Coupang vs TCS Interview Questions
Coupang lists 49 LeetCode interview questions while TCS lists 228. They share 13 problems — 27% of Coupang's bank and 6% of TCS's. Focus on the overlap first, then drill into 36 Coupang-only and 215 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Coupang and TCS.
Step 2 — Company-specific depth: Add Coupang-specific problems like Word Break, Decode String, LFU Cache and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Coupang skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
13 Shared Questions
High-priority problems to practice for both Coupang and TCS.
| Problem | Difficulty |
|---|---|
| Subsets | Medium |
| LRU Cache | Medium |
| Find Pivot Index | Easy |
| Unique Paths II | Medium |
| Unique Paths | Medium |
| Regular Expression Matching | Hard |
| Find K Closest Elements | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Single Element in a Sorted Array | Medium |
| Search a 2D Matrix | Medium |
| Sliding Window Maximum | Hard |
| Group Anagrams | Medium |
Unique to Coupang (36)
Problems in Coupang's list that do not appear at TCS.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Decode String | Medium |
| LFU Cache | Hard |
| Longest Substring with At Most K Distinct Characters | Medium |
| Split BST | Medium |
| Range Module | Hard |
| Course Schedule | Medium |
| Design In-Memory File System | Hard |
| Design Twitter | Medium |
| Shopping Offers | Medium |
| Longest Repeating Substring | Medium |
| Possible Bipartition | Medium |
Unique to TCS (215)
Problems in TCS's list that do not appear at Coupang.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Two Sum | Easy |
| Longest Palindromic Substring | 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 |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
Frequently Asked Questions
How many LeetCode questions do Coupang and TCS share?
Coupang and TCS share 13 LeetCode interview questions. 36 problems appear only in Coupang's list and 215 appear only in TCS's list.
What topics overlap most between Coupang and TCS?
The most common shared topics between Coupang and TCS are Array (9 shared questions), Hash Table (3 shared questions), Dynamic Programming (3 shared questions), Matrix (3 shared questions), String (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Coupang or TCS?
Coupang has 2 Easy, 33 Medium, and 14 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Coupang and TCS?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 20 Coupang-specific and 20 TCS-specific questions to round out your prep.