eBay vs TCS Interview Questions
eBay lists 62 LeetCode interview questions while TCS lists 228. They share 25 problems — 40% of eBay's bank and 11% of TCS's. Focus on the overlap first, then drill into 37 eBay-only and 203 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 25 overlapping problems first. These are the highest-yield questions for candidates interviewing at both eBay and TCS.
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 TCS-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
25 Shared Questions
High-priority problems to practice for both eBay and TCS.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Partition Equal Subset Sum | Medium |
| Two Sum | Easy |
| Spiral Matrix | Medium |
| Top K Frequent Elements | Medium |
| Number of Islands | Medium |
| Word Ladder | Hard |
| Pow(x, n) | Medium |
| Set Matrix Zeroes | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Longest Palindromic Substring | Medium |
| Group Anagrams | Medium |
| Sort Array By Parity | Easy |
| 3Sum | Medium |
| Rotting Oranges | Medium |
| Sort Colors | Medium |
| Jump Game II | Medium |
| Generate Parentheses | Medium |
| Repeated Substring Pattern | Easy |
| Merge k Sorted Lists | Hard |
| Best Time to Buy and Sell Stock II | Medium |
| Palindrome Linked List | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Product of Array Except Self | Medium |
Unique to eBay (37)
Problems in eBay's list that do not appear at TCS.
| 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 |
| Open the Lock | Medium |
| Binary Tree Cameras | Hard |
| Reverse Pairs | Hard |
| Valid Palindrome II | Easy |
| Course Schedule | Medium |
Unique to TCS (203)
Problems in TCS's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Palindrome Number | Easy |
| Maximum Subarray | Medium |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
| Subarray Sum Equals K | Medium |
Frequently Asked Questions
How many LeetCode questions do eBay and TCS share?
eBay and TCS share 25 LeetCode interview questions. 37 problems appear only in eBay's list and 203 appear only in TCS's list.
What topics overlap most between eBay and TCS?
The most common shared topics between eBay and TCS are Array (15 shared questions), Hash Table (7 shared questions), String (7 shared questions), Sorting (6 shared questions), Dynamic Programming (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or TCS?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. eBay has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and TCS?
Start with the 25 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 20 TCS-specific questions to round out your prep.