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
3586 Ways to Split Array Into Good Subarrays Medium
ArrayMathDynamic Programming
3587 Ways to Split Array Into Three Subarrays Medium
ArrayTwo PointersBinary Search
3588 Weather Type in Each Country Easy
Database
3589 Web Crawler Medium
StringDepth-First SearchBreadth-First Search
3590 Web Crawler Multithreaded Medium
Depth-First SearchBreadth-First SearchConcurrency
3591 Where Will the Ball Fall Medium
ArrayMatrixSimulation
3592 Widest Pair of Indices With Equal Range Sum Medium
ArrayHash TablePrefix Sum
3593 Widest Vertical Area Between Two Points Containing No Points Easy
ArraySorting
3594 Wiggle Sort Medium
ArrayGreedySorting
3595 Wiggle Sort II Medium
ArrayDivide and ConquerGreedy
3596 Wiggle Subsequence Medium
ArrayDynamic ProgrammingGreedy
3597 Wildcard Matching Hard
StringDynamic ProgrammingGreedy
3598 Winner of the Linked List Game Easy
Linked List
3599 Winning Candidate Medium
Database
3600 Word Abbreviation Hard
ArrayStringGreedy
Showing 3586-3600 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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