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
3571 Visit Array Positions to Maximize Score Medium
ArrayDynamic Programming
3572 Vowel Spellchecker Medium
ArrayHash TableString
3573 Vowels Game in a String Medium
MathStringBrainteaser
3574 Vowels of All Substrings Medium
MathStringDynamic Programming
3575 Walking Robot Simulation Medium
ArrayHash TableSimulation
3576 Walking Robot Simulation II Medium
DesignSimulation
3577 Walls and Gates Medium
ArrayBreadth-First SearchMatrix
3578 Warehouse Manager Easy
Database
3579 Water and Jug Problem Medium
MathDepth-First SearchBreadth-First Search
3580 Water Bottles Easy
MathSimulation
3581 Water Bottles II Medium
MathSimulation
3582 Watering Plants Medium
ArraySimulation
3583 Watering Plants II Medium
ArrayTwo PointersSimulation
3584 Ways to Express an Integer as Sum of Powers Medium
Dynamic Programming
3585 Ways to Make a Fair Array Medium
ArrayPrefix Sum
Showing 3571-3585 of 3600
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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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