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
1410 HTML Entity Parser Medium
Hash TableString
1411 Number of Ways to Paint N × 3 Grid Hard
Dynamic Programming
1412 Find the Quiet Students in All Exams Hard
Database
1413 Minimum Value to Get Positive Step by Step Sum Easy
ArrayPrefix Sum
1414 Find the Minimum Number of Fibonacci Numbers Whose Sum Is K Medium
MathGreedy
1415 The k-th Lexicographical String of All Happy Strings of Length n Medium
StringBacktracking
1416 Restore The Array Hard
StringDynamic Programming
1417 Reformat The String Easy
String
1418 Display Table of Food Orders in a Restaurant Medium
ArrayHash TableString
1419 Minimum Number of Frogs Croaking Medium
StringCounting
1420 Build Array Where You Can Find The Maximum Exactly K Comparisons Hard
Dynamic ProgrammingPrefix Sum
1421 Diagonal Traverse II Medium
ArraySortingHeap (Priority Queue)
1421 NPV Queries Easy
Database
1422 Maximum Score After Splitting a String Easy
StringPrefix Sum
1423 Maximum Points You Can Obtain from Cards Medium
ArraySliding WindowPrefix Sum
Showing 1411-1425 of 3602
1 ... 93 94 95 96 97 ... 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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