ByteDance vs Databricks Interview Questions
ByteDance lists 64 LeetCode interview questions while Databricks lists 31. They share 6 problems — 9% of ByteDance's bank and 19% of Databricks's. Focus on the overlap first, then drill into 58 ByteDance-only and 25 Databricks-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Databricks.
Step 2 — Company-specific depth: Add ByteDance-specific problems like LRU Cache, Remove Duplicate Letters, Smallest Subsequence of Distinct Characters and Databricks-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
6 Shared Questions
High-priority problems to practice for both ByteDance and Databricks.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| House Robber | Medium |
| Two Sum | Easy |
| Rotting Oranges | Medium |
| Find the Length of the Longest Common Prefix | Medium |
| Text Justification | Hard |
Unique to ByteDance (58)
Problems in ByteDance's list that do not appear at Databricks.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Remove Duplicate Letters | Medium |
| Smallest Subsequence of Distinct Characters | Medium |
| First Day Where You Have Been in All the Rooms | Medium |
| Number of Islands | Medium |
| Course Schedule | Medium |
| Combination Sum | Medium |
| Basic Calculator II | Medium |
| Shortest Bridge | Medium |
| Maximal Square | Medium |
| Regular Expression Matching | Hard |
| Top K Frequent Elements | Medium |
Unique to Databricks (25)
Problems in Databricks's list that do not appear at ByteDance.
| 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 |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Databricks share?
ByteDance and Databricks share 6 LeetCode interview questions. 58 problems appear only in ByteDance's list and 25 appear only in Databricks's list.
What topics overlap most between ByteDance and Databricks?
The most common shared topics between ByteDance and Databricks are Array (6 shared questions), Hash Table (2 shared questions), String (2 shared questions), Sorting (1 shared questions), Dynamic Programming (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Databricks?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Databricks has 2 Easy, 22 Medium, and 7 Hard questions. Databricks has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Databricks?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 Databricks-specific questions to round out your prep.