NVIDIA vs TikTok Interview Questions
NVIDIA lists 136 LeetCode interview questions while TikTok lists 351. They share 76 problems — 56% of NVIDIA's bank and 22% of TikTok's. Focus on the overlap first, then drill into 60 NVIDIA-only and 275 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 76 overlapping problems first. These are the highest-yield questions for candidates interviewing at both NVIDIA and TikTok.
Step 2 — Company-specific depth: Add NVIDIA-specific problems like Special Binary String, Minimum Operations to Reduce an Integer to 0, Last Stone Weight and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: TikTok skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
76 Shared Questions
High-priority problems to practice for both NVIDIA and TikTok.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| 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 |
| Valid Parentheses | Easy |
| Maximum Subarray | Medium |
| Number of Islands | Medium |
| Restore IP Addresses | Medium |
| Search in Rotated Sorted Array | Medium |
| Trapping Rain Water | Hard |
| Dot Product of Two Sparse Vectors | Medium |
| Find the Duplicate Number | Medium |
| Move Zeroes | Easy |
| Reverse Words in a String | Medium |
| Container With Most Water | Medium |
| Merge Intervals | Medium |
| Sliding Window Maximum | Hard |
| Top K Frequent Elements | Medium |
| Add Two Numbers | Medium |
| Reverse Linked List | Easy |
| Unique Paths II | Medium |
| Insert Delete GetRandom O(1) | Medium |
| House Robber | Medium |
| Rotate Image | Medium |
| Serialize and Deserialize Binary Tree | Hard |
| Asteroid Collision | Medium |
| Jump Game | Medium |
| Copy List with Random Pointer | Medium |
Showing top 30 of 76 shared problems.
Unique to NVIDIA (60)
Problems in NVIDIA's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Special Binary String | Hard |
| Minimum Operations to Reduce an Integer to 0 | Medium |
| Last Stone Weight | Easy |
| Maximize Greatness of an Array | Medium |
| Maximum Number of Visible Points | Hard |
| Fizz Buzz | Easy |
| Reverse Bits | Easy |
| Missing Number | Easy |
| Task Scheduler II | Medium |
| Rotate List | Medium |
| Find The Original Array of Prefix Xor | Medium |
| 4Sum | Medium |
Unique to TikTok (275)
Problems in TikTok's list that do not appear at NVIDIA.
| Problem | Difficulty |
|---|---|
| Number of Distinct Islands | Medium |
| Meeting Rooms II | Medium |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| Word Search | Medium |
| N-Queens | Hard |
| Minimum Window Substring | Hard |
| Minimum Swaps to Group All 1's Together | Medium |
| Coin Change | Medium |
| Making A Large Island | Hard |
| Maximum Value at a Given Index in a Bounded Array | Medium |
| Maximum Swap | Medium |
Frequently Asked Questions
How many LeetCode questions do NVIDIA and TikTok share?
NVIDIA and TikTok share 76 LeetCode interview questions. 60 problems appear only in NVIDIA's list and 275 appear only in TikTok's list.
What topics overlap most between NVIDIA and TikTok?
The most common shared topics between NVIDIA and TikTok are Array (20 shared questions), Hash Table (8 shared questions), String (6 shared questions), Dynamic Programming (6 shared questions), Two Pointers (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: NVIDIA or TikTok?
NVIDIA has 32 Easy, 89 Medium, and 15 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. TikTok has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both NVIDIA and TikTok?
Start with the 76 shared problems since they cover what both companies ask most often. Then add 20 NVIDIA-specific and 20 TikTok-specific questions to round out your prep.