Master DSA Topics - January, 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
3151 Smallest Divisible Digit Product II Hard
MathStringBacktracking
3152 Smallest Even Multiple Easy
MathNumber Theory
3153 Smallest Good Base Hard
MathBinary Search
3154 Smallest Greater Multiple Made of Two Digits Medium
MathEnumeration
3155 Smallest Index With Digit Sum Equal to Index Easy
ArrayMath
3156 Smallest Index With Equal Value Easy
Array
3157 Smallest Integer Divisible by K Medium
Hash TableMath
3158 Smallest K-Length Subsequence With Occurrences of a Letter Hard
StringStackGreedy
3159 Smallest Missing Genetic Value in Each Subtree Hard
Dynamic ProgrammingTreeDepth-First Search
3160 Smallest Missing Integer Greater Than Sequential Prefix Sum Easy
ArrayHash TableSorting
3161 Smallest Missing Non-negative Integer After Operations Medium
ArrayHash TableMath
3162 Smallest Number in Infinite Set Medium
Hash TableDesignHeap (Priority Queue)
3163 Smallest Number With All Set Bits Easy
MathBit Manipulation
3164 Smallest Number With Given Digit Product Medium
MathGreedy
3165 Smallest Palindromic Rearrangement I Medium
StringSortingCounting Sort
Showing 3151-3165 of 3600
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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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