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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
1402. Reducing DishesVideo
Solution76.8%Hard
Array, Dynamic Programming +2· 3 companies
1406. Stone Game IIIVideo
Solution68.0%Hard
Array, Dynamic Programming +2· 2 companies
1425. Constrained Subsequence SumVideo
Solution56.5%Hard
Array, Dynamic Programming +4· 2 companies
1434. Number of Ways to Wear Different Hats to Each OtherVideo
Solution47.0%Hard
Array, Bit Manipulation +2· 3 companies
1439. Find the Kth Smallest Sum of a Matrix With Sorted RowsVideo
Solution62.6%Hard
Array, Binary Search +2· 2 companies
1444. Number of Ways of Cutting a PizzaVideo
Solution61.8%Hard
Array, Dynamic Programming +2· 1 company
1449. Form Largest Integer With Digits That Add up to TargetVideo
Solution50.2%Hard
Array, Dynamic Programming· 1 company
1453. Maximum Number of Darts Inside of a Circular DartboardVideo
Solution41.8%Hard
Array, Geometry +1· 1 company
1458. Max Dot Product of Two SubsequencesVideo
Solution69.4%Hard
Array, Dynamic Programming· 5 companies
1463. Cherry Pickup IIVideo
Solution72.4%Hard
Array, Dynamic Programming +1· 7 companies
1467. Probability of a Two Boxes Having The Same Number of Distinct BallsVideo
Solution61.7%Hard
Array, Backtracking +4
1473. Paint House IIIVideo
Solution60.9%Hard
Array, Dynamic Programming· 3 companies
1478. Allocate MailboxesVideo
Solution57.1%Hard
Array, Dynamic Programming +2· 4 companies
1499. Max Value of EquationVideo
Solution45.0%Hard
Array, Heap (Priority Queue) +3· 1 company
1515. Best Position for a Service CentreVideo
Solution35.8%Hard
Array, Geometry +2· 1 company
1521. Find a Value of a Mysterious Function Closest to TargetVideo
Solution48.3%Hard
Array, Binary Search +2· 1 company
1526. Minimum Number of Increments on Subarrays to Form a Target ArrayVideo
Solution78.2%Hard
Array, Dynamic Programming +3· 7 companies
1537. Get the Maximum ScoreVideo
Solution41.5%Hard
Array, Dynamic Programming +2· 5 companies
1547. Minimum Cost to Cut a StickVideo
Solution63.5%Hard
Array, Dynamic Programming +1· 8 companies
1563. Stone Game VVideo
Solution58.8%Hard
Array, Dynamic Programming +2· 1 company
1568. Minimum Number of Days to Disconnect IslandVideo
Solution58.8%Hard
Array, Breadth-First Search +3· 4 companies
1569. Number of Ways to Reorder Array to Get Same BSTVideo
Solution65.8%Hard
Array, Binary Search Tree +8· 2 companies
1575. Count All Possible RoutesVideo
Solution65.1%Hard
Array, Dynamic Programming +1
1591. Strange Printer IIVideo
Solution61.4%Hard
Array, Graph +2· 1 company
1595. Minimum Cost to Connect Two Groups of PointsVideo
Solution50.9%Hard
Array, Bit Manipulation +3· 1 company
1601. Maximum Number of Achievable Transfer RequestsVideo
Solution64.5%Hard
Array, Backtracking +2· 1 company
1606. Find Servers That Handled Most Number of RequestsVideo
Solution45.9%Hard
Array, Greedy +2· 6 companies
1610. Maximum Number of Visible PointsVideo
Solution38.1%Hard
Array, Geometry +3· 6 companies
1627. Graph Connectivity With ThresholdVideo
Solution49.9%Hard
Array, Math +2· 1 company
1632. Rank Transform of a MatrixVideo
Solution42.7%Hard
Array, Graph +4· 3 companies
1639. Number of Ways to Form a Target String Given a DictionaryVideo
Solution56.6%Hard
Array, Dynamic Programming +1· 9 companies
1643. Kth Smallest InstructionsVideo
Solution44.7%Hard
Array, Combinatorics +2· 1 company
1649. Create Sorted Array through InstructionsVideo
Solution42.7%Hard
Array, Binary Indexed Tree +5· 2 companies
1655. Distribute Repeating IntegersVideo
Solution41.1%Hard
Array, Backtracking +3· 1 company
1665. Minimum Initial Energy to Finish TasksVideo
Solution76.5%Hard
Array, Greedy +1· 5 companies
1671. Minimum Number of Removals to Make Mountain ArrayVideo
Solution55.0%Hard
Array, Binary Search +2· 6 companies
1675. Minimize Deviation in ArrayVideo
Solution54.0%Hard
Array, Greedy +2· 1 company
1681. Minimum IncompatibilityVideo
Solution41.8%Hard
Array, Bit Manipulation +2· 1 company
1687. Delivering Boxes from Storage to PortsVideo
Solution40.1%Hard
Array, Dynamic Programming +5· 1 company
1691. Maximum Height by Stacking Cuboids Video
Solution62.4%Hard
Array, Dynamic Programming +1· 4 companies
1697. Checking Existence of Edge Length Limited PathsVideo
Solution63.8%Hard
Array, Graph +3· 3 companies
1703. Minimum Adjacent Swaps for K Consecutive OnesVideo
Solution42.8%Hard
Array, Greedy +2· 4 companies
1707. Maximum XOR With an Element From ArrayVideo
Solution59.6%Hard
Array, Bit Manipulation +1· 1 company
1713. Minimum Operations to Make a SubsequenceVideo
Solution50.3%Hard
Array, Binary Search +2· 2 companies
1714. Sum Of Special Evenly-Spaced Elements In ArrayVideoPremium
Solution49.9%Hard
Array, Dynamic Programming· 1 company
1723. Find Minimum Time to Finish All JobsVideo
Solution46.7%Hard
Array, Backtracking +3· 5 companies
1728. Cat and Mouse IIVideo
Solution40.4%Hard
Array, Dynamic Programming +6· 1 company
1735. Count Ways to Make Array With ProductVideo
Solution55.8%Hard
Array, Combinatorics +3· 1 company
1751. Maximum Number of Events That Can Be Attended IIVideo
Solution63.6%Hard
Array, Binary Search +2· 8 companies
1755. Closest Subsequence SumVideo
Solution45.3%Hard
Array, Bit Manipulation +3· 3 companies
Showing 151–200 of 578