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
1230 Toss Strange Coins Medium
ArrayMathDynamic Programming
1231 Divide Chocolate Hard
ArrayBinary Search
1232 Check If It Is a Straight Line Easy
ArrayMathGeometry
1232 Maximum Profit in Job Scheduling Hard
ArrayBinary SearchDynamic Programming
1233 Remove Sub-Folders from the Filesystem Medium
ArrayStringDepth-First Search
1234 Replace the Substring for Balanced String Medium
StringSliding Window
1236 Web Crawler Medium
StringDepth-First SearchBreadth-First Search
1237 Find Positive Integer Solution for a Given Equation Medium
MathTwo PointersBinary Search
1238 Circular Permutation in Binary Representation Medium
MathBacktrackingBit Manipulation
1239 Maximum Length of a Concatenated String with Unique Characters Medium
ArrayStringBacktracking
1240 Tiling a Rectangle with the Fewest Squares Hard
Backtracking
1241 Number of Comments per Post Easy
Database
1242 Web Crawler Multithreaded Medium
Depth-First SearchBreadth-First SearchConcurrency
1243 Array Transformation Easy
ArraySimulation
1244 Design A Leaderboard Medium
Hash TableDesignSorting
Showing 1231-1245 of 3602
1 ... 81 82 83 84 85 ... 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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