Costco Wholesale LeetCode Interview Questions
Practice 42 real coding problems frequently asked in Costco Wholesale technical interviews. Master these questions to ace your next Costco Wholesale software engineering interview.
Top Topics at Costco Wholesale
Ace your Costco Wholesale interview with AI
Get real-time AI assistance during your actual interview. Invisible to screensharing.
Costco Wholesale Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Subsets 100% | MediumM | Solve→ |
Container With Most Water 95% | MediumM | Solve→ |
Meeting Rooms II 84% | MediumM | Solve→ |
Product of Array Except Self 84% | MediumM | Solve→ |
Number of Islands II 83% | HardH | Solve→ |
Sum Root to Leaf Numbers 82% | MediumM | Solve→ |
Reorganize String 80% | MediumM | Solve→ |
Coin Change II 80% | MediumM | Solve→ |
Maximum Area Rectangle With Point Constraints I 79% | MediumM | Solve→ |
Regular Expression Matching 78% | HardH | Solve→ |
K Inverse Pairs Array 75% | HardH | Solve→ |
Maximum Size Subarray Sum Equals k 70% | MediumM | Solve→ |
Binary Tree Vertical Order Traversal 69% | MediumM | Solve→ |
Generate Parentheses 67% | MediumM | Solve→ |
Buildings With an Ocean View 67% | MediumM | Solve→ |
Maximum Sum of Distinct Subarrays With Length K 58% | MediumM | Solve→ |
Subarray Sum Equals K 57% | MediumM | Solve→ |
Shortest Path in Binary Matrix 55% | MediumM | Solve→ |
Reverse Linked List 54% | EasyE | Solve→ |
Next Permutation 52% | MediumM | Solve→ |
Lowest Common Ancestor of a Binary Tree III 51% | MediumM | Solve→ |
Recyclable and Low Fat Products 48% | EasyE | Solve→ |
Clone Graph 48% | MediumM | Solve→ |
Take Gifts From the Richest Pile 48% | EasyE | Solve→ |
Group Anagrams 46% | MediumM | Solve→ |
Pass your interview with AI assistance
Get real-time solutions during your actual coding interview. Invisible to screensharing.
Find Leaves of Binary Tree 44% | MediumM | Solve→ |
Simplify Path 42% | MediumM | Solve→ |
Design an Array Statistics Tracker 41% | HardH | Solve→ |
Subarrays with K Different Integers 39% | HardH | Solve→ |
Search in Rotated Sorted Array 36% | MediumM | Solve→ |
Flip Columns For Maximum Number of Equal Rows 35% | MediumM | Solve→ |
Rotate Image 32% | MediumM | Solve→ |
Integer to English Words 29% | HardH | Solve→ |
String Compression 29% | MediumM | Solve→ |
Valid Palindrome 29% | EasyE | Solve→ |
Zero Array Transformation III 28% | MediumM | Solve→ |
Friends Of Appropriate Ages 26% | MediumM | Solve→ |
Integer to Roman 25% | MediumM | Solve→ |
Merge k Sorted Lists 24% | HardH | Solve→ |
Design Tic-Tac-Toe 23% | MediumM | Solve→ |
Binary Tree Right Side View 22% | MediumM | Solve→ |
Minimum Area Rectangle 20% | MediumM | Solve→ |
Similar Companies
Explore interview questions from other companies with similar interview patterns.
Frequently Asked Questions
What LeetCode problems does Costco Wholesale ask in interviews?
Costco Wholesale commonly asks 42 coding problems in technical interviews, including Subsets, Container With Most Water, Meeting Rooms II. The difficulty breakdown is 4 Easy, 31 Medium, and 7 Hard problems.
How should I prepare for a Costco Wholesale coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Costco Wholesale interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Costco Wholesale coding interviews?
Based on our data, Costco Wholesale interviews include 4 Easy (10%), 31 Medium (74%), and 7 Hard (17%) problems.
Ready to ace your Costco Wholesale interview?
Join thousands of engineers who landed offers at top tech companies.
Get Started FreeNo credit card required