ByteDance vs Zenefits Interview Questions
ByteDance lists 64 LeetCode interview questions while Zenefits lists 21. They share 7 problems — 11% of ByteDance's bank and 33% of Zenefits's. Focus on the overlap first, then drill into 57 ByteDance-only and 14 Zenefits-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 ByteDance and Zenefits.
Step 2 — Company-specific depth: Add ByteDance-specific problems like Remove Duplicate Letters, Smallest Subsequence of Distinct Characters, First Day Where You Have Been in All the Rooms and Zenefits-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zenefits 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 ByteDance and Zenefits.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Course Schedule | Medium |
| Trapping Rain Water | Hard |
| Shortest Distance from All Buildings | Hard |
| Valid Parentheses | Easy |
| Sliding Window Maximum | Hard |
Unique to ByteDance (57)
Problems in ByteDance's list that do not appear at Zenefits.
| Problem | Difficulty |
|---|---|
| Remove Duplicate Letters | Medium |
| Smallest Subsequence of Distinct Characters | Medium |
| First Day Where You Have Been in All the Rooms | Medium |
| Combination Sum | Medium |
| Basic Calculator II | Medium |
| Merge Intervals | Medium |
| Shortest Bridge | Medium |
| House Robber | Medium |
| Maximal Square | Medium |
| Regular Expression Matching | Hard |
| Top K Frequent Elements | Medium |
| Design Memory Allocator | Medium |
Unique to Zenefits (14)
Problems in Zenefits's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Median of Two Sorted Arrays | Hard |
| Graph Valid Tree | Medium |
| Reverse Linked List | Easy |
| Course Schedule II | Medium |
| Generate Parentheses | Medium |
| Min Stack | Medium |
| Majority Element II | Medium |
| Excel Sheet Column Title | Easy |
| Majority Element | Easy |
| Convert Sorted List to Binary Search Tree | Medium |
| N-Queens II | Hard |
| Valid Palindrome | Easy |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Zenefits share?
ByteDance and Zenefits share 7 LeetCode interview questions. 57 problems appear only in ByteDance's list and 14 appear only in Zenefits's list.
What topics overlap most between ByteDance and Zenefits?
The most common shared topics between ByteDance and Zenefits are Array (4 shared questions), Breadth-First Search (3 shared questions), Depth-First Search (2 shared questions), Matrix (2 shared questions), Stack (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Zenefits?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Zenefits has 5 Easy, 11 Medium, and 5 Hard questions. Zenefits has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Zenefits?
Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 14 Zenefits-specific questions to round out your prep.