eBay vs TikTok Interview Questions
eBay lists 62 LeetCode interview questions while TikTok lists 351. They share 37 problems — 60% of eBay's bank and 11% of TikTok's. Focus on the overlap first, then drill into 25 eBay-only and 314 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 37 overlapping problems first. These are the highest-yield questions for candidates interviewing at both eBay and TikTok.
Step 2 — Company-specific depth: Add eBay-specific problems like Remove One Element to Make the Array Strictly Increasing, Alternating Digit Sum, Binary Gap and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: eBay skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
37 Shared Questions
High-priority problems to practice for both eBay and TikTok.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Partition Equal Subset Sum | Medium |
| Two Sum | Easy |
| Spiral Matrix | Medium |
| Top K Frequent Elements | Medium |
| Open the Lock | Medium |
| Number of Islands | Medium |
| Word Ladder | Hard |
| Pow(x, n) | Medium |
| Merge Intervals | Medium |
| Valid Palindrome II | Easy |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Longest Palindromic Substring | Medium |
| Matchsticks to Square | Medium |
| Time Based Key-Value Store | Medium |
| Group Anagrams | Medium |
| 3Sum | Medium |
| Rotting Oranges | Medium |
| Kth Largest Element in an Array | Medium |
| Sort Colors | Medium |
| Shortest Unsorted Continuous Subarray | Medium |
| Word Search | Medium |
| Maximal Square | Medium |
| Jump Game II | Medium |
| Reorganize String | Medium |
| Concatenated Words | Hard |
| Generate Parentheses | Medium |
| Find Peak Element | Medium |
| Merge k Sorted Lists | Hard |
Showing top 30 of 37 shared problems.
Unique to eBay (25)
Problems in eBay's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Remove One Element to Make the Array Strictly Increasing | Easy |
| Alternating Digit Sum | Easy |
| Binary Gap | Easy |
| Minimize Maximum Pair Sum in Array | Medium |
| Minimum Window Subsequence | Hard |
| Design Skiplist | Hard |
| Subtree of Another Tree | Easy |
| Binary Tree Cameras | Hard |
| Set Matrix Zeroes | Medium |
| Reverse Pairs | Hard |
| Sort Array By Parity | Easy |
| Interleaving String | Medium |
Unique to TikTok (314)
Problems in TikTok's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Longest Increasing Subsequence | Medium |
| Number of Distinct Islands | Medium |
| Meeting Rooms II | Medium |
| Course Schedule II | Medium |
| Trapping Rain Water | Hard |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| N-Queens | Hard |
| Minimum Window Substring | Hard |
| Search in Rotated Sorted Array | Medium |
| Subarray Sum Equals K | Medium |
| Minimum Swaps to Group All 1's Together | Medium |
Frequently Asked Questions
How many LeetCode questions do eBay and TikTok share?
eBay and TikTok share 37 LeetCode interview questions. 25 problems appear only in eBay's list and 314 appear only in TikTok's list.
What topics overlap most between eBay and TikTok?
The most common shared topics between eBay and TikTok are Array (19 shared questions), String (11 shared questions), Sorting (9 shared questions), Hash Table (8 shared questions), Dynamic Programming (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or TikTok?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. eBay has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and TikTok?
Start with the 37 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 20 TikTok-specific questions to round out your prep.