QUESTIONS BY COMPANY

Roku LeetCode Questions 2026

Browse LeetCode problems frequently asked by Roku. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 10 July 2026

Try CodingInterviewAI free on a practice problem

New accounts get 10 free credits for the free AI model—up to five complete problems.

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Decode String	MEDIUM	87.5%	StringStackRecursion
LRU Cache	MEDIUM	87.5%	Hash TableLinked ListDesignDoubly-Linked List
Backspace String Compare	EASY	75%	Two PointersStringStackSimulation
Multiply Strings	MEDIUM	75%	MathStringSimulation
Maximum Product of Three Numbers	EASY	75%	ArrayMathSorting
Max Consecutive Ones III	MEDIUM	75%	ArrayBinary SearchSliding WindowPrefix Sum
Shortest Path to Get All Keys	HARD	100%	ArrayBit ManipulationBreadth-First SearchMatrix
24 Game	HARD	75%	ArrayMathBacktracking
Valid Palindrome II	EASY	75%	Two PointersStringGreedy
Top K Frequent Elements	MEDIUM	87.5%	ArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect
Valid Parenthesis String	MEDIUM	87.5%	StringDynamic ProgrammingStackGreedy
Max Area of Island	MEDIUM	87.5%	ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Minimum Cost For Tickets	MEDIUM	75%	ArrayDynamic Programming
3Sum	MEDIUM	75%	ArrayTwo PointersSorting
Vertical Order Traversal of a Binary Tree	HARD	75%	Hash TableTreeDepth-First SearchBreadth-First SearchSortingBinary Tree
Asteroid Collision	MEDIUM	75%	ArrayStackSimulation
Longest Valid Parentheses	HARD	75%	StringDynamic ProgrammingStack
Three Equal Parts	HARD	75%	ArrayMath

Find algorithm patterns and generate explained solutions.