Master DSA Topics - March, 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 Difference Between Node and Ancestor Medium
TreeDepth-First SearchBinary Tree
1997 Maximum Difference by Remapping a Digit Easy
MathGreedy
1998 Maximum Difference Score in a Grid Medium
ArrayDynamic ProgrammingMatrix
1999 Maximum Distance Between a Pair of Values Medium
ArrayTwo PointersBinary Search
2000 Maximum Distance in Arrays Medium
ArrayGreedy
2001 Maximum Earnings From Taxi Medium
ArrayHash TableBinary Search
2002 Maximum Elegance of a K-Length Subsequence Hard
ArrayHash TableStack
2003 Maximum Element After Decreasing and Rearranging Medium
ArrayGreedySorting
2004 Maximum Element-Sum of a Complete Subset of Indices Hard
ArrayMathNumber Theory
2005 Maximum Employees to Be Invited to a Meeting Hard
Depth-First SearchGraphTopological Sort
2006 Maximum Enemy Forts That Can Be Captured Easy
ArrayTwo Pointers
2007 Maximum Energy Boost From Two Drinks Medium
ArrayDynamic Programming
2008 Maximum Equal Frequency Hard
ArrayHash Table
2009 Maximum Erasure Value Medium
ArrayHash TableSliding Window
2010 Maximum Flow (Ford-Fulkerson) Hard
Advanced GraphsGraphFlow Network
Showing 1996-2010 of 3911
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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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