Tesla vs Zenefits Interview Questions
Tesla lists 41 LeetCode interview questions while Zenefits lists 21. They share 6 problems — 15% of Tesla's bank and 29% of Zenefits's. Focus on the overlap first, then drill into 35 Tesla-only and 15 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Tesla and Zenefits.
Step 2 — Company-specific depth: Add Tesla-specific problems like Merge Intervals, Minimum Changes To Make Alternating Binary String, Find Followers Count and Zenefits-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zenefits skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
6 Shared Questions
High-priority problems to practice for both Tesla and Zenefits.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Valid Parentheses | Easy |
| LRU Cache | Medium |
| Course Schedule | Medium |
| Median of Two Sorted Arrays | Hard |
Unique to Tesla (35)
Problems in Tesla's list that do not appear at Zenefits.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Minimum Changes To Make Alternating Binary String | Easy |
| Find Followers Count | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Basic Calculator II | Medium |
| Building H2O | Medium |
| Design Circular Queue | Medium |
| Reorganize String | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Rectangle Area | Medium |
| 3Sum | Medium |
| Letter Combinations of a Phone Number | Medium |
Unique to Zenefits (15)
Problems in Zenefits's list that do not appear at Tesla.
| Problem | Difficulty |
|---|---|
| Graph Valid Tree | Medium |
| Reverse Linked List | Easy |
| Course Schedule II | Medium |
| Generate Parentheses | Medium |
| Min Stack | Medium |
| Majority Element II | Medium |
| Excel Sheet Column Title | Easy |
| Majority Element | Easy |
| Convert Sorted List to Binary Search Tree | Medium |
| Sliding Window Maximum | Hard |
| N-Queens II | Hard |
| Valid Palindrome | Easy |
Frequently Asked Questions
How many LeetCode questions do Tesla and Zenefits share?
Tesla and Zenefits share 6 LeetCode interview questions. 35 problems appear only in Tesla's list and 15 appear only in Zenefits's list.
What topics overlap most between Tesla and Zenefits?
The most common shared topics between Tesla and Zenefits are Array (3 shared questions), Depth-First Search (2 shared questions), Breadth-First Search (2 shared questions), Stack (2 shared questions), Union-Find (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Tesla or Zenefits?
Tesla has 10 Easy, 26 Medium, and 5 Hard questions. Zenefits has 5 Easy, 11 Medium, and 5 Hard questions. Zenefits has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Tesla and Zenefits?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 Tesla-specific and 15 Zenefits-specific questions to round out your prep.