Instacart LeetCode Interview Questions
Practice 47 real coding problems frequently asked in Instacart technical interviews. Master these questions to ace your next Instacart software engineering interview.
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Instacart Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Letter Combinations of a Phone Number 100% | MediumM | Solve→ |
Maximum Matrix Sum 95% | MediumM | Solve→ |
Flip Columns For Maximum Number of Equal Rows 93% | MediumM | Solve→ |
Maximum Depth of Binary Tree 92% | EasyE | Solve→ |
Move Zeroes 84% | EasyE | Solve→ |
Lowest Common Ancestor of a Binary Tree 81% | MediumM | Solve→ |
K-diff Pairs in an Array 75% | MediumM | Solve→ |
Subsets II 74% | MediumM | Solve→ |
Same Tree 73% | EasyE | Solve→ |
Digit Operations to Make Two Integers Equal 73% | MediumM | Solve→ |
Best Time to Buy and Sell Stock IV 72% | HardH | Solve→ |
Min Stack 70% | MediumM | Solve→ |
Merge Intervals 70% | MediumM | Solve→ |
Lowest Common Ancestor of a Binary Search Tree 69% | MediumM | Solve→ |
Check If a Word Occurs As a Prefix of Any Word in a Sentence 66% | EasyE | Solve→ |
Remove Nth Node From End of List 65% | MediumM | Solve→ |
The Earliest Moment When Everyone Become Friends 65% | MediumM | Solve→ |
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit 64% | MediumM | Solve→ |
Minimum Path Sum 63% | MediumM | Solve→ |
LRU Cache 63% | MediumM | Solve→ |
Convert Binary Search Tree to Sorted Doubly Linked List 61% | MediumM | Solve→ |
Maximum Value at a Given Index in a Bounded Array 61% | MediumM | Solve→ |
Add Two Integers 59% | EasyE | Solve→ |
Zero Array Transformation II 58% | MediumM | Solve→ |
Course Schedule 56% | MediumM | Solve→ |
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Find Leaves of Binary Tree 51% | MediumM | Solve→ |
Sum Root to Leaf Numbers 48% | MediumM | Solve→ |
Missing Ranges 46% | EasyE | Solve→ |
Reverse Integer 45% | MediumM | Solve→ |
Construct Quad Tree 43% | MediumM | Solve→ |
Design an Ordered Stream 43% | EasyE | Solve→ |
Trips and Users 42% | HardH | Solve→ |
Boundary of Binary Tree 42% | MediumM | Solve→ |
Binary Search Tree Iterator 42% | MediumM | Solve→ |
Best Time to Buy and Sell Stock 40% | EasyE | Solve→ |
Longest Increasing Path in a Matrix 40% | HardH | Solve→ |
Identify the Largest Outlier in an Array 39% | MediumM | Solve→ |
Longest Consecutive Sequence 38% | MediumM | Solve→ |
Roman to Integer 38% | EasyE | Solve→ |
Final Array State After K Multiplication Operations I 37% | EasyE | Solve→ |
First Unique Character in a String 37% | EasyE | Solve→ |
Sort Integers by The Power Value 36% | MediumM | Solve→ |
Max Consecutive Ones III 35% | MediumM | Solve→ |
Rank Transform of a Matrix 33% | HardH | Solve→ |
Generate Parentheses 32% | MediumM | Solve→ |
High Five 30% | EasyE | Solve→ |
Insert Delete GetRandom O(1) 20% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Instacart ask in interviews?
Instacart commonly asks 47 coding problems in technical interviews, including Letter Combinations of a Phone Number, Maximum Matrix Sum, Flip Columns For Maximum Number of Equal Rows. The difficulty breakdown is 12 Easy, 31 Medium, and 4 Hard problems.
How should I prepare for a Instacart coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Instacart interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Instacart coding interviews?
Based on our data, Instacart interviews include 12 Easy (26%), 31 Medium (66%), and 4 Hard (9%) problems.
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