Infinera LeetCode Interview Questions
Practice 29 real coding problems frequently asked in Infinera technical interviews. Master these questions to ace your next Infinera software engineering interview.
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Infinera Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
All Nodes Distance K in Binary Tree 100% | MediumM | Solve→ |
Find First and Last Position of Element in Sorted Array 93% | MediumM | Solve→ |
Longest Increasing Path in a Matrix 84% | HardH | Solve→ |
Minimum Array Sum 81% | MediumM | Solve→ |
The kth Factor of n 80% | MediumM | Solve→ |
Binary Tree Zigzag Level Order Traversal 80% | MediumM | Solve→ |
Word Pattern II 79% | MediumM | Solve→ |
Clone Graph 78% | MediumM | Solve→ |
Move Pieces to Obtain a String 77% | MediumM | Solve→ |
Minimum Operations to Make Character Frequencies Equal 72% | HardH | Solve→ |
Jump Game 72% | MediumM | Solve→ |
Insert into a Sorted Circular Linked List 68% | MediumM | Solve→ |
Isomorphic Strings 65% | EasyE | Solve→ |
Minimum Difference in Sums After Removal of Elements 63% | HardH | Solve→ |
Combination Sum II 60% | MediumM | Solve→ |
Open the Lock 59% | MediumM | Solve→ |
Continuous Subarray Sum 58% | MediumM | Solve→ |
Roman to Integer 53% | EasyE | Solve→ |
IP to CIDR 46% | MediumM | Solve→ |
Boundary of Binary Tree 46% | MediumM | Solve→ |
Product of Array Except Self 41% | MediumM | Solve→ |
Largest Rectangle in Histogram 35% | HardH | Solve→ |
Minimum Area Rectangle 33% | MediumM | Solve→ |
High Five 31% | EasyE | Solve→ |
Invalid Transactions 28% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Infinera ask in interviews?
Infinera commonly asks 29 coding problems in technical interviews, including All Nodes Distance K in Binary Tree, Find First and Last Position of Element in Sorted Array, Longest Increasing Path in a Matrix. The difficulty breakdown is 3 Easy, 21 Medium, and 5 Hard problems.
How should I prepare for a Infinera coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Infinera interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Infinera coding interviews?
Based on our data, Infinera interviews include 3 Easy (10%), 21 Medium (72%), and 5 Hard (17%) problems.
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