Question 1

How many LeetCode questions does Roku ask in interviews?

Accepted Answer

Roku has 19 known LeetCode interview questions. The difficulty breakdown is 3 Easy, 10 Medium, and 6 Hard problems.

Question 2

What are the most common topics in Roku coding interviews?

Accepted Answer

The most frequently asked topics at Roku are Array (11 questions), String (6 questions), Stack (5 questions), Math (4 questions), Sorting (4 questions). Focus on these topics to maximize your preparation.

Question 3

How should I prepare for a Roku coding interview?

Accepted Answer

Start with the most frequently asked Roku problems on CodeJeet, sorted by frequency. Focus on Medium difficulty first since Roku asks 10 Medium problems. Practice the top topics: Array, String, Stack.

Title	Difficulty	Acceptance	Frequency	Topics
Shortest Path to Get All Keys	Hard	54.3%	100.0%	ArrayBit ManipulationBreadth-First Search+1
LRU Cache	Medium	46.8%	91.4%	Hash TableLinked ListDesign+1
Decode String	Medium	62.3%	91.4%	StringStackRecursion
Top K Frequent Elements	Medium	65.9%	91.4%	ArrayHash TableDivide and Conquer+5
Valid Parenthesis String	Medium	39.8%	91.4%	StringDynamic ProgrammingStack+1
Max Area of Island	Medium	73.8%	91.4%	ArrayDepth-First SearchBreadth-First Search+2
Maximum Product of Three Numbers	Easy	45.7%	79.3%	ArrayMathSorting
Backspace String Compare	Easy	49.8%	79.3%	Two PointersStringStack+1
Multiply Strings	Medium	43.6%	79.3%	MathStringSimulation
Max Consecutive Ones III	Medium	67.3%	79.3%	ArrayBinary SearchSliding Window+1
24 Game	Hard	59.3%	79.3%	ArrayMathBacktracking
Valid Palindrome II	Easy	44.0%	79.3%	Two PointersStringGreedy
Candy	Hard	48.0%	79.3%	ArrayGreedy
3Sum	Medium	38.6%	79.3%	ArrayTwo PointersSorting
Minimum Cost For Tickets	Medium	67.4%	79.3%	ArrayDynamic Programming
Vertical Order Traversal of a Binary Tree	Hard	53.3%	79.3%	Hash TableTreeDepth-First Search+3
Asteroid Collision	Medium	47.2%	79.3%	ArrayStackSimulation
Longest Valid Parentheses	Hard	38.1%	79.3%	StringDynamic ProgrammingStack
Three Equal Parts	Hard	41.2%	79.3%	ArrayMath

Roku

Difficulty Distribution

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