Roku LeetCode Interview Questions
Practice 30 real coding problems frequently asked in Roku technical interviews. Master these questions to ace your next Roku software engineering interview.
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Roku Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Coin Change 100% | MediumM | Solve→ |
Flood Fill 98% | EasyE | Solve→ |
Word Ladder II 91% | HardH | Solve→ |
Minimum Add to Make Parentheses Valid 87% | MediumM | Solve→ |
Number of Distinct Islands 86% | MediumM | Solve→ |
Custom Sort String 85% | MediumM | Solve→ |
Remove Nth Node From End of List 85% | MediumM | Solve→ |
Longest Substring Without Repeating Characters 84% | MediumM | Solve→ |
Pow(x, n) 71% | MediumM | Solve→ |
Rank Transform of a Matrix 71% | HardH | Solve→ |
Zero Array Transformation I 71% | MediumM | Solve→ |
Minimum Window Substring 68% | HardH | Solve→ |
Search Suggestions System 66% | MediumM | Solve→ |
K-diff Pairs in an Array 64% | MediumM | Solve→ |
Integer to English Words 59% | HardH | Solve→ |
Valid Palindrome II 57% | EasyE | Solve→ |
Plus One 53% | EasyE | Solve→ |
Random Pick Index 52% | MediumM | Solve→ |
Find Score of an Array After Marking All Elements 49% | MediumM | Solve→ |
Roman to Integer 46% | EasyE | Solve→ |
Flatten Binary Tree to Linked List 45% | MediumM | Solve→ |
Find Longest Self-Contained Substring 36% | HardH | Solve→ |
Line Reflection 35% | MediumM | Solve→ |
Letter Combinations of a Phone Number 33% | MediumM | Solve→ |
Subsets II 27% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Roku ask in interviews?
Roku commonly asks 30 coding problems in technical interviews, including Coin Change, Flood Fill, Word Ladder II. The difficulty breakdown is 6 Easy, 19 Medium, and 5 Hard problems.
How should I prepare for a Roku coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Roku interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Roku coding interviews?
Based on our data, Roku interviews include 6 Easy (20%), 19 Medium (63%), and 5 Hard (17%) problems.
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