Roku

17 LeetCode interview questions

Difficulty Distribution

Easy

3

18%

Medium

10

59%

Hard

4

24%

Top Topics

Array(10)String(6)Stack(4)Hash Table(3)Simulation(3)Math(3)Greedy(3)Sliding Window(2)Two Pointers(2)Sorting(2)

All Questions

Title	Difficulty	Acceptance	Frequency	Topics
Shortest Path to Get All Keys	Hard	54.3%	100.0%	ArrayBit ManipulationBreadth-First Search+1
Top K Frequent Elements	Medium	65.8%	100.0%	ArrayHash TableDivide and Conquer+5
Substring with Concatenation of All Words	Hard	34.0%	87.5%	Hash TableStringSliding Window
Decode String	Medium	62.2%	87.5%	StringStackRecursion
LRU Cache	Medium	46.8%	87.5%	Hash TableLinked ListDesign+1
Valid Parenthesis String	Medium	39.8%	87.5%	StringDynamic ProgrammingStack+1
Max Area of Island	Medium	73.8%	87.5%	ArrayDepth-First SearchBreadth-First Search+2
Asteroid Collision	Medium	47.1%	75.0%	ArrayStackSimulation
Backspace String Compare	Easy	49.8%	75.0%	Two PointersStringStack+1
Multiply Strings	Medium	43.5%	75.0%	MathStringSimulation
Maximum Product of Three Numbers	Easy	45.7%	75.0%	ArrayMathSorting
Max Consecutive Ones III	Medium	67.3%	75.0%	ArrayBinary SearchSliding Window+1
24 Game	Hard	59.3%	75.0%	ArrayMathBacktracking
Valid Palindrome II	Easy	44.0%	75.0%	Two PointersStringGreedy
Candy	Hard	47.9%	75.0%	ArrayGreedy
Search in Rotated Sorted Array	Medium	44.1%	75.0%	ArrayBinary Search
Minimum Cost For Tickets	Medium	67.4%	75.0%	ArrayDynamic Programming

Showing 17 of 17 questions