Merck LeetCode Interview Questions
Practice 26 real coding problems frequently asked in Merck technical interviews. Master these questions to ace your next Merck software engineering interview.
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Merck Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
LFU Cache 100% | HardH | Solve→ |
Lowest Common Ancestor of a Binary Search Tree 84% | MediumM | Solve→ |
Number of Islands 83% | MediumM | Solve→ |
Expression Add Operators 79% | HardH | Solve→ |
Convert Binary Search Tree to Sorted Doubly Linked List 79% | MediumM | Solve→ |
Adding Spaces to a String 77% | MediumM | Solve→ |
Missing Number 77% | EasyE | Solve→ |
Product of Array Except Self 73% | MediumM | Solve→ |
Reverse Integer 65% | MediumM | Solve→ |
Maximum Depth of Binary Tree 63% | EasyE | Solve→ |
Maximize Amount After Two Days of Conversions 63% | MediumM | Solve→ |
Minimum Area Rectangle 63% | MediumM | Solve→ |
Unique Paths II 62% | MediumM | Solve→ |
Reorganize String 60% | MediumM | Solve→ |
Find Score of an Array After Marking All Elements 54% | MediumM | Solve→ |
Palindromic Substrings 53% | MediumM | Solve→ |
Maximum Subarray 51% | MediumM | Solve→ |
Make String a Subsequence Using Cyclic Increments 51% | MediumM | Solve→ |
Range Sum of BST 49% | EasyE | Solve→ |
Sqrt(x) 49% | EasyE | Solve→ |
Find K Closest Elements 45% | MediumM | Solve→ |
Check if One String Swap Can Make Strings Equal 42% | EasyE | Solve→ |
Maximum Product Subarray 42% | MediumM | Solve→ |
Number of Islands II 41% | HardH | Solve→ |
Maximum Number of Events That Can Be Attended 36% | MediumM | Solve→ |
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Minimum Difference in Sums After Removal of Elements 24% | HardH | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Merck ask in interviews?
Merck commonly asks 26 coding problems in technical interviews, including LFU Cache, Lowest Common Ancestor of a Binary Search Tree, Number of Islands. The difficulty breakdown is 5 Easy, 17 Medium, and 4 Hard problems.
How should I prepare for a Merck coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Merck interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Merck coding interviews?
Based on our data, Merck interviews include 5 Easy (19%), 17 Medium (65%), and 4 Hard (15%) problems.
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