Apple vs Morgan Stanley Interview Questions
Apple lists 300 LeetCode interview questions while Morgan Stanley lists 60. They share 28 problems — 9% of Apple's bank and 47% of Morgan Stanley's. Focus on the overlap first, then drill into 272 Apple-only and 32 Morgan Stanley-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 28 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Morgan Stanley.
Step 2 — Company-specific depth: Add Apple-specific problems like Number of Islands, Design Hit Counter, Longest Common Prefix and Morgan Stanley-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Apple skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
28 Shared Questions
High-priority problems to practice for both Apple and Morgan Stanley.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Kth Largest Element in an Array | Medium |
| Spiral Matrix | Medium |
| Maximum Subarray | Medium |
| Meeting Rooms II | Medium |
| 3Sum | Medium |
| Longest Consecutive Sequence | Medium |
| First Unique Character in a String | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Remove Nth Node From End of List | Medium |
| Longest Palindromic Substring | Medium |
| Container With Most Water | Medium |
| Generate Parentheses | Medium |
| Jump Game | Medium |
| Coin Change | Medium |
| Word Search | Medium |
| Sort Colors | Medium |
| Reorder List | Medium |
| Next Greater Element II | Medium |
| Sum of Subarray Minimums | Medium |
| Copy List with Random Pointer | Medium |
| Longest Common Subsequence | Medium |
Unique to Apple (272)
Problems in Apple's list that do not appear at Morgan Stanley.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Design Hit Counter | Medium |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Reverse Linked List | Easy |
| Valid Sudoku | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Valid Parentheses | Easy |
| Product of Array Except Self | Medium |
| Valid Palindrome | Easy |
| Rotate Image | Medium |
Unique to Morgan Stanley (32)
Problems in Morgan Stanley's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Morgan Stanley share?
Apple and Morgan Stanley share 28 LeetCode interview questions. 272 problems appear only in Apple's list and 32 appear only in Morgan Stanley's list.
What topics overlap most between Apple and Morgan Stanley?
The most common shared topics between Apple and Morgan Stanley are Array (19 shared questions), Hash Table (8 shared questions), Dynamic Programming (8 shared questions), Two Pointers (8 shared questions), Sorting (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Morgan Stanley?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Morgan Stanley has 13 Easy, 40 Medium, and 7 Hard questions. Apple has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Morgan Stanley?
Start with the 28 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 Morgan Stanley-specific questions to round out your prep.