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
106 Apply Discount Every n Orders Medium
ArrayHash TableDesign
107 Apply Discount to Prices Medium
String
108 Apply Operations on Array to Maximize Sum of Squares Hard
ArrayHash TableGreedy
109 Apply Operations to an Array Easy
ArrayTwo PointersSimulation
110 Apply Operations to Make All Array Elements Equal to Zero Medium
ArrayPrefix Sum
111 Apply Operations to Make String Empty Medium
ArrayHash TableSorting
112 Apply Operations to Make Sum of Array Greater Than or Equal to k Medium
MathGreedyEnumeration
113 Apply Operations to Make Two Strings Equal Medium
StringDynamic Programming
114 Apply Operations to Maximize Frequency Score Hard
ArrayBinary SearchSliding Window
115 Apply Operations to Maximize Score Hard
ArrayMathStack
116 Apply Substitutions Medium
ArrayHash TableString
117 Apply Transform Over Each Element in Array Easy
JavaScript
118 Arithmetic Slices Medium
ArrayDynamic ProgrammingSliding Window
119 Arithmetic Slices II - Subsequence Hard
ArrayDynamic Programming
120 Arithmetic Subarrays Medium
ArrayHash TableSorting
Showing 106-120 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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