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Zenefits Problems
Master the most frequently asked interview questions for this company.
ID
Title
Difficulty
Topics
169
Majority Element
Easy
Array
Hash Table
200
Number of Islands
Medium
Array
Depth-First Search
261
Graph Valid Tree
Medium
Depth-First Search
Breadth-First Search
255
Verify Preorder Sequence in Binary Search Tree
Medium
Array
Stack
251
Flatten 2D Vector
Medium
Array
Two Pointers
239
Sliding Window Maximum
Hard
Array
Queue
229
Majority Element II
Medium
Array
Hash Table
210
Course Schedule II
Medium
Depth-First Search
Breadth-First Search
207
Course Schedule
Medium
Depth-First Search
Breadth-First Search
206
Reverse Linked List
Easy
Linked List
Recursion
4
Median of Two Sorted Arrays
Hard
Array
Binary Search
20
Valid Parentheses
Easy
String
Stack
168
Excel Sheet Column Title
Easy
Math
String
155
Min Stack
Medium
Stack
Design
146
LRU Cache
Medium
Hash Table
Linked List
125
Valid Palindrome
Easy
Two Pointers
String
109
Convert Sorted List to Binary Search Tree
Medium
Linked List
Divide and Conquer
52
N-Queens II
Hard
Backtracking
42
Trapping Rain Water
Hard
Array
Two Pointers
22
Generate Parentheses
Medium
String
Dynamic Programming
317
Shortest Distance from All Buildings
Hard
Array
Breadth-First Search
