Dropbox vs TCS Interview Questions
Dropbox lists 22 LeetCode interview questions while TCS lists 228. They share 4 problems — 18% of Dropbox's bank and 2% of TCS's. Focus on the overlap first, then drill into 18 Dropbox-only and 224 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Dropbox and TCS.
Step 2 — Company-specific depth: Add Dropbox-specific problems like Simple Bank System, Minimize Malware Spread, Web Crawler and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Dropbox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both Dropbox and TCS.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Median of Two Sorted Arrays | Hard |
| Letter Combinations of a Phone Number | Medium |
| Merge Intervals | Medium |
Unique to Dropbox (18)
Problems in Dropbox's list that do not appear at TCS.
| Problem | Difficulty |
|---|---|
| Simple Bank System | Medium |
| Minimize Malware Spread | Hard |
| Web Crawler | Medium |
| Web Crawler Multithreaded | Medium |
| Find Duplicate File in System | Medium |
| Number of Valid Words for Each Puzzle | Hard |
| Game of Life | Medium |
| Word Pattern | Easy |
| Word Pattern II | Medium |
| Seat Reservation Manager | Medium |
| Minimize Malware Spread II | Hard |
| Design Hit Counter | Medium |
Unique to TCS (224)
Problems in TCS's list that do not appear at Dropbox.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
| Maximum Subarray | Medium |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | 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 |
Frequently Asked Questions
How many LeetCode questions do Dropbox and TCS share?
Dropbox and TCS share 4 LeetCode interview questions. 18 problems appear only in Dropbox's list and 224 appear only in TCS's list.
What topics overlap most between Dropbox and TCS?
The most common shared topics between Dropbox and TCS are Array (3 shared questions), Hash Table (2 shared questions), Binary Search (1 shared questions), Divide and Conquer (1 shared questions), String (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Dropbox or TCS?
Dropbox has 2 Easy, 10 Medium, and 10 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Dropbox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Dropbox and TCS?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 18 Dropbox-specific and 20 TCS-specific questions to round out your prep.