
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
2376. Count Special IntegersVideo
Solution45.2%Hard
Dynamic Programming, Math· 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
2430. Maximum Deletions on a StringVideo
Solution36.4%Hard
Dynamic Programming, Hash Function +3· 1 company
2435. Paths in Matrix Whose Sum Is Divisible by KVideo
Solution58.7%Hard
Array, Dynamic Programming +1· 4 companies
2440. Create Components With Same ValueVideo
Solution54.0%Hard
Array, Depth-First Search +3· 1 company
2444. Count Subarrays With Fixed BoundsVideo
Solution69.2%Hard
Array, Monotonic Queue +2· 9 companies
2448. Minimum Cost to Make Array EqualVideo
Solution46.7%Hard
Array, Binary Search +3· 6 companies
2449. Minimum Number of Operations to Make Arrays SimilarVideo
Solution61.8%Hard
Array, Greedy +1· 2 companies
2454. Next Greater Element IVVideo
Solution43.0%Hard
Array, Binary Search +4· 1 company
2458. Height of Binary Tree After Subtree Removal QueriesVideo
Solution55.0%Hard
Array, Binary Tree +3· 3 companies
2459. Sort Array by Moving Items to Empty SpaceVideoPremium
Solution45.7%Hard
Array, Greedy +1· 1 company
2463. Minimum Total Distance TraveledVideo
Solution63.2%Hard
Array, Dynamic Programming +1· 5 companies
2468. Split Message Based on LimitVideo
Solution42.1%Hard
Binary Search, String· 5 companies
2472. Maximum Number of Non-overlapping Palindrome SubstringsVideo
Solution60.9%Hard
Dynamic Programming, Greedy +2· 5 companies
2474. Customers With Strictly Increasing PurchasesVideoPremium
Solution50.5%Hard
Database· 1 company
2478. Number of Beautiful PartitionsVideo
Solution33.5%Hard
Dynamic Programming, String· 1 company
2479. Maximum XOR of Two Non-Overlapping SubtreesPremium
Solution51.3%Hard
Depth-First Search, Graph +2· 2 companies
2484. Count Palindromic SubsequencesVideo
Solution41.7%Hard
Dynamic Programming, String· 11 companies
2488. Count Subarrays With Median KVideo
Solution49.1%Hard
Array, Hash Table +1· 3 companies
2493. Divide Nodes Into the Maximum Number of GroupsVideo
Solution67.0%Hard
Breadth-First Search, Graph +1· 6 companies
Showing 501–550 of 985