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Top Interview Problems Asked in 2024 (Company Wise)

Last Updated : 26 May, 2025
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In this post, we present a list of the latest asked data structures and algorithms (DSA) coding questions to help you prepare for interviews at leading tech companies like Meta, Google, Amazon, Apple, Microsoft, etc. This list helps you to cover an extensive variety of DSA Coding questions.

Walmart

  1. Move All Zeroes to End
  2. Valid Expression
  3. Find the number of islands
  4. Top View of Binary Tree
  5. Is Valid Sudoku
  6. Nodes at given distance in binary tree

Atlassian

  1. Root to leaf path sum
  2. Minimum Platforms
  3. Minimum Window Substring
  4. Smallest window containing all characters

Samsung

  1. Left View of Binary Tree
  2. Faulty Keyboard
  3. Kth element in Matrix
  4. Bipartite Graph
  5. Word Ladder I
  6. Solve the Sudoku

Zoho

  1. Stock Buy and Sell – Max one Transaction Allowed
  2. Union of Arrays with Duplicates
  3. Spirally traversing a matrix
  4. Overlapping Intervals
  5. Coin Change (Count Ways)

Flipkart

  1. Anagram
  2. Maximum Product Subarray
  3. Search in Rotated Sorted Array
  4. House Robber
  5. Rotten Oranges
  6. Trapping Rain Water
  7. Matrix Chain Multiplication

Adobe

  1. Delete in a Singly Linked List
  2. Next Permutation
  3. Kth Largest in a Stream
  4. Cycle in a Directed Graph
  5. Print Anagrams Together
  6. Ways to Reach the n'th Stair
  7. Jump Game
  8. Reverse a Linked List in Groups

Microsoft

  1. Majority Element
  2. Level order traversal
  3. Kth from End of Linked List
  4. Tree Boundary Traversal
  5. Kth Smallest
  6. Top K Frequent in Array
  7. Permutations of a String
  8. Longest Increasing Subsequence
  9. Subarrays with sum K
  10. Alien Dictionary

Amazon

  1. Merge two strings
  2. Triplet Sum in Array
  3. Task Scheduler
  4. Allocate Minimum Pages
  5. Koko Eating Bananas
  6. Course Schedule
  7. RegEx matching
  8. Serialize and Deserialize a binary tree
  9. Word Ladder II
  10. Median of 2 Sorted Arrays of Different Sizes

Uber

  1. Roman Number to Integer
  2. Bits Counting
  3. LRU Cache
  4. Unique Paths in a Grid
  5. Combination Sum

Google

  1. Non Repeating Numbers
  2. Sum of bit differences
  3. Add Number Linked Lists
  4. Generate Parentheses
  5. String rp or pr
  6. Group Shifted String
  7. Replace O's with X's
  8. Paint N House
  9. Split Array Largest Sum
  10. Flood fill Algorithm

Morgan Stanley

  1. Queue using two Stacks
  2. Longest substring with distinct characters
  3. Activity Selection
  4. Find median in a stream
  5. Huffman Encoding

Oracle

  1. Parenthesis Checker
  2. Search in a Row-Column sorted matrix
  3. Merge K sorted linked lists
  4. Finding Profession
  5. Redundant Parenthesis

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Top Interview Problems Asked in 2024 (Topic Wise)



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