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
1471 Length of Longest V-Shaped Diagonal Segment Hard
ArrayDynamic ProgrammingMemoization
1472 Length of the Longest Alphabetical Continuous Substring Medium
String
1473 Length of the Longest Increasing Path Hard
ArrayBinary SearchSorting
1474 Length of the Longest Subsequence That Sums to Target Medium
ArrayDynamic Programming
1475 Length of the Longest Valid Substring Hard
ArrayHash TableString
1476 Letter Combinations of a Phone Number Medium
Hash TableStringBacktracking
1477 Letter Tile Possibilities Medium
Hash TableStringBacktracking
1478 Lexicographical Numbers Medium
Depth-First SearchTrie
1479 Lexicographically Minimum String After Removing Stars Medium
Hash TableStringStack
1480 Lexicographically Smallest Beautiful String Hard
StringGreedy
1481 Lexicographically Smallest Equivalent String Medium
StringUnion Find
1482 Lexicographically Smallest Generated String Hard
StringGreedyString Matching
1483 Lexicographically Smallest Palindrome Easy
Two PointersStringGreedy
1484 Lexicographically Smallest String After a Swap Easy
StringGreedy
1485 Lexicographically Smallest String After Adjacent Removals Hard
StringDynamic Programming
Showing 1471-1485 of 3399
1 ... 97 98 99 100 101 ... 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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