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Problems

485 problems

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Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

485 results

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TitleSolutionAcceptDifficultyTopics
2600. K Items With the Maximum SumVideo
Solution60.2%Easy
Greedy, Math· 2 companies
2601. Prime Subtraction OperationVideo
Solution55.9%Medium
Array, Binary Search +3· 4 companies
2611. Mice and CheeseVideo
Solution49.2%Medium
Array, Greedy +2· 1 company
2616. Minimize the Maximum Difference of PairsVideo
Solution50.9%Medium
Array, Binary Search +1· 6 companies
2645. Minimum Additions to Make Valid StringVideo
Solution50.8%Medium
Dynamic Programming, Greedy +2· 3 companies
2656. Maximum Sum With Exactly K Elements Video
Solution79.9%Easy
Array, Greedy· 1 company
2659. Make Array EmptyVideo
Solution27.4%Hard
Array, Binary Indexed Tree +5· 2 companies
2663. Lexicographically Smallest Beautiful StringVideo
Solution37.9%Hard
Greedy, String· 2 companies
2673. Make Costs of Paths Equal in a Binary TreeVideo
Solution57.2%Medium
Array, Binary Tree +3· 1 company
2680. Maximum ORVideo
Solution43.5%Medium
Array, Bit Manipulation +2· 5 companies
2697. Lexicographically Smallest PalindromeVideo
Solution82.0%Easy
Greedy, String +1· 3 companies
2706. Buy Two ChocolatesVideo
Solution68.3%Easy
Array, Greedy +1· 2 companies
2708. Maximum Strength of a GroupVideo
Solution25.6%Medium
Array, Backtracking +5
2712. Minimum Cost to Make All Characters EqualVideo
Solution53.2%Medium
Dynamic Programming, Greedy +1· 1 company
2734. Lexicographically Smallest String After Substring OperationVideo
Solution35.2%Medium
Greedy, String· 4 companies
2745. Construct the Longest New StringVideo
Solution53.8%Medium
Brainteaser, Dynamic Programming +2· 2 companies
2789. Largest Element in an Array after Merge OperationsVideo
Solution48.3%Medium
Array, Greedy· 2 companies
2790. Maximum Number of Groups With Increasing LengthVideo
Solution23.0%Hard
Array, Binary Search +3· 1 company
2800. Shortest String That Contains Three StringsVideo
Solution32.2%Medium
Enumeration, Greedy +1· 3 companies
2811. Check if it is Possible to Split ArrayVideo
Solution34.5%Medium
Array, Dynamic Programming +1· 1 company
2813. Maximum Elegance of a K-Length SubsequenceVideo
Solution29.1%Hard
Array, Greedy +4
2818. Apply Operations to Maximize ScoreVideo
Solution53.7%Hard
Array, Greedy +4· 2 companies
2829. Determine the Minimum Sum of a k-avoiding ArrayVideo
Solution59.7%Medium
Greedy, Math· 1 company
2834. Find the Minimum Possible Sum of a Beautiful ArrayVideo
Solution35.1%Medium
Greedy, Math· 1 company
2835. Minimum Operations to Form Subsequence With Target SumVideo
Solution32.5%Hard
Array, Bit Manipulation +1· 1 company
2842. Count K-Subsequences of a String With Maximum BeautyVideo
Solution30.2%Hard
Combinatorics, Greedy +3· 1 company
2844. Minimum Operations to Make a Special NumberVideo
Solution38.5%Medium
Enumeration, Greedy +2
2847. Smallest Number With Given Digit ProductVideoPremium
Solution43.8%Medium
Greedy, Math· 1 company
2856. Minimum Array Length After Pair RemovalsVideo
Solution27.8%Medium
Array, Binary Search +4· 1 company
2864. Maximum Odd Binary NumberVideo
Solution83.0%Easy
Greedy, Math +1· 3 companies
2868. The Wording GamePremium
Solution53.6%Hard
Array, Game Theory +4
2870. Minimum Number of Operations to Make Array EmptyVideo
Solution61.9%Medium
Array, Counting +2· 2 companies
2871. Split Array Into Maximum Number of SubarraysVideo
Solution42.4%Medium
Array, Bit Manipulation +1
2892. Minimizing Array After Replacing Pairs With Their ProductVideoPremium
Solution40.6%Medium
Array, Dynamic Programming +1· 1 company
2895. Minimum Processing TimeVideo
Solution70.3%Medium
Array, Greedy +1· 4 companies
2897. Apply Operations on Array to Maximize Sum of SquaresVideo
Solution73.9%Hard
Array, Bit Manipulation +2· 1 company
2900. Longest Unequal Adjacent Groups Subsequence IVideo
Solution67.0%Easy
Array, Dynamic Programming +2· 1 company
2910. Minimum Number of Groups to Create a Valid AssignmentVideo
Solution25.0%Medium
Array, Greedy +1· 1 company
2918. Minimum Equal Sum of Two Arrays After Replacing ZerosVideo
Solution50.2%Medium
Array, Greedy· 4 companies
2931. Maximum Spending After Buying ItemsVideo
Solution60.5%Hard
Array, Greedy +3· 2 companies
2938. Separate Black and White BallsVideo
Solution64.0%Medium
Greedy, String +1· 5 companies
2939. Maximum Xor ProductVideo
Solution30.3%Medium
Bit Manipulation, Greedy +1· 4 companies
2952. Minimum Number of Coins to be AddedVideo
Solution57.9%Medium
Array, Greedy +1· 3 companies
2957. Remove Adjacent Almost-Equal CharactersVideo
Solution53.6%Medium
Dynamic Programming, Greedy +1· 1 company
2966. Divide Array Into Arrays With Max DifferenceVideo
Solution79.0%Medium
Array, Greedy +1· 6 companies
2967. Minimum Cost to Make Array EqualindromicVideo
Solution23.4%Medium
Array, Binary Search +3· 1 company
2971. Find Polygon With the Largest PerimeterVideo
Solution65.7%Medium
Array, Greedy +2· 1 company
3002. Maximum Size of a Set After RemovalsVideo
Solution46.2%Medium
Array, Greedy +1· 2 companies
3012. Minimize Length of Array Using OperationsVideo
Solution35.7%Medium
Array, Greedy +2· 4 companies
3014. Minimum Number of Pushes to Type Word IVideo
Solution77.1%Easy
Greedy, Math +1· 4 companies
Showing 301–350 of 485