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
1305 All Elements in Two Binary Search Trees Medium
TreeDepth-First SearchBinary Search Tree
1306 Jump Game III Medium
ArrayDepth-First SearchBreadth-First Search
1307 Verbal Arithmetic Puzzle Hard
ArrayMathString
1308 Running Total for Different Genders Medium
Database
1309 Decrypt String from Alphabet to Integer Mapping Easy
String
1310 XOR Queries of a Subarray Medium
ArrayBit ManipulationPrefix Sum
1311 Get Watched Videos by Your Friends Medium
ArrayHash TableBreadth-First Search
1312 Minimum Insertion Steps to Make a String Palindrome Hard
StringDynamic Programming
1313 Decompress Run-Length Encoded List Easy
Array
1314 Matrix Block Sum Medium
ArrayMatrixPrefix Sum
1315 Sum of Nodes with Even-Valued Grandparent Medium
TreeDepth-First SearchBreadth-First Search
1316 Distinct Echo Substrings Hard
StringTrieRolling Hash
1317 Convert Integer to the Sum of Two No-Zero Integers Easy
Math
1317 Minimum Distance to Type a Word Using Two Fingers Hard
StringDynamic Programming
1318 Minimum Flips to Make a OR b Equal to c Medium
Bit Manipulation
Showing 1306-1320 of 3602
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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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