American Express vs Samsung Interview Questions
American Express lists 23 LeetCode interview questions while Samsung lists 65. They share 6 problems — 26% of American Express's bank and 9% of Samsung's. Focus on the overlap first, then drill into 17 American Express-only and 59 Samsung-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 American Express and Samsung.
Step 2 — Company-specific depth: Add American Express-specific problems like Minimum Deletions to Make Character Frequencies Unique, Maximum Equal Frequency, Divide an Array Into Subarrays With Minimum Cost II and Samsung-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Samsung 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 American Express and Samsung.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Best Time to Buy and Sell Stock | Easy |
| 3Sum | Medium |
| Rotate Array | Medium |
| Permutations | Medium |
| Longest Common Prefix | Easy |
Unique to American Express (17)
Problems in American Express's list that do not appear at Samsung.
Unique to Samsung (59)
Problems in Samsung's list that do not appear at American Express.
Frequently Asked Questions
How many LeetCode questions do American Express and Samsung share?
American Express and Samsung share 6 LeetCode interview questions. 17 problems appear only in American Express's list and 59 appear only in Samsung's list.
What topics overlap most between American Express and Samsung?
The most common shared topics between American Express and Samsung are Array (6 shared questions), Two Pointers (2 shared questions), Hash Table (1 shared questions), Dynamic Programming (1 shared questions), Sorting (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: American Express or Samsung?
American Express has 8 Easy, 12 Medium, and 3 Hard questions. Samsung has 12 Easy, 36 Medium, and 17 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both American Express and Samsung?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 17 American Express-specific and 20 Samsung-specific questions to round out your prep.