NVIDIA vs Twitter Interview Questions
NVIDIA lists 136 LeetCode interview questions while Twitter lists 53. They share 10 problems — 7% of NVIDIA's bank and 19% of Twitter's. Focus on the overlap first, then drill into 126 NVIDIA-only and 43 Twitter-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both NVIDIA and Twitter.
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 Twitter-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Twitter skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
10 Shared Questions
High-priority problems to practice for both NVIDIA and Twitter.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Merge k Sorted Lists | Hard |
| Valid Parentheses | Easy |
| Trapping Rain Water | Hard |
| Merge Intervals | Medium |
| Reverse Linked List | Easy |
| Insert Delete GetRandom O(1) | Medium |
| Rotting Oranges | Medium |
| Max Points on a Line | Hard |
| The Skyline Problem | Hard |
Unique to NVIDIA (126)
Problems in NVIDIA's list that do not appear at Twitter.
| Problem | Difficulty |
|---|---|
| Special Binary String | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Two Sum | Easy |
| 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 Twitter (43)
Problems in Twitter's list that do not appear at NVIDIA.
| Problem | Difficulty |
|---|---|
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Multiply Strings | Medium |
| Wildcard Matching | Hard |
| Permutation Sequence | Hard |
| Pascal's Triangle | Easy |
| Word Break II | Hard |
| Time Needed to Buy Tickets | Easy |
| One Edit Distance | Medium |
| Happy Number | Easy |
| Implement Trie (Prefix Tree) | Medium |
| Lowest Common Ancestor of a Binary Search Tree | Medium |
Frequently Asked Questions
How many LeetCode questions do NVIDIA and Twitter share?
NVIDIA and Twitter share 10 LeetCode interview questions. 126 problems appear only in NVIDIA's list and 43 appear only in Twitter's list.
What topics overlap most between NVIDIA and Twitter?
The most common shared topics between NVIDIA and Twitter are Array (6 shared questions), Hash Table (3 shared questions), Linked List (3 shared questions), Design (2 shared questions), Divide and Conquer (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: NVIDIA or Twitter?
NVIDIA has 32 Easy, 89 Medium, and 15 Hard questions. Twitter has 8 Easy, 33 Medium, and 12 Hard questions. Twitter has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both NVIDIA and Twitter?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 NVIDIA-specific and 20 Twitter-specific questions to round out your prep.