NVIDIA vs Roblox Interview Questions
NVIDIA lists 136 LeetCode interview questions while Roblox lists 56. They share 17 problems — 13% of NVIDIA's bank and 30% of Roblox's. Focus on the overlap first, then drill into 119 NVIDIA-only and 39 Roblox-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 17 overlapping problems first. These are the highest-yield questions for candidates interviewing at both NVIDIA and Roblox.
Step 2 — Company-specific depth: Add NVIDIA-specific problems like Special Binary String, LRU Cache, Best Time to Buy and Sell Stock and Roblox-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Roblox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
17 Shared Questions
High-priority problems to practice for both NVIDIA and Roblox.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Trapping Rain Water | Hard |
| Merge Intervals | Medium |
| Sliding Window Maximum | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Rotate Image | Medium |
| Longest Consecutive Sequence | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Spiral Matrix | Medium |
| Rotting Oranges | Medium |
| Integer to English Words | Hard |
| Task Scheduler | Medium |
| Longest Common Prefix | Easy |
| Design Memory Allocator | Medium |
Unique to NVIDIA (119)
Problems in NVIDIA's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| Special Binary String | Hard |
| LRU Cache | Medium |
| Best Time to Buy and Sell Stock | 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 |
| Number of Islands | Medium |
| Maximum Number of Visible Points | Hard |
| Restore IP Addresses | Medium |
Unique to Roblox (39)
Problems in Roblox's list that do not appear at NVIDIA.
Frequently Asked Questions
How many LeetCode questions do NVIDIA and Roblox share?
NVIDIA and Roblox share 17 LeetCode interview questions. 119 problems appear only in NVIDIA's list and 39 appear only in Roblox's list.
What topics overlap most between NVIDIA and Roblox?
The most common shared topics between NVIDIA and Roblox are Array (12 shared questions), Hash Table (6 shared questions), String (4 shared questions), Math (3 shared questions), Matrix (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: NVIDIA or Roblox?
NVIDIA has 32 Easy, 89 Medium, and 15 Hard questions. Roblox has 8 Easy, 35 Medium, and 13 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both NVIDIA and Roblox?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 20 NVIDIA-specific and 20 Roblox-specific questions to round out your prep.