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
1770 Maximum Score from Performing Multiplication Operations Hard
ArrayDynamic Programming
1771 Maximize Palindrome Length From Subsequences Hard
StringDynamic Programming
1772 Sort Features by Popularity Medium
ArrayHash TableString
1773 Count Items Matching a Rule Easy
ArrayString
1774 Closest Dessert Cost Medium
ArrayDynamic ProgrammingBacktracking
1775 Equal Sum Arrays With Minimum Number of Operations Medium
ArrayHash TableGreedy
1775 Shortest Path in a Hidden Grid Medium
ArrayDepth-First SearchBreadth-First Search
1776 Car Fleet II Hard
ArrayMathStack
1777 Product's Price for Each Store Easy
Database
1779 Find Nearest Point That Has the Same X or Y Coordinate Easy
Array
1780 Check if Number is a Sum of Powers of Three Medium
Math
1781 Sum of Beauty of All Substrings Medium
Hash TableStringCounting
1782 Count Pairs Of Nodes Hard
ArrayHash TableTwo Pointers
1783 Grand Slam Titles Medium
Database
1784 Check if Binary String Has at Most One Segment of Ones Easy
String
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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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