Roblox vs TCS Interview Questions
Roblox lists 56 LeetCode interview questions while TCS lists 228. They share 14 problems — 25% of Roblox's bank and 6% of TCS's. Focus on the overlap first, then drill into 42 Roblox-only and 214 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 14 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Roblox and TCS.
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 TCS-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
14 Shared Questions
High-priority problems to practice for both Roblox and TCS.
| Problem | Difficulty |
|---|---|
| Task Scheduler | Medium |
| Integer to English Words | Hard |
| Rotate Image | Medium |
| Valid Parentheses | Easy |
| Two Sum | Easy |
| Merge Intervals | Medium |
| Largest Rectangle in Histogram | Hard |
| Spiral Matrix | Medium |
| Trapping Rain Water | Hard |
| Longest Common Prefix | Easy |
| Rotting Oranges | Medium |
| Longest Consecutive Sequence | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Sliding Window Maximum | Hard |
Unique to Roblox (42)
Problems in Roblox's list that do not appear at TCS.
Unique to TCS (214)
Problems in TCS's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
| Maximum Subarray | Medium |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
Frequently Asked Questions
How many LeetCode questions do Roblox and TCS share?
Roblox and TCS share 14 LeetCode interview questions. 42 problems appear only in Roblox's list and 214 appear only in TCS's list.
What topics overlap most between Roblox and TCS?
The most common shared topics between Roblox and TCS are Array (11 shared questions), Hash Table (4 shared questions), String (4 shared questions), Matrix (3 shared questions), Stack (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Roblox or TCS?
Roblox has 8 Easy, 35 Medium, and 13 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Roblox and TCS?
Start with the 14 shared problems since they cover what both companies ask most often. Then add 20 Roblox-specific and 20 TCS-specific questions to round out your prep.