American Express vs Salesforce Interview Questions
American Express lists 23 LeetCode interview questions while Salesforce lists 188. They share 4 problems — 17% of American Express's bank and 2% of Salesforce's. Focus on the overlap first, then drill into 19 American Express-only and 184 Salesforce-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 Salesforce.
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 Salesforce-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Salesforce 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 Salesforce.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| 3Sum | Medium |
Unique to American Express (19)
Problems in American Express's list that do not appear at Salesforce.
Unique to Salesforce (184)
Problems in Salesforce's list that do not appear at American Express.
Frequently Asked Questions
How many LeetCode questions do American Express and Salesforce share?
American Express and Salesforce share 4 LeetCode interview questions. 19 problems appear only in American Express's list and 184 appear only in Salesforce's list.
What topics overlap most between American Express and Salesforce?
The most common shared topics between American Express and Salesforce are Array (3 shared questions), Hash Table (2 shared questions), String (1 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 Salesforce?
American Express has 8 Easy, 12 Medium, and 3 Hard questions. Salesforce has 25 Easy, 112 Medium, and 51 Hard questions. Salesforce has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both American Express and Salesforce?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 19 American Express-specific and 20 Salesforce-specific questions to round out your prep.