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
2445 Number of Nodes With Value One Medium
ArrayTreeDepth-First Search
2446 Determine if Two Events Have Conflict Easy
ArrayString
2447 Number of Subarrays With GCD Equal to K Medium
ArrayMathNumber Theory
2448 Minimum Cost to Make Array Equal Hard
ArrayBinary SearchGreedy
2449 Minimum Number of Operations to Make Arrays Similar Hard
ArrayGreedySorting
2450 Number of Distinct Binary Strings After Applying Operations Medium
MathString
2451 Odd String Difference Easy
ArrayHash TableString
2452 Words Within Two Edits of Dictionary Medium
ArrayStringTrie
2453 Destroy Sequential Targets Medium
ArrayHash TableCounting
2453 Most Popular Video Creator Medium
ArrayHash TableString
2454 Next Greater Element IV Hard
ArrayBinary SearchStack
2455 Average Value of Even Numbers That Are Divisible by Three Easy
ArrayMath
2457 Minimum Addition to Make Integer Beautiful Medium
MathGreedy
2458 Height of Binary Tree After Subtree Removal Queries Hard
ArrayTreeDepth-First Search
2459 Sort Array by Moving Items to Empty Space Hard
ArrayGreedySorting
Showing 2446-2460 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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