ByteDance vs Deloitte Interview Questions
ByteDance lists 64 LeetCode interview questions while Deloitte lists 43. They share 12 problems — 19% of ByteDance's bank and 28% of Deloitte's. Focus on the overlap first, then drill into 52 ByteDance-only and 31 Deloitte-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 12 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Deloitte.
Step 2 — Company-specific depth: Add ByteDance-specific problems like LRU Cache, Remove Duplicate Letters, Smallest Subsequence of Distinct Characters and Deloitte-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: ByteDance skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
12 Shared Questions
High-priority problems to practice for both ByteDance and Deloitte.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Two Sum | Easy |
| Maximum Subarray | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Kth Largest Element in an Array | Medium |
| Climbing Stairs | Easy |
| Subarray Sum Equals K | Medium |
| Remove K Digits | Medium |
| Longest Palindromic Substring | Medium |
| Merge k Sorted Lists | Hard |
| Valid Parentheses | Easy |
Unique to ByteDance (52)
Problems in ByteDance's list that do not appear at Deloitte.
| 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 |
| House Robber | Medium |
| Maximal Square | Medium |
| Regular Expression Matching | Hard |
Unique to Deloitte (31)
Problems in Deloitte's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Change Null Values in a Table to the Previous Value | Medium |
| Second Highest Salary | Medium |
| Longest Common Prefix | Easy |
| Container With Most Water | Medium |
| Palindrome Number | Easy |
| Valid Palindrome | Easy |
| Add Binary | Easy |
| Managers with at Least 5 Direct Reports | Medium |
| Minimum Time to Repair Cars | Medium |
| First Unique Character in a String | Easy |
| 3Sum | Medium |
| Nth Highest Salary | Medium |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Deloitte share?
ByteDance and Deloitte share 12 LeetCode interview questions. 52 problems appear only in ByteDance's list and 31 appear only in Deloitte's list.
What topics overlap most between ByteDance and Deloitte?
The most common shared topics between ByteDance and Deloitte are Array (6 shared questions), Dynamic Programming (4 shared questions), String (4 shared questions), Hash Table (3 shared questions), Divide and Conquer (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Deloitte?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Deloitte has 17 Easy, 23 Medium, and 3 Hard questions. ByteDance has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Deloitte?
Start with the 12 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 Deloitte-specific questions to round out your prep.