ByteDance vs Zepto Interview Questions
ByteDance lists 64 LeetCode interview questions while Zepto lists 24. They share 10 problems — 16% of ByteDance's bank and 42% of Zepto's. Focus on the overlap first, then drill into 54 ByteDance-only and 14 Zepto-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Zepto.
Step 2 — Company-specific depth: Add ByteDance-specific problems like LRU Cache, Remove Duplicate Letters, Smallest Subsequence of Distinct Characters and Zepto-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
10 Shared Questions
High-priority problems to practice for both ByteDance and Zepto.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Search in Rotated Sorted Array | Medium |
| Rotting Oranges | Medium |
| Decode String | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Kth Largest Element in an Array | Medium |
| Longest Repeating Character Replacement | Medium |
| Find Peak Element | Medium |
| Sliding Window Maximum | Hard |
Unique to ByteDance (54)
Problems in ByteDance's list that do not appear at Zepto.
| 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 |
| Course Schedule | Medium |
| Combination Sum | Medium |
| Basic Calculator II | Medium |
| Shortest Bridge | Medium |
| House Robber | Medium |
| Maximal Square | Medium |
| Regular Expression Matching | Hard |
| Top K Frequent Elements | Medium |
Unique to Zepto (14)
Problems in Zepto's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Longest Univalue Path | Medium |
| Longest Consecutive Sequence | Medium |
| Minimum Cost For Tickets | Medium |
| Path Sum III | Medium |
| Next Permutation | Medium |
| Make Array Empty | Hard |
| Koko Eating Bananas | Medium |
| Maximum Width Ramp | Medium |
| Find the Distance Value Between Two Arrays | Easy |
| Count Sub Islands | Medium |
| Unique Paths II | Medium |
| Divide Two Integers | Medium |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Zepto share?
ByteDance and Zepto share 10 LeetCode interview questions. 54 problems appear only in ByteDance's list and 14 appear only in Zepto's list.
What topics overlap most between ByteDance and Zepto?
The most common shared topics between ByteDance and Zepto are Array (7 shared questions), String (3 shared questions), Sliding Window (3 shared questions), Breadth-First Search (2 shared questions), Matrix (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Zepto?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Zepto has 1 Easy, 21 Medium, and 2 Hard questions. ByteDance has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Zepto?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 14 Zepto-specific questions to round out your prep.