Coupang vs Deloitte Interview Questions
Coupang lists 49 LeetCode interview questions while Deloitte lists 43. They share 4 problems — 8% of Coupang's bank and 9% of Deloitte's. Focus on the overlap first, then drill into 45 Coupang-only and 39 Deloitte-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Coupang and Deloitte.
Step 2 — Company-specific depth: Add Coupang-specific problems like Word Break, Subsets, Decode String and Deloitte-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
4 Shared Questions
High-priority problems to practice for both Coupang and Deloitte.
| Problem | Difficulty |
|---|---|
| Remove K Digits | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Group Anagrams | Medium |
| Kth Largest Element in an Array | Medium |
Unique to Coupang (45)
Problems in Coupang's list that do not appear at Deloitte.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Subsets | 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 |
Unique to Deloitte (39)
Problems in Deloitte's list that do not appear at Coupang.
| Problem | Difficulty |
|---|---|
| Merge k Sorted Lists | Hard |
| Two Sum | Easy |
| Change Null Values in a Table to the Previous Value | Medium |
| Second Highest Salary | Medium |
| Valid Parentheses | Easy |
| Longest Palindromic Substring | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
| Container With Most Water | Medium |
| Palindrome Number | Easy |
| Climbing Stairs | Easy |
| Valid Palindrome | Easy |
Frequently Asked Questions
How many LeetCode questions do Coupang and Deloitte share?
Coupang and Deloitte share 4 LeetCode interview questions. 45 problems appear only in Coupang's list and 39 appear only in Deloitte's list.
What topics overlap most between Coupang and Deloitte?
The most common shared topics between Coupang and Deloitte are String (3 shared questions), Hash Table (2 shared questions), Array (2 shared questions), Sorting (2 shared questions), Stack (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Coupang or Deloitte?
Coupang has 2 Easy, 33 Medium, and 14 Hard questions. Deloitte has 17 Easy, 23 Medium, and 3 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Coupang and Deloitte?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Coupang-specific and 20 Deloitte-specific questions to round out your prep.