Grainger LeetCode Interview Questions
Practice 17 real coding problems frequently asked in Grainger technical interviews. Master these questions to ace your next Grainger software engineering interview.
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Grainger Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Diameter of Binary Tree 100% | EasyE | Solve→ |
Sum Root to Leaf Numbers 88% | MediumM | Solve→ |
Best Time to Buy and Sell Stock II 81% | MediumM | Solve→ |
Move Pieces to Obtain a String 77% | MediumM | Solve→ |
Find the Celebrity 70% | MediumM | Solve→ |
Custom Sort String 64% | MediumM | Solve→ |
Longest Increasing Path in a Matrix 63% | HardH | Solve→ |
Design an Array Statistics Tracker 62% | HardH | Solve→ |
Generate Parentheses 41% | MediumM | Solve→ |
Minimum Window Substring 40% | HardH | Solve→ |
Insert Delete GetRandom O(1) 39% | MediumM | Solve→ |
Kth Missing Positive Number 35% | EasyE | Solve→ |
Top K Frequent Elements 29% | MediumM | Solve→ |
Longest Increasing Subsequence 27% | MediumM | Solve→ |
Maximum Area Rectangle With Point Constraints I 23% | MediumM | Solve→ |
Minimum Array Sum 22% | MediumM | Solve→ |
Binary Tree Zigzag Level Order Traversal 20% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Grainger ask in interviews?
Grainger commonly asks 17 coding problems in technical interviews, including Diameter of Binary Tree, Sum Root to Leaf Numbers, Best Time to Buy and Sell Stock II. The difficulty breakdown is 2 Easy, 12 Medium, and 3 Hard problems.
How should I prepare for a Grainger coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Grainger interviews typically emphasize Array and Dynamic Programming. Practice explaining your thought process while coding.
What is the difficulty level of Grainger coding interviews?
Based on our data, Grainger interviews include 2 Easy (12%), 12 Medium (71%), and 3 Hard (18%) problems.
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