Roblox vs Zenefits Interview Questions
Roblox lists 56 LeetCode interview questions while Zenefits lists 21. They share 5 problems — 9% of Roblox's bank and 24% of Zenefits's. Focus on the overlap first, then drill into 51 Roblox-only and 16 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Roblox and Zenefits.
Step 2 — Company-specific depth: Add Roblox-specific problems like Candy Crush, Reorganize String, Number of Ways to Wear Different Hats to Each Other 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
5 Shared Questions
High-priority problems to practice for both Roblox and Zenefits.
| Problem | Difficulty |
|---|---|
| Course Schedule II | Medium |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Trapping Rain Water | Hard |
| Sliding Window Maximum | Hard |
Unique to Roblox (51)
Problems in Roblox's list that do not appear at Zenefits.
| Problem | Difficulty |
|---|---|
| Candy Crush | Medium |
| Reorganize String | Medium |
| Number of Ways to Wear Different Hats to Each Other | Hard |
| Text Justification | Hard |
| Maximize Distance to Closest Person | Medium |
| Task Scheduler | Medium |
| Design Hit Counter | Medium |
| Design Search Autocomplete System | Hard |
| Integer to English Words | Hard |
| Count Number of Nice Subarrays | Medium |
| Group the People Given the Group Size They Belong To | Medium |
| Rotate Image | Medium |
Unique to Zenefits (16)
Problems in Zenefits's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| Median of Two Sorted Arrays | Hard |
| Graph Valid Tree | Medium |
| Number of Islands | Medium |
| Reverse Linked List | Easy |
| LRU Cache | 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 |
| N-Queens II | Hard |
Frequently Asked Questions
How many LeetCode questions do Roblox and Zenefits share?
Roblox and Zenefits share 5 LeetCode interview questions. 51 problems appear only in Roblox's list and 16 appear only in Zenefits's list.
What topics overlap most between Roblox and Zenefits?
The most common shared topics between Roblox and Zenefits are Depth-First Search (2 shared questions), Breadth-First Search (2 shared questions), Graph Theory (2 shared questions), Topological Sort (2 shared questions), Stack (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Roblox or Zenefits?
Roblox has 8 Easy, 35 Medium, and 13 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 Roblox and Zenefits?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Roblox-specific and 16 Zenefits-specific questions to round out your prep.