NVIDIA vs Zenefits Interview Questions
NVIDIA lists 136 LeetCode interview questions while Zenefits lists 21. They share 11 problems — 8% of NVIDIA's bank and 52% of Zenefits's. Focus on the overlap first, then drill into 125 NVIDIA-only and 10 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both NVIDIA and Zenefits.
Step 2 — Company-specific depth: Add NVIDIA-specific problems like Special Binary String, Longest Substring Without Repeating Characters, Best Time to Buy and Sell Stock 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
11 Shared Questions
High-priority problems to practice for both NVIDIA and Zenefits.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Valid Parentheses | Easy |
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Sliding Window Maximum | Hard |
| Reverse Linked List | Easy |
| Min Stack | Medium |
| Generate Parentheses | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Median of Two Sorted Arrays | Hard |
Unique to NVIDIA (125)
Problems in NVIDIA's list that do not appear at Zenefits.
| Problem | Difficulty |
|---|---|
| Special Binary String | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Two Sum | Easy |
| Merge k Sorted Lists | Hard |
| Group Anagrams | Medium |
| Minimum Operations to Reduce an Integer to 0 | Medium |
| Last Stone Weight | Easy |
| Maximum Subarray | Medium |
| Maximize Greatness of an Array | Medium |
| Maximum Number of Visible Points | Hard |
| Restore IP Addresses | Medium |
Unique to Zenefits (10)
Problems in Zenefits's list that do not appear at NVIDIA.
| Problem | Difficulty |
|---|---|
| Graph Valid Tree | Medium |
| Majority Element II | Medium |
| Excel Sheet Column Title | Easy |
| Majority Element | Easy |
| Convert Sorted List to Binary Search Tree | Medium |
| N-Queens II | Hard |
| Valid Palindrome | Easy |
| Flatten 2D Vector | Medium |
| Shortest Distance from All Buildings | Hard |
| Verify Preorder Sequence in Binary Search Tree | Medium |
Frequently Asked Questions
How many LeetCode questions do NVIDIA and Zenefits share?
NVIDIA and Zenefits share 11 LeetCode interview questions. 125 problems appear only in NVIDIA's list and 10 appear only in Zenefits's list.
What topics overlap most between NVIDIA and Zenefits?
The most common shared topics between NVIDIA and Zenefits are Array (4 shared questions), Stack (3 shared questions), Depth-First Search (3 shared questions), Breadth-First Search (3 shared questions), Linked List (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: NVIDIA or Zenefits?
NVIDIA has 32 Easy, 89 Medium, and 15 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 NVIDIA and Zenefits?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 NVIDIA-specific and 10 Zenefits-specific questions to round out your prep.