Amazon Coding Problems

Practice Amazon's top coding challenges and algorithms

3399
Total Problems
851
Easy
1772
Medium
756
Hard
Start Practicing

Master DSA Topics - January, 2026

Practice problems across 75+ categories

Amazon Coding Problems

Practice problems frequently asked at Amazon 3399 problems | 851 Easy | 1772 Medium | 756 Hard

# Problem Difficulty Topics
76 Apple Redistribution into Boxes Easy
ArrayGreedySorting
77 Apples & Oranges Medium
Database
78 Apply Bitwise Operations to Make Strings Equal Medium
StringBit Manipulation
79 Apply Discount Every n Orders Medium
ArrayHash TableDesign
80 Apply Discount to Prices Medium
String
81 Apply Operations on Array to Maximize Sum of Squares Hard
ArrayHash TableGreedy
82 Apply Operations to an Array Easy
ArrayTwo PointersSimulation
83 Apply Operations to Make All Array Elements Equal to Zero Medium
ArrayPrefix Sum
84 Apply Operations to Make String Empty Medium
ArrayHash TableSorting
85 Apply Operations to Make Sum of Array Greater Than or Equal to k Medium
MathGreedyEnumeration
86 Apply Operations to Make Two Strings Equal Medium
StringDynamic Programming
87 Apply Operations to Maximize Frequency Score Hard
ArrayBinary SearchSliding Window
88 Apply Operations to Maximize Score Hard
ArrayMathStack
89 Apply Substitutions Medium
ArrayHash TableString
90 Apply Transform Over Each Element in Array Easy
JavaScript
Showing 76-90 of 3399
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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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