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
316 Check If Two String Arrays are Equivalent Easy
ArrayString
317 Check if Word Can Be Placed In Crossword Medium
ArrayMatrixEnumeration
318 Check if Word Equals Summation of Two Words Easy
String
319 Check If Word Is Valid After Substitutions Medium
StringStack
320 Check Knight Tour Configuration Medium
ArrayDepth-First SearchBreadth-First Search
321 Check Whether Two Strings are Almost Equivalent Easy
Hash TableStringCounting
322 Checking Existence of Edge Length Limited Paths Hard
ArrayTwo PointersUnion Find
323 Checking Existence of Edge Length Limited Paths II Hard
Union FindGraphMinimum Spanning Tree
324 Cherry Pickup Hard
ArrayDynamic ProgrammingMatrix
325 Cherry Pickup II Hard
ArrayDynamic ProgrammingMatrix
326 Choose Edges to Maximize Score in a Tree Medium
Dynamic ProgrammingTreeDepth-First Search
327 Choose K Elements With Maximum Sum Medium
ArraySortingHeap (Priority Queue)
328 Choose Numbers From Two Arrays in Range Hard
ArrayDynamic Programming
329 Chunk Array Easy
JavaScript
330 Cinema Seat Allocation Medium
ArrayHash TableGreedy
Showing 316-330 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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