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
1440 Evaluate Boolean Expression Medium
Database
1441 Build an Array With Stack Operations Medium
ArrayStackSimulation
1441 Number of Ways of Cutting a Pizza Hard
ArrayDynamic ProgrammingMemoization
1442 Count Triplets That Can Form Two Arrays of Equal XOR Medium
ArrayHash TableMath
1443 Minimum Time to Collect All Apples in a Tree Medium
Hash TableTreeDepth-First Search
1445 Apples & Oranges Medium
Database
1446 Consecutive Characters Easy
String
1447 Simplified Fractions Medium
MathStringNumber Theory
1448 Count Good Nodes in Binary Tree Medium
TreeDepth-First SearchBreadth-First Search
1449 Form Largest Integer With Digits That Add up to Target Hard
ArrayDynamic Programming
1450 Number of Students Doing Homework at a Given Time Easy
Array
1451 Rearrange Words in a Sentence Medium
StringSorting
1452 People Whose List of Favorite Companies Is Not a Subset of Another List Medium
ArrayHash TableString
1453 Maximum Number of Darts Inside of a Circular Dartboard Hard
ArrayMathGeometry
1454 Active Users Medium
Database
Showing 1441-1455 of 3602
1 ... 95 96 97 98 99 ... 241

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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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