ByteDance vs Zeta Interview Questions
ByteDance lists 64 LeetCode interview questions while Zeta lists 30. They share 8 problems — 13% of ByteDance's bank and 27% of Zeta's. Focus on the overlap first, then drill into 56 ByteDance-only and 22 Zeta-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Zeta.
Step 2 — Company-specific depth: Add ByteDance-specific problems like LRU Cache, Remove Duplicate Letters, Smallest Subsequence of Distinct Characters and Zeta-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zeta skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
8 Shared Questions
High-priority problems to practice for both ByteDance and Zeta.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| House Robber | Medium |
| Trapping Rain Water | Hard |
| Maximum Subarray | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Remove K Digits | Medium |
| Sliding Window Maximum | Hard |
Unique to ByteDance (56)
Problems in ByteDance's list that do not appear at Zeta.
| 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 Zeta (22)
Problems in Zeta's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Apply Operations to Make Two Strings Equal | Medium |
| Split Array Largest Sum | Hard |
| Minimum Window Substring | Hard |
| Capacity To Ship Packages Within D Days | Medium |
| Palindrome Partitioning II | Hard |
| Task Scheduler | Medium |
| Remove Boxes | Hard |
| Next Greater Element II | Medium |
| Reverse Nodes in k-Group | Hard |
| Maximal Rectangle | Hard |
| Count Univalue Subtrees | Medium |
| Heaters | Medium |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Zeta share?
ByteDance and Zeta share 8 LeetCode interview questions. 56 problems appear only in ByteDance's list and 22 appear only in Zeta's list.
What topics overlap most between ByteDance and Zeta?
The most common shared topics between ByteDance and Zeta are Array (6 shared questions), Dynamic Programming (3 shared questions), Stack (2 shared questions), Monotonic Stack (2 shared questions), Hash Table (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Zeta?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Zeta has 0 Easy, 20 Medium, and 10 Hard questions. Zeta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Zeta?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 Zeta-specific questions to round out your prep.