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Problems

2,093 problems

Has videoPremium onlyReset
Array1,196Hash Table465String434Greedy327Math327Dynamic Programming324Sorting300Depth-First Search208Binary Search187Breadth-First Search165Matrix163Tree157Prefix Sum153Two Pointers148Database135All topics

Medium · With video · 2,093 results

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TitleSolutionAcceptDifficultyTopics
2741. Special PermutationsVideo
Solution29.4%Medium
Array, Bit Manipulation +2
2743. Count Substrings Without Repeating CharacterVideoPremium
Solution75.9%Medium
Hash Table, Sliding Window +1· 1 company
2745. Construct the Longest New StringVideo
Solution53.8%Medium
Brainteaser, Dynamic Programming +2· 2 companies
2746. Decremental String ConcatenationVideo
Solution27.6%Medium
Array, Dynamic Programming +1
2747. Count Zero Request ServersVideo
Solution36.9%Medium
Array, Hash Table +2· 4 companies
2749. Minimum Operations to Make the Integer ZeroVideo
Solution58.2%Medium
Bit Manipulation, Brainteaser· 4 companies
2750. Ways to Split Array Into Good SubarraysVideo
Solution34.9%Medium
Array, Dynamic Programming +1· 1 company
2754. Bind Function to ContextVideoPremium
Solution87.0%Medium
–
2761. Prime Pairs With Target SumVideo
Solution38.4%Medium
Array, Enumeration +2
2762. Continuous SubarraysVideo
Solution58.0%Medium
Array, Heap (Priority Queue) +4· 5 companies
2764. Is Array a Preorder of Some ‌Binary TreeVideoPremium
Solution67.8%Medium
Binary Tree, Depth-First Search +2
2766. Relocate MarblesVideo
Solution50.6%Medium
Array, Hash Table +2· 1 company
2767. Partition String Into Minimum Beautiful SubstringsVideo
Solution54.0%Medium
Backtracking, Dynamic Programming +2
2768. Number of Black BlocksVideo
Solution41.5%Medium
Array, Enumeration +1· 9 companies
2770. Maximum Number of Jumps to Reach the Last IndexVideo
Solution51.2%Medium
Array, Dynamic Programming· 2 companies
2771. Longest Non-decreasing Subarray From Two ArraysVideo
Solution31.7%Medium
Array, Dynamic Programming· 6 companies
2772. Apply Operations to Make All Array Elements Equal to ZeroVideo
Solution33.5%Medium
Array, Prefix Sum· 2 companies
2773. Height of Special Binary TreeVideoPremium
Solution75.2%Medium
Binary Tree, Breadth-First Search +2
2775. Undefined to NullVideoPremium
Solution69.6%Medium
–
2776. Convert Callback Based Function to Promise Based FunctionVideoPremium
Solution92.1%Medium
–
2779. Maximum Beauty of an Array After Applying OperationVideo
Solution58.4%Medium
Array, Binary Search +2· 3 companies
2780. Minimum Index of a Valid SplitVideo
Solution75.5%Medium
Array, Hash Table +1· 3 companies
2783. Flight Occupancy and Waitlist AnalysisVideoPremium
Solution39.0%Medium
Database
2785. Sort Vowels in a StringVideo
Solution83.4%Medium
Sorting, String· 5 companies
2786. Visit Array Positions to Maximize ScoreVideo
Solution37.5%Medium
Array, Dynamic Programming
2787. Ways to Express an Integer as Sum of PowersVideo
Solution49.8%Medium
Dynamic Programming· 5 companies
2789. Largest Element in an Array after Merge OperationsVideo
Solution48.3%Medium
Array, Greedy· 2 companies
2799. Count Complete Subarrays in an ArrayVideo
Solution75.9%Medium
Array, Hash Table +1· 4 companies
2800. Shortest String That Contains Three StringsVideo
Solution32.2%Medium
Enumeration, Greedy +1· 3 companies
2802. Find The K-th Lucky NumberVideoPremium
Solution76.1%Medium
Bit Manipulation, Math +1
2807. Insert Greatest Common Divisors in Linked ListVideo
Solution91.4%Medium
Linked List, Math +1· 4 companies
2808. Minimum Seconds to Equalize a Circular ArrayVideo
Solution29.1%Medium
Array, Hash Table· 1 company
2811. Check if it is Possible to Split ArrayVideo
Solution34.5%Medium
Array, Dynamic Programming +1· 1 company
2812. Find the Safest Path in a GridVideo
Solution57.0%Medium
Array, Binary Search +3· 7 companies
2816. Double a Number Represented as a Linked ListVideo
Solution61.4%Medium
Linked List, Math +1· 3 companies
2817. Minimum Absolute Difference Between Elements With ConstraintVideo
Solution38.0%Medium
Array, Binary Search +1· 8 companies
2820. Election ResultsVideoPremium
Solution66.7%Medium
–
2823. Deep Object FilterVideoPremium
Solution54.6%Medium
–
2825. Make String a Subsequence Using Cyclic IncrementsVideo
Solution65.7%Medium
String, Two Pointers· 1 company
2826. Sorting Three GroupsVideo
Solution43.5%Medium
Array, Binary Search +1· 1 company
2829. Determine the Minimum Sum of a k-avoiding ArrayVideo
Solution59.7%Medium
Greedy, Math· 1 company
2830. Maximize the Profit as the SalesmanVideo
Solution38.7%Medium
Array, Binary Search +3· 1 company
2831. Find the Longest Equal SubarrayVideo
Solution38.4%Medium
Array, Binary Search +2· 3 companies
2832. Maximal Range That Each Element Is Maximum in ItVideoPremium
Solution75.5%Medium
Array, Monotonic Stack +1· 1 company
2834. Find the Minimum Possible Sum of a Beautiful ArrayVideo
Solution35.1%Medium
Greedy, Math· 1 company
2838. Maximum Coins Heroes Can CollectVideoPremium
Solution68.7%Medium
Array, Binary Search +3· 1 company
2840. Check if Strings Can be Made Equal With Operations IIVideo
Solution73.9%Medium
Hash Table, Sorting +1· 4 companies
2841. Maximum Sum of Almost Unique SubarrayVideo
Solution41.5%Medium
Array, Hash Table +1· 1 company
2844. Minimum Operations to Make a Special NumberVideo
Solution38.5%Medium
Enumeration, Greedy +2
2845. Count of Interesting SubarraysVideo
Solution58.0%Medium
Array, Hash Table +1· 4 companies
Showing 1,451–1,500 of 2,093