Master DSA Topics - April, 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
3676 The Most Frequently Ordered Products for Each Customer Medium
Database
3677 The Most Recent Orders for Each Product Medium
Database
3678 The Most Recent Three Orders Medium
Database
3679 The Most Similar Path in a Graph Hard
Dynamic ProgrammingGraph
3680 The Number of Beautiful Subsets Medium
ArrayHash TableMath
3681 The Number of Employees Which Report to Each Employee Easy
Database
3682 The Number of Full Rounds You Have Played Medium
MathString
3683 The Number of Good Subsets Hard
ArrayHash TableMath
3684 The Number of Passengers in Each Bus I Medium
Database
3685 The Number of Passengers in Each Bus II Hard
Database
3686 The Number of Rich Customers Easy
Database
3687 The Number of Seniors and Juniors to Join the Company Hard
Database
3688 The Number of Seniors and Juniors to Join the Company II Hard
Database
3689 The Number of the Smallest Unoccupied Chair Medium
ArrayHash TableHeap (Priority Queue)
3690 The Number of Users That Are Eligible for Discount Easy
Database
Showing 3676-3690 of 3911
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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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