Apple vs Visa Interview Questions
Apple lists 300 LeetCode interview questions while Visa lists 146. They share 73 problems — 24% of Apple's bank and 50% of Visa's. Focus on the overlap first, then drill into 227 Apple-only and 73 Visa-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 73 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Visa.
Step 2 — Company-specific depth: Add Apple-specific problems like Design Hit Counter, Valid Sudoku, Course Schedule II and Visa-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
73 Shared Questions
High-priority problems to practice for both Apple and Visa.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Reverse Linked List | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Course Schedule | Medium |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Product of Array Except Self | Medium |
| Valid Palindrome | Easy |
| Rotate Image | Medium |
| Reverse Words in a String | Medium |
| Kth Largest Element in an Array | Medium |
| Spiral Matrix | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| Maximum Subarray | Medium |
| Meeting Rooms II | Medium |
| Trapping Rain Water | Hard |
| Subarray Sum Equals K | Medium |
| Median of Two Sorted Arrays | Hard |
| Merge Two Sorted Lists | Easy |
| Find Median from Data Stream | Hard |
| Word Ladder | Hard |
| Merge Sorted Array | Easy |
| Word Break | Medium |
Showing top 30 of 73 shared problems.
Unique to Apple (227)
Problems in Apple's list that do not appear at Visa.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| Valid Sudoku | Medium |
| Course Schedule II | Medium |
| Reverse Integer | Medium |
| Merge k Sorted Lists | Hard |
| Time Based Key-Value Store | Medium |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Subarray Product Less Than K | Medium |
| Reverse Bits | Easy |
| Find First and Last Position of Element in Sorted Array | Medium |
| Snapshot Array | Medium |
| Design Circular Queue | Medium |
Unique to Visa (73)
Problems in Visa's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Visa share?
Apple and Visa share 73 LeetCode interview questions. 227 problems appear only in Apple's list and 73 appear only in Visa's list.
What topics overlap most between Apple and Visa?
The most common shared topics between Apple and Visa are Array (20 shared questions), Hash Table (8 shared questions), String (8 shared questions), Sorting (7 shared questions), Two Pointers (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Visa?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Visa has 32 Easy, 92 Medium, and 22 Hard questions. Apple has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Visa?
Start with the 73 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 Visa-specific questions to round out your prep.