American Express vs Google Interview Questions
American Express lists 23 LeetCode interview questions while Google lists 2,305. They share 15 problems — 65% of American Express's bank and 1% of Google's. Focus on the overlap first, then drill into 8 American Express-only and 2,290 Google-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 15 overlapping problems first. These are the highest-yield questions for candidates interviewing at both American Express and Google.
Step 2 — Company-specific depth: Add American Express-specific problems like Maximum Equal Frequency, Minimum Number of Operations to Make Array XOR Equal to K, Maximize the Topmost Element After K Moves and Google-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Google skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
15 Shared Questions
High-priority problems to practice for both American Express and Google.
Unique to American Express (8)
Problems in American Express's list that do not appear at Google.
Unique to Google (2,290)
Problems in Google's list that do not appear at American Express.
| Problem | Difficulty |
|---|---|
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Palindrome Number | Easy |
| Merge Sorted Array | Easy |
| Create Hello World Function | Easy |
| Merge Strings Alternately | Easy |
| Longest Palindromic Substring | Medium |
| Longest Consecutive Sequence | Medium |
| Container With Most Water | Medium |
| Recyclable and Low Fat Products | Easy |
| Valid Parentheses | Easy |
Frequently Asked Questions
How many LeetCode questions do American Express and Google share?
American Express and Google share 15 LeetCode interview questions. 8 problems appear only in American Express's list and 2290 appear only in Google's list.
What topics overlap most between American Express and Google?
The most common shared topics between American Express and Google are Array (9 shared questions), Hash Table (7 shared questions), String (5 shared questions), Sorting (4 shared questions), Two Pointers (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: American Express or Google?
American Express has 8 Easy, 12 Medium, and 3 Hard questions. Google has 601 Easy, 1205 Medium, and 499 Hard questions. Google has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both American Express and Google?
Start with the 15 shared problems since they cover what both companies ask most often. Then add 8 American Express-specific and 20 Google-specific questions to round out your prep.