Apple Coding Questions - DSA Problems & Solutions

Company Overview

This page contains Apple coding questions from Apple OA placement papers with detailed solutions.

Coding Focus

Apple OA coding section includes 2 problems focusing on DSA. Master arrays, trees, graphs, and dynamic programming to succeed.

Apple Coding Questions Overview

Apple OA Coding Section:

• Problems: 2 coding problems
• Time: 60 minutes
• Languages: Swift, C++, Python, Objective-C

Coding Problems

Question 1: Two Sum

Q1: Find indices of two numbers that add up to target.

Solution (Swift):

func twoSum(_ nums: [Int], _ target: Int) -> [Int] {
    var map: [Int: Int] = [:]
    for (index, num) in nums.enumerated() {
        let complement = target - num
        if let complementIndex = map[complement] {
            return [complementIndex, index]
        }
        map[num] = index
    }
    return []
}

Time Complexity: O(n)

Related Resources

Apple 2024 Papers

Previous year papers with coding questions

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Apple Main Page

Complete Apple placement guide

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