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Apple Interview Questions

Curated technical problems, DSA questions & coding interview rounds

Target Role

Software Engineer (SDE I / II)

Problem Count

14+ Verified

Assessment Type

DSA & System Design

Preparation Mode

Live AI Interactive

LRU Cache

MEDIUM
45% Acceptance100% Frequency
Hash Table
Linked List
Design
Doubly-Linked List

Best Time to Buy and Sell Stock

EASY
55% Acceptance93% Frequency
Array
Dynamic Programming

Top K Frequent Elements

MEDIUM
65% Acceptance88% Frequency
Array
Hash Table
Divide and Conquer
Sorting
Heap (Priority Queue)
+3 more

Best Time to Buy and Sell Stock II

MEDIUM
70% Acceptance83% Frequency
Array
Dynamic Programming
Greedy

Longest Common Prefix

EASY
45% Acceptance76% Frequency
String
Trie

Maximum Subarray

MEDIUM
52% Acceptance66% Frequency
Array
Divide and Conquer
Dynamic Programming

Best Time to Buy and Sell Stock III

HARD
51% Acceptance66% Frequency
Array
Dynamic Programming

Kth Largest Element in an Array

MEDIUM
68% Acceptance66% Frequency
Array
Divide and Conquer
Sorting
Heap (Priority Queue)
Quickselect

Merge k Sorted Lists

HARD
57% Acceptance66% Frequency
Linked List
Divide and Conquer
Heap (Priority Queue)
Merge Sort

Number of Islands

MEDIUM
62% Acceptance66% Frequency
Array
Depth-First Search
Breadth-First Search
Union Find
Matrix

Rotate Image

MEDIUM
78% Acceptance66% Frequency
Array
Math
Matrix

Best Time to Buy and Sell Stock IV

HARD
47% Acceptance66% Frequency
Array
Dynamic Programming

Merge Intervals

MEDIUM
49% Acceptance66% Frequency
Array
Sorting

Valid Parentheses

EASY
42% Acceptance66% Frequency
String
Stack

How to Prepare for Apple Technical Interviews

1. Master High Frequency DSA

Review the top questions asked in Apple coding rounds over the past 3-6 months. Focus on core patterns including Arrays, Hash Tables, Trees, Dynamic Programming, and Graph Traversals.

2. Practice with AI Voice Mock Interviews

Simulate real pressure by practicing voice and video interview loops on Voke with AI calibrated specifically for Apple engineering standards and behavioral rubrics.