Question 1

How many LeetCode questions does Zenefits ask in interviews?

Accepted Answer

Zenefits has 21 known LeetCode interview questions. The difficulty breakdown is 5 Easy, 11 Medium, and 5 Hard problems.

Question 2

What are the most common topics in Zenefits coding interviews?

Accepted Answer

The most frequently asked topics at Zenefits are Array (9 questions), Breadth-First Search (5 questions), Depth-First Search (4 questions), String (4 questions), Stack (4 questions). Focus on these topics to maximize your preparation.

Question 3

How should I prepare for a Zenefits coding interview?

Accepted Answer

Start with the most frequently asked Zenefits problems on CodeJeet, sorted by frequency. Focus on Medium difficulty first since Zenefits asks 11 Medium problems. Practice the top topics: Array, Breadth-First Search, Depth-First Search.

Title	Difficulty	Acceptance	Frequency	Topics
Median of Two Sorted Arrays	Hard	46.0%	100.0%	ArrayBinary SearchDivide and Conquer
Graph Valid Tree	Medium	49.8%	100.0%	Depth-First SearchBreadth-First SearchUnion-Find+1
Number of Islands	Medium	63.8%	100.0%	ArrayDepth-First SearchBreadth-First Search+2
Reverse Linked List	Easy	80.3%	100.0%	Linked ListRecursion
Course Schedule	Medium	50.8%	100.0%	Depth-First SearchBreadth-First SearchGraph Theory+1
LRU Cache	Medium	46.8%	100.0%	Hash TableLinked ListDesign+1
Course Schedule II	Medium	55.0%	100.0%	Depth-First SearchBreadth-First SearchGraph Theory+1
Valid Parentheses	Easy	43.7%	100.0%	StringStack
Generate Parentheses	Medium	78.3%	100.0%	StringDynamic ProgrammingBacktracking
Min Stack	Medium	57.7%	100.0%	StackDesign
Majority Element II	Medium	55.8%	100.0%	ArrayHash TableSorting+1
Excel Sheet Column Title	Easy	45.8%	100.0%	MathString
Majority Element	Easy	66.1%	100.0%	ArrayHash TableDivide and Conquer+2
Trapping Rain Water	Hard	66.8%	100.0%	ArrayTwo PointersDynamic Programming+2
Convert Sorted List to Binary Search Tree	Medium	66.0%	100.0%	Linked ListDivide and ConquerTree+2
Sliding Window Maximum	Hard	48.5%	100.0%	ArrayQueueSliding Window+2
N-Queens II	Hard	78.2%	100.0%	Backtracking
Valid Palindrome	Easy	52.8%	100.0%	Two PointersString
Flatten 2D Vector	Medium	50.4%	100.0%	ArrayTwo PointersDesign+1
Shortest Distance from All Buildings	Hard	44.9%	100.0%	ArrayBreadth-First SearchMatrix
Verify Preorder Sequence in Binary Search Tree	Medium	51.7%	100.0%	ArrayStackTree+4

Zenefits

Difficulty Distribution

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