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
3210 Find the Encrypted String Easy
String
3211 Generate Binary Strings Without Adjacent Zeros Medium
StringBacktrackingBit Manipulation
3212 Count Submatrices With Equal Frequency of X and Y Medium
ArrayMatrixPrefix Sum
3213 Construct String with Minimum Cost Hard
ArrayStringDynamic Programming
3214 Year on Year Growth Rate Hard
Database
3215 Count Triplets with Even XOR Set Bits II Medium
ArrayBit Manipulation
3216 Lexicographically Smallest String After a Swap Easy
StringGreedy
3217 Delete Nodes From Linked List Present in Array Medium
ArrayHash TableLinked List
3218 Minimum Cost for Cutting Cake I Medium
ArrayTwo PointersDynamic Programming
3219 Minimum Cost for Cutting Cake II Hard
ArrayGreedySorting
3220 Odd and Even Transactions Medium
Database
3221 Maximum Array Hopping Score II Medium
ArrayStackGreedy
3222 Find the Winning Player in Coin Game Easy
MathSimulationGame Theory
3223 Minimum Length of String After Operations Medium
Hash TableStringCounting
3224 Minimum Array Changes to Make Differences Equal Medium
ArrayHash TablePrefix Sum
Showing 3211-3225 of 3602
1 ... 213 214 215 216 217 ... 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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