Master DSA Topics - January, 2026

Practice problems across 75+ categories

All Coding Problems

Practice coding problems across all companies and topics 3600 problems | 879 Easy | 1856 Medium | 842 Hard

# Problem Difficulty Topics
1876 Maximum Genetic Difference Query Hard
ArrayHash TableBit Manipulation
1877 Maximum Good People Based on Statements Hard
ArrayBacktrackingBit Manipulation
1878 Maximum Good Subarray Sum Medium
ArrayHash TablePrefix Sum
1879 Maximum Good Subtree Score Hard
ArrayDynamic ProgrammingBit Manipulation
1880 Maximum Hamming Distances Hard
ArrayBit ManipulationBreadth-First Search
1881 Maximum Height by Stacking Cuboids Hard
ArrayDynamic ProgrammingSorting
1882 Maximum Height of a Triangle Easy
ArrayEnumeration
1883 Maximum Ice Cream Bars Medium
ArrayGreedySorting
1884 Maximum Increasing Triplet Value Medium
ArrayOrdered Set
1885 Maximum Length of a Concatenated String with Unique Characters Medium
ArrayStringBacktracking
1886 Maximum Length of Pair Chain Medium
ArrayDynamic ProgrammingGreedy
1887 Maximum Length of Repeated Subarray Medium
ArrayBinary SearchDynamic Programming
1888 Maximum Length of Semi-Decreasing Subarrays Medium
ArrayStackSorting
1889 Maximum Length of Subarray With Positive Product Medium
ArrayDynamic ProgrammingGreedy
1890 Maximum Length Substring With Two Occurrences Easy
Hash TableStringSliding Window
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public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

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