NVIDIA vs TCS Interview Questions
NVIDIA lists 136 LeetCode interview questions while TCS lists 228. They share 74 problems — 54% of NVIDIA's bank and 32% of TCS's. Focus on the overlap first, then drill into 62 NVIDIA-only and 154 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 74 overlapping problems first. These are the highest-yield questions for candidates interviewing at both NVIDIA and TCS.
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 TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: NVIDIA skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
74 Shared Questions
High-priority problems to practice for both NVIDIA and TCS.
| 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 |
| Search in Rotated Sorted Array | Medium |
| Fizz Buzz | Easy |
| Trapping Rain Water | Hard |
| Missing Number | Easy |
| Find the Duplicate Number | Medium |
| Move Zeroes | Easy |
| Reverse Words in a String | Medium |
| Container With Most Water | Medium |
| Merge Intervals | Medium |
| 4Sum | Medium |
| Sliding Window Maximum | Hard |
| Merge Sorted Array | Easy |
| Top K Frequent Elements | Medium |
| Add Two Numbers | Medium |
| Fibonacci Number | Easy |
| Reverse Linked List | Easy |
| Unique Paths II | Medium |
| House Robber | Medium |
| Rotate Image | Medium |
| String to Integer (atoi) | Medium |
| Serialize and Deserialize Binary Tree | Hard |
Showing top 30 of 74 shared problems.
Unique to NVIDIA (62)
Problems in NVIDIA's list that do not appear at TCS.
| 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 |
| Restore IP Addresses | Medium |
| Reverse Bits | Easy |
| Dot Product of Two Sparse Vectors | Medium |
| Task Scheduler II | Medium |
| Rotate List | Medium |
| Find The Original Array of Prefix Xor | Medium |
| Max Sum of a Pair With Equal Sum of Digits | Medium |
Unique to TCS (154)
Problems in TCS's list that do not appear at NVIDIA.
Frequently Asked Questions
How many LeetCode questions do NVIDIA and TCS share?
NVIDIA and TCS share 74 LeetCode interview questions. 62 problems appear only in NVIDIA's list and 154 appear only in TCS's list.
What topics overlap most between NVIDIA and TCS?
The most common shared topics between NVIDIA and TCS are Array (19 shared questions), String (7 shared questions), Two Pointers (7 shared questions), Hash Table (6 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: NVIDIA or TCS?
NVIDIA has 32 Easy, 89 Medium, and 15 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. NVIDIA has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both NVIDIA and TCS?
Start with the 74 shared problems since they cover what both companies ask most often. Then add 20 NVIDIA-specific and 20 TCS-specific questions to round out your prep.