Master DSA Topics - February, 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
3180 Maximum Total Reward Using Operations I Medium
ArrayDynamic Programming
3181 Maximum Total Reward Using Operations II Hard
ArrayDynamic ProgrammingBit Manipulation
3182 Find Top Scoring Students Medium
Database
3183 The Number of Ways to Make the Sum Medium
ArrayDynamic Programming
3184 Count Pairs That Form a Complete Day I Easy
ArrayHash TableCounting
3185 Count Pairs That Form a Complete Day II Medium
ArrayHash TableCounting
3186 Maximum Total Damage With Spell Casting Medium
ArrayHash TableTwo Pointers
3187 Peaks in Array Hard
ArrayBinary Indexed TreeSegment Tree
3188 Find Top Scoring Students II Hard
Database
3189 Minimum Moves to Get a Peaceful Board Medium
ArrayGreedySorting
3190 Count the Number of Inversions Hard
ArrayDynamic Programming
3190 Find Minimum Operations to Make All Elements Divisible by Three Easy
ArrayMath
3191 Minimum Operations to Make Binary Array Elements Equal to One I Medium
ArrayBit ManipulationQueue
3192 Minimum Operations to Make Binary Array Elements Equal to One II Medium
ArrayDynamic ProgrammingGreedy
3194 Find the Minimum Area to Cover All Ones II Hard
ArrayMatrixEnumeration
Showing 3181-3195 of 3602
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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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