Capital One vs Deloitte Interview Questions
Capital One lists 47 LeetCode interview questions while Deloitte lists 43. They share 7 problems — 15% of Capital One's bank and 16% of Deloitte's. Focus on the overlap first, then drill into 40 Capital One-only and 36 Deloitte-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 Capital One and Deloitte.
Step 2 — Company-specific depth: Add Capital One-specific problems like Simple Bank System, Spiral Matrix, Block Placement Queries and Deloitte-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Capital One 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 Capital One and Deloitte.
| Problem | Difficulty |
|---|---|
| Best Time to Buy and Sell Stock | Easy |
| Palindrome Number | Easy |
| Coin Change | Medium |
| Merge Intervals | Medium |
| Rotate Array | Medium |
| Roman to Integer | Easy |
| Valid Parentheses | Easy |
Unique to Capital One (40)
Problems in Capital One's list that do not appear at Deloitte.
| Problem | Difficulty |
|---|---|
| Simple Bank System | Medium |
| Spiral Matrix | Medium |
| Block Placement Queries | Hard |
| Text Justification | 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 |
Unique to Deloitte (36)
Problems in Deloitte's list that do not appear at Capital One.
| Problem | Difficulty |
|---|---|
| Merge k Sorted Lists | Hard |
| Two Sum | Easy |
| Change Null Values in a Table to the Previous Value | Medium |
| Second Highest Salary | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Longest Palindromic Substring | Medium |
| Longest Common Prefix | Easy |
| Container With Most Water | Medium |
| Climbing Stairs | Easy |
| Valid Palindrome | Easy |
| Add Binary | Easy |
| Managers with at Least 5 Direct Reports | Medium |
Frequently Asked Questions
How many LeetCode questions do Capital One and Deloitte share?
Capital One and Deloitte share 7 LeetCode interview questions. 40 problems appear only in Capital One's list and 36 appear only in Deloitte's list.
What topics overlap most between Capital One and Deloitte?
The most common shared topics between Capital One and Deloitte are Array (4 shared questions), Math (3 shared questions), Dynamic Programming (2 shared questions), String (2 shared questions), Breadth-First Search (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Capital One or Deloitte?
Capital One has 9 Easy, 28 Medium, and 10 Hard questions. Deloitte has 17 Easy, 23 Medium, and 3 Hard questions. Capital One has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Capital One and Deloitte?
Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 Capital One-specific and 20 Deloitte-specific questions to round out your prep.