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Roku
Roku
18 questions
Interview frequency breakdown: 30-day, 3-month, 6-month & all-time
2 Easy
10 Med
6 Hard
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18
questions
#347
Top K Frequent Elements
Medium
array
NeetCode
100% Freq
#394
Decode String
Medium
string
NeetCode
100% Freq
#864
Shortest Path to Get All Keys
Hard
array
WalkCCC
100% Freq
#983
Minimum Cost For Tickets
Medium
array
WalkCCC
100% Freq
#1423
Maximum Points You Can Obtain from Cards
Medium
array
WalkCCC
100% Freq
3m
#15
3Sum
Medium
array
NeetCode
87% Freq
#43
Multiply Strings
Medium
math
NeetCode
87% Freq
#678
Valid Parenthesis String
Medium
string
NeetCode
87% Freq
#679
24 Game
Hard
array
WalkCCC
87% Freq
#680
Valid Palindrome II
Easy
two pointers
NeetCode
87% Freq
#695
Max Area of Island
Medium
array
NeetCode
87% Freq
#735
Asteroid Collision
Medium
array
NeetCode
87% Freq
#844
Backspace String Compare
Easy
two pointers
NeetCode
87% Freq
#987
Vertical Order Traversal of a Binary Tree
Hard
hash table
WalkCCC
87% Freq
#32
Longest Valid Parentheses
Hard
string
WalkCCC
87% Freq
#146
LRU Cache
Medium
hash table
NeetCode
87% Freq
#716
Max Stack
Hard
linked list
WalkCCC
87% Freq
#927
Three Equal Parts
Hard
array
WalkCCC
87% Freq