American Express vs SAP Interview Questions
American Express lists 23 LeetCode interview questions while SAP lists 42. They share 4 problems — 17% of American Express's bank and 10% of SAP's. Focus on the overlap first, then drill into 19 American Express-only and 38 SAP-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 SAP.
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 SAP-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: SAP 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 SAP.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
Unique to American Express (19)
Problems in American Express's list that do not appear at SAP.
Unique to SAP (38)
Problems in SAP's list that do not appear at American Express.
| Problem | Difficulty |
|---|---|
| Movie Rating | Medium |
| Maximum Path Quality of a Graph | Hard |
| Count the Number of Infection Sequences | Hard |
| Count Increasing Quadruplets | Hard |
| Maximum Students Taking Exam | Hard |
| Container With Most Water | Medium |
| Valid Parentheses | Easy |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Maximum Subarray | Medium |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
Frequently Asked Questions
How many LeetCode questions do American Express and SAP share?
American Express and SAP share 4 LeetCode interview questions. 19 problems appear only in American Express's list and 38 appear only in SAP's list.
What topics overlap most between American Express and SAP?
The most common shared topics between American Express and SAP are Array (3 shared questions), Hash Table (2 shared questions), String (2 shared questions), Sliding Window (1 shared questions), Dynamic Programming (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: American Express or SAP?
American Express has 8 Easy, 12 Medium, and 3 Hard questions. SAP has 14 Easy, 21 Medium, and 7 Hard questions. SAP has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both American Express and SAP?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 19 American Express-specific and 20 SAP-specific questions to round out your prep.