American Express vs Yelp Interview Questions
American Express lists 23 LeetCode interview questions while Yelp lists 27. They share 4 problems — 17% of American Express's bank and 15% of Yelp's. Focus on the overlap first, then drill into 19 American Express-only and 23 Yelp-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 American Express and Yelp.
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 Yelp-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Yelp 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 American Express and Yelp.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Valid Anagram | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Longest Common Prefix | Easy |
Unique to American Express (19)
Problems in American Express's list that do not appear at Yelp.
Unique to Yelp (23)
Problems in Yelp's list that do not appear at American Express.
Frequently Asked Questions
How many LeetCode questions do American Express and Yelp share?
American Express and Yelp share 4 LeetCode interview questions. 19 problems appear only in American Express's list and 23 appear only in Yelp's list.
What topics overlap most between American Express and Yelp?
The most common shared topics between American Express and Yelp are Hash Table (3 shared questions), String (3 shared questions), Array (2 shared questions), Sorting (1 shared questions), Sliding Window (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: American Express or Yelp?
American Express has 8 Easy, 12 Medium, and 3 Hard questions. Yelp has 7 Easy, 15 Medium, and 5 Hard questions. Yelp has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both American Express and Yelp?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 19 American Express-specific and 20 Yelp-specific questions to round out your prep.