Master DSA Topics - March, 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
91 Apply Discount to Prices Medium
String
92 Apply Operations on Array to Maximize Sum of Squares Hard
ArrayHash TableGreedy
93 Apply Operations to an Array Easy
ArrayTwo PointersSimulation
94 Apply Operations to Make All Array Elements Equal to Zero Medium
ArrayPrefix Sum
95 Apply Operations to Make String Empty Medium
ArrayHash TableSorting
96 Apply Operations to Make Sum of Array Greater Than or Equal to k Medium
MathGreedyEnumeration
97 Apply Operations to Make Two Strings Equal Medium
StringDynamic Programming
98 Apply Operations to Maximize Frequency Score Hard
ArrayBinary SearchSliding Window
99 Apply Operations to Maximize Score Hard
ArrayMathStack
100 Apply Substitutions Medium
ArrayHash TableString
101 Apply Transform Over Each Element in Array Easy
JavaScript
102 Archipelago Explorer Easy
GraphBFSDFS
103 Area of Shapes Easy
Variables & DatatypesVariablesMath
104 Arithmetic Slices Medium
ArrayDynamic ProgrammingSliding Window
105 Arithmetic Slices II - Subsequence Hard
ArrayDynamic Programming
Showing 91-105 of 3911
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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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