Find Pair with Given Difference in Java | Coding Interview Question Explained
Автор: Dev Domain
Загружено: 2025-09-03
Просмотров: 19
Описание:
Find Pair with Given Difference in Java | Coding Interview Question Explained
In this video, we solve the Find Pair with Given Difference problem in Java step-by-step. This is a popular coding interview question often asked in tech interviews to test your problem-solving and optimization skills.
🧠 Problem Statement:
Given an array of integers and a number k, find if there exists a pair (a, b) in the array such that:
|a - b| = k
📥 Example:
Input: [5, 20, 3, 2, 5, 80], k = 78
Output: true
📌 What You’ll Learn in This Video:
✔ Problem explanation and dry run
✔ Optimized approach using HashSet
✔ Time & Space Complexity analysis
✔ Complete Java solution for interviews
⏱️ Time Complexity:
Optimized Approach: O(N)
Space Complexity: O(N)
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