Master DSA Topics - April, 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
3616 Summary Ranges Easy
Array
3617 Super Egg Drop Hard
MathBinary SearchDynamic Programming
3618 Super Palindromes Hard
MathStringEnumeration
3619 Super Pow Medium
MathDivide and Conquer
3620 Super Ugly Number Medium
ArrayMathDynamic Programming
3621 Super Washing Machines Hard
ArrayGreedy
3622 Surface Area of 3D Shapes Easy
ArrayMathGeometry
3623 Surrounded Regions Medium
ArrayDepth-First SearchBreadth-First Search
3624 Suspicious Bank Accounts Medium
Database
3625 Swap Adjacent in LR String Medium
Two PointersString
3626 Swap For Longest Repeated Character Substring Medium
Hash TableStringSliding Window
3627 Swap Nodes in Pairs Medium
Linked ListRecursion
3628 Swap Sex of Employees Unknown
Database
3629 Swap Two Variables Easy
Variables & DatatypesVariablesAssignment
3630 Swapping Nodes in a Linked List Medium
Linked ListTwo Pointers
Showing 3616-3630 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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