Databricks vs TCS Interview Questions
Databricks lists 31 LeetCode interview questions while TCS lists 228. They share 7 problems — 23% of Databricks's bank and 3% of TCS's. Focus on the overlap first, then drill into 24 Databricks-only and 221 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 7 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Databricks and TCS.
Step 2 — Company-specific depth: Add Databricks-specific problems like Design Hit Counter, IP to CIDR, Design Tic-Tac-Toe and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Databricks skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
7 Shared Questions
High-priority problems to practice for both Databricks and TCS.
| Problem | Difficulty |
|---|---|
| House Robber | Medium |
| Permutation in String | Medium |
| Spiral Matrix | Medium |
| String to Integer (atoi) | Medium |
| Merge Intervals | Medium |
| Rotting Oranges | Medium |
| Two Sum | Easy |
Unique to Databricks (24)
Problems in Databricks's list that do not appear at TCS.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| IP to CIDR | Medium |
| Design Tic-Tac-Toe | Medium |
| Find All Anagrams in a String | Medium |
| Step-By-Step Directions From a Binary Tree Node to Another | Medium |
| Time Based Key-Value Store | Medium |
| House Robber II | Medium |
| RLE Iterator | Medium |
| Longest Palindrome by Concatenating Two Letter Words | Medium |
| Closest Leaf in a Binary Tree | Medium |
| Shortest Path in a Grid with Obstacles Elimination | Hard |
| Number of Recent Calls | Easy |
Unique to TCS (221)
Problems in TCS's list that do not appear at Databricks.
| 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 Databricks and TCS share?
Databricks and TCS share 7 LeetCode interview questions. 24 problems appear only in Databricks's list and 221 appear only in TCS's list.
What topics overlap most between Databricks and TCS?
The most common shared topics between Databricks and TCS are Array (5 shared questions), Hash Table (2 shared questions), String (2 shared questions), Matrix (2 shared questions), Dynamic Programming (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Databricks or TCS?
Databricks has 2 Easy, 22 Medium, and 7 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Databricks has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Databricks and TCS?
Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 Databricks-specific and 20 TCS-specific questions to round out your prep.