American Express vs J P Morgan Interview Questions

American Express lists 23 LeetCode interview questions while J P Morgan lists 79. They share 4 problems — 17% of American Express's bank and 5% of J P Morgan's. Focus on the overlap first, then drill into 19 American Express-only and 75 J P Morgan-only questions.

Overview

American Express

23 questions

Easy 8Medium 12Hard 3
J P Morgan

79 questions

Easy 27Medium 47Hard 5

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 J P Morgan.

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 J P Morgan-specific problems from the exclusive lists below.

Step 3 — Difficulty tuning: American Express skews harder in our data. Budget extra time for Hard problems if you are targeting that company.

Difficulty Comparison

Easy
American Express
8
J P Morgan
27
Medium
American Express
12
J P Morgan
47
Hard
American Express
3
J P Morgan
5

Top Shared Topics

4 Shared Questions

High-priority problems to practice for both American Express and J P Morgan.

ProblemDifficulty
Two SumEasy
Longest Substring Without Repeating CharactersMedium
Best Time to Buy and Sell StockEasy
PermutationsMedium

Unique to American Express (19)

Problems in American Express's list that do not appear at J P Morgan.

ProblemDifficulty
Minimum Deletions to Make Character Frequencies UniqueMedium
Maximum Equal FrequencyHard
Divide an Array Into Subarrays With Minimum Cost IIHard
Minimum Number of Operations to Make Array XOR Equal to KMedium
Maximize the Topmost Element After K MovesMedium
Maximum XOR After OperationsMedium
Find a Value of a Mysterious Function Closest to TargetHard
Equal Sum Arrays With Minimum Number of OperationsMedium
Ugly Number IIIMedium
Percentage of Letter in StringEasy
Divide an Array Into Subarrays With Minimum Cost IEasy
Valid AnagramEasy

Unique to J P Morgan (75)

Problems in J P Morgan's list that do not appear at American Express.

ProblemDifficulty
Sort Integers by The Number of 1 BitsEasy
Reaching PointsHard
Least Number of Unique Integers after K RemovalsMedium
Minimum Suffix FlipsMedium
Remove Colored Pieces if Both Neighbors are the Same ColorMedium
Break a PalindromeMedium
Next PermutationMedium
Check Whether Two Strings are Almost EquivalentEasy
Minimum Absolute DifferenceEasy
Group AnagramsMedium
Numbers With Repeated DigitsHard
Determine Color of a Chessboard SquareEasy

Frequently Asked Questions

How many LeetCode questions do American Express and J P Morgan share?

American Express and J P Morgan share 4 LeetCode interview questions. 19 problems appear only in American Express's list and 75 appear only in J P Morgan's list.

What topics overlap most between American Express and J P Morgan?

The most common shared topics between American Express and J P Morgan 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 J P Morgan?

American Express has 8 Easy, 12 Medium, and 3 Hard questions. J P Morgan has 27 Easy, 47 Medium, and 5 Hard questions. American Express has a higher proportion of Hard problems in its interview set.

How should I prepare if interviewing at both American Express and J P Morgan?

Start with the 4 shared problems since they cover what both companies ask most often. Then add 19 American Express-specific and 20 J P Morgan-specific questions to round out your prep.

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