American Express vs Deutsche Bank Interview Questions
American Express lists 23 LeetCode interview questions while Deutsche Bank lists 21. They share 3 problems — 13% of American Express's bank and 14% of Deutsche Bank's. Focus on the overlap first, then drill into 20 American Express-only and 18 Deutsche Bank-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both American Express and Deutsche Bank.
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 Deutsche Bank-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Deutsche Bank skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
3 Shared Questions
High-priority problems to practice for both American Express and Deutsche Bank.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
Unique to American Express (20)
Problems in American Express's list that do not appear at Deutsche Bank.
Unique to Deutsche Bank (18)
Problems in Deutsche Bank's list that do not appear at American Express.
Frequently Asked Questions
How many LeetCode questions do American Express and Deutsche Bank share?
American Express and Deutsche Bank share 3 LeetCode interview questions. 20 problems appear only in American Express's list and 18 appear only in Deutsche Bank's list.
What topics overlap most between American Express and Deutsche Bank?
The most common shared topics between American Express and Deutsche Bank are Array (3 shared questions), Hash Table (1 shared questions), Dynamic Programming (1 shared questions), String (1 shared questions), Trie (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: American Express or Deutsche Bank?
American Express has 8 Easy, 12 Medium, and 3 Hard questions. Deutsche Bank has 7 Easy, 7 Medium, and 7 Hard questions. Deutsche Bank has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both American Express and Deutsche Bank?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 American Express-specific and 18 Deutsche Bank-specific questions to round out your prep.