Capital One vs Databricks Interview Questions
Capital One lists 47 LeetCode interview questions while Databricks lists 31. They share 6 problems — 13% of Capital One's bank and 19% of Databricks's. Focus on the overlap first, then drill into 41 Capital One-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 Capital One and Databricks.
Step 2 — Company-specific depth: Add Capital One-specific problems like Simple Bank System, Block Placement Queries, Minimum Operations to Write the Letter Y on a Grid 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 Capital One and Databricks.
| Problem | Difficulty |
|---|---|
| Spiral Matrix | Medium |
| Text Justification | Hard |
| Split Message Based on Limit | Hard |
| Find the Length of the Longest Common Prefix | Medium |
| Number of Flowers in Full Bloom | Hard |
| Merge Intervals | Medium |
Unique to Capital One (41)
Problems in Capital One's list that do not appear at Databricks.
| Problem | Difficulty |
|---|---|
| Simple Bank System | Medium |
| Block Placement Queries | Hard |
| Minimum Operations to Write the Letter Y on a Grid | Medium |
| Candy Crush | Medium |
| Count Alternating Subarrays | Medium |
| Rotate Image | Medium |
| Four Divisors | Medium |
| Simplify Path | Medium |
| Count Operations to Obtain Zero | Easy |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium |
| Rotating the Box | Medium |
| Number of Black Blocks | Medium |
Unique to Databricks (25)
Problems in Databricks's list that do not appear at Capital One.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| IP to CIDR | Medium |
| Design Tic-Tac-Toe | Medium |
| House Robber | 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 |
Frequently Asked Questions
How many LeetCode questions do Capital One and Databricks share?
Capital One and Databricks share 6 LeetCode interview questions. 41 problems appear only in Capital One's list and 25 appear only in Databricks's list.
What topics overlap most between Capital One and Databricks?
The most common shared topics between Capital One and Databricks are Array (5 shared questions), String (3 shared questions), Simulation (2 shared questions), Binary Search (2 shared questions), Hash Table (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Capital One or Databricks?
Capital One has 9 Easy, 28 Medium, and 10 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 Capital One and Databricks?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 Capital One-specific and 20 Databricks-specific questions to round out your prep.