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
421 Convert Binary Search Tree to Sorted Doubly Linked List Medium
Linked ListStackTree
422 Convert BST to Greater Tree Medium
TreeDepth-First SearchBinary Search Tree
423 Convert Callback Based Function to Promise Based Function Medium
JavaScript
424 Convert Date Format Easy
Database
425 Convert Date to Binary Easy
MathString
426 Convert Doubly Linked List to Array I Easy
ArrayLinked ListDoubly-Linked List
427 Convert Doubly Linked List to Array II Medium
ArrayLinked ListDoubly-Linked List
428 Convert Integer to the Sum of Two No-Zero Integers Easy
Math
429 Convert JSON String to Object Hard
JavaScript
430 Convert Object to JSON String Medium
JavaScript
431 Convert Sorted Array to Binary Search Tree Easy
ArrayDivide and ConquerTree
432 Convert the Temperature Easy
Math
433 Convert to Base -2 Unknown
Math
434 Convex Polygon Medium
ArrayMathGeometry
435 Coordinate With Maximum Network Quality Medium
ArrayEnumeration
Showing 421-435 of 3399
1 ... 27 28 29 30 31 ... 227

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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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