Master DSA Topics - March, 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
1861 Make the Prefix Sum Non-negative Medium
ArrayGreedyHeap (Priority Queue)
1862 Make The String Great Easy
StringStack
1863 Make the XOR of All Segments Equal to Zero Hard
ArrayDynamic ProgrammingBit Manipulation
1864 Make Three Strings Equal Easy
String
1865 Make Two Arrays Equal by Reversing Subarrays Easy
ArrayHash TableSorting
1866 Making A Large Island Hard
ArrayDepth-First SearchBreadth-First Search
1867 Making File Names Unique Medium
ArrayHash TableString
1868 Manager of the Largest Department Medium
Database
1869 Managers with at Least 5 Direct Reports Medium
Database
1870 Manhattan Distances of All Arrangements of Pieces Hard
MathCombinatorics
1871 Map of Highest Peak Medium
ArrayBreadth-First SearchMatrix
1872 Map Sum Pairs Medium
Hash TableStringDesign
1873 MapReduce Framework Hard
Distributed SystemsConcurrencyPartitioning
1874 Mark Elements on Array by Performing Queries Medium
ArrayHash TableSorting
1875 Markdown to Plain Text Medium
Advanced StringsStringParsing
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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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