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Problems

4,009 problems

Has videoPremium onlyReset
Array2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 4,009 results

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TitleSolutionAcceptDifficultyTopics
2867. Count Valid Paths in a TreeVideo
Solution36.2%Hard
Depth-First Search, Dynamic Programming +3· 1 company
2869. Minimum Operations to Collect ElementsVideo
Solution62.2%Easy
Array, Bit Manipulation +1· 1 company
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
2872. Maximum Number of K-Divisible ComponentsVideo
Solution74.1%Hard
Depth-First Search, Tree· 4 companies
2873. Maximum Value of an Ordered Triplet IVideo
Solution58.2%Easy
Array· 4 companies
2874. Maximum Value of an Ordered Triplet IIVideo
Solution56.4%Medium
Array· 5 companies
2875. Minimum Size Subarray in Infinite ArrayVideo
Solution32.1%Medium
Array, Hash Table +2· 1 company
2876. Count Visited Nodes in a Directed GraphVideo
Solution31.6%Hard
Dynamic Programming, Graph +1· 1 company
2877. Create a DataFrame from ListVideo
Solution81.3%Easy
–· 5 companies
2878. Get the Size of a DataFrameVideo
Solution85.0%Easy
–· 1 company
2879. Display the First Three RowsVideo
Solution93.0%Easy
–· 4 companies
2880. Select DataVideo
Solution79.2%Easy
–· 3 companies
2881. Create a New ColumnVideo
Solution90.1%Easy
–
2882. Drop Duplicate RowsVideo
Solution85.6%Easy
–
2883. Drop Missing DataVideo
Solution64.1%Easy
–
2884. Modify ColumnsVideo
Solution92.2%Easy
–
2885. Rename ColumnsVideo
Solution85.4%Easy
–
2886. Change Data TypeVideo
Solution87.3%Easy
–· 1 company
2887. Fill Missing DataVideo
Solution72.0%Easy
–· 3 companies
2888. Reshape Data: ConcatenateVideo
Solution90.6%Easy
–· 1 company
2889. Reshape Data: PivotVideo
Solution82.9%Easy
–· 2 companies
2890. Reshape Data: MeltVideo
Solution86.1%Easy
–· 2 companies
2891. Method ChainingVideo
Solution76.3%Easy
–
2892. Minimizing Array After Replacing Pairs With Their ProductVideoPremium
Solution40.6%Medium
Array, Dynamic Programming +1· 1 company
2893. Calculate Orders Within Each IntervalVideoPremium
Solution67.2%Medium
Database
2894. Divisible and Non-divisible Sums DifferenceVideo
Solution91.0%Easy
Math· 4 companies
2895. Minimum Processing TimeVideo
Solution70.3%Medium
Array, Greedy +1· 4 companies
2896. Apply Operations to Make Two Strings EqualVideo
Solution27.7%Medium
Dynamic Programming, String· 1 company
2897. Apply Operations on Array to Maximize Sum of SquaresVideo
Solution73.9%Hard
Array, Bit Manipulation +2· 1 company
2898. Maximum Linear Stock ScoreVideoPremium
Solution62.3%Medium
Array, Hash Table· 1 company
2899. Last Visited IntegersVideo
Solution62.2%Easy
Array, Simulation
2900. Longest Unequal Adjacent Groups Subsequence IVideo
Solution67.0%Easy
Array, Dynamic Programming +2· 1 company
2901. Longest Unequal Adjacent Groups Subsequence IIVideo
Solution51.4%Medium
Array, Dynamic Programming +1· 2 companies
2902. Count of Sub-Multisets With Bounded SumVideo
Solution22.3%Hard
Array, Dynamic Programming +2
2903. Find Indices With Index and Value Difference IVideo
Solution60.2%Easy
Array, Two Pointers· 1 company
2904. Shortest and Lexicographically Smallest Beautiful StringVideo
Solution59.8%Medium
Sliding Window, String· 2 companies
2905. Find Indices With Index and Value Difference IIVideo
Solution32.6%Medium
Array, Two Pointers· 1 company
2906. Construct Product MatrixVideo
Solution51.7%Medium
Array, Matrix +1· 4 companies
2907. Maximum Profitable Triplets With Increasing Prices IVideoPremium
Solution56.2%Medium
Array, Binary Indexed Tree +1· 1 company
2908. Minimum Sum of Mountain Triplets IVideo
Solution67.3%Easy
Array· 1 company
2909. Minimum Sum of Mountain Triplets IIVideo
Solution54.5%Medium
Array
2910. Minimum Number of Groups to Create a Valid AssignmentVideo
Solution25.0%Medium
Array, Greedy +1· 1 company
2911. Minimum Changes to Make K Semi-palindromesVideo
Solution35.3%Hard
Dynamic Programming, String +1
2913. Subarrays Distinct Element Sum of Squares IVideo
Solution87.8%Easy
Array, Hash Table· 1 company
2914. Minimum Number of Changes to Make Binary String BeautifulVideo
Solution76.4%Medium
String· 4 companies
2915. Length of the Longest Subsequence That Sums to TargetVideo
Solution40.0%Medium
Array, Dynamic Programming· 3 companies
2916. Subarrays Distinct Element Sum of Squares IIVideo
Solution54.8%Hard
Array, Binary Indexed Tree +2· 1 company
2917. Find the K-or of an ArrayVideo
Solution72.1%Easy
Array, Bit Manipulation· 1 company
2918. Minimum Equal Sum of Two Arrays After Replacing ZerosVideo
Solution50.2%Medium
Array, Greedy· 4 companies
Showing 2,851–2,900 of 4,009