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
1996 Maximum Score of a Good Subarray Hard
ArrayTwo PointersBinary Search
1997 Maximum Score of a Node Sequence Hard
ArrayGraphSorting
1998 Maximum Score of Non-overlapping Intervals Hard
ArrayBinary SearchDynamic Programming
1999 Maximum Score Of Spliced Array Hard
ArrayDynamic Programming
2000 Maximum Score Words Formed by Letters Hard
ArrayHash TableString
2001 Maximum Segment Sum After Removals Hard
ArrayUnion FindPrefix Sum
2002 Maximum Side Length of a Square with Sum Less than or Equal to Threshold Medium
ArrayBinary SearchMatrix
2003 Maximum Size of a Set After Removals Medium
ArrayHash TableGreedy
2004 Maximum Size Subarray Sum Equals k Medium
ArrayHash TablePrefix Sum
2005 Maximum Sized Array Medium
Binary SearchBit Manipulation
2006 Maximum Spending After Buying Items Hard
ArrayGreedySorting
2007 Maximum Split of Positive Even Integers Medium
MathBacktrackingGreedy
2008 Maximum Square Area by Removing Fences From a Field Medium
ArrayHash TableEnumeration
2009 Maximum Star Sum of a Graph Medium
ArrayGreedyGraph
2010 Maximum Strength of a Group Medium
ArrayDynamic ProgrammingBacktracking
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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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