Coupang vs Infosys Interview Questions
Coupang lists 49 LeetCode interview questions while Infosys lists 105. They share 6 problems — 12% of Coupang's bank and 6% of Infosys's. Focus on the overlap first, then drill into 43 Coupang-only and 99 Infosys-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Coupang and Infosys.
Step 2 — Company-specific depth: Add Coupang-specific problems like Word Break, Decode String, LFU Cache and Infosys-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
6 Shared Questions
High-priority problems to practice for both Coupang and Infosys.
| Problem | Difficulty |
|---|---|
| Subsets | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Single Element in a Sorted Array | Medium |
| Group Anagrams | Medium |
| Kth Largest Element in an Array | Medium |
Unique to Coupang (43)
Problems in Coupang's list that do not appear at Infosys.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Decode String | Medium |
| LFU Cache | Hard |
| Longest Substring with At Most K Distinct Characters | Medium |
| LRU Cache | Medium |
| Split BST | Medium |
| Range Module | Hard |
| Find Pivot Index | Easy |
| Course Schedule | Medium |
| Design In-Memory File System | Hard |
| Unique Paths II | Medium |
| Design Twitter | Medium |
Unique to Infosys (99)
Problems in Infosys's list that do not appear at Coupang.
Frequently Asked Questions
How many LeetCode questions do Coupang and Infosys share?
Coupang and Infosys share 6 LeetCode interview questions. 43 problems appear only in Coupang's list and 99 appear only in Infosys's list.
What topics overlap most between Coupang and Infosys?
The most common shared topics between Coupang and Infosys are Array (5 shared questions), Hash Table (2 shared questions), String (2 shared questions), Sorting (2 shared questions), Backtracking (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Coupang or Infosys?
Coupang has 2 Easy, 33 Medium, and 14 Hard questions. Infosys has 32 Easy, 57 Medium, and 16 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Coupang and Infosys?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 Coupang-specific and 20 Infosys-specific questions to round out your prep.