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
2835 Minimum Operations to Form Subsequence With Target Sum Hard
ArrayGreedyBit Manipulation
2836 Maximize Value of Function in a Ball Passing Game Hard
ArrayDynamic ProgrammingBit Manipulation
2837 Total Traveled Distance Easy
Database
2838 Maximum Coins Heroes Can Collect Medium
ArrayTwo PointersBinary Search
2839 Check if Strings Can be Made Equal With Operations I Easy
String
2840 Check if Strings Can be Made Equal With Operations II Medium
Hash TableStringSorting
2841 Maximum Sum of Almost Unique Subarray Medium
ArrayHash TableSliding Window
2842 Count K-Subsequences of a String With Maximum Beauty Hard
Hash TableMathString
2843 Count Symmetric Integers Easy
MathEnumeration
2844 Minimum Operations to Make a Special Number Medium
MathStringGreedy
2845 Count of Interesting Subarrays Medium
ArrayHash TablePrefix Sum
2846 Minimum Edge Weight Equilibrium Queries in a Tree Hard
ArrayTreeGraph
2847 Smallest Number With Given Digit Product Medium
MathGreedy
2848 Points That Intersect With Cars Easy
ArrayHash TablePrefix Sum
2849 Determine if a Cell Is Reachable at a Given Time Medium
Math
Showing 2836-2850 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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