Two Sum II | LeetCode 167 | Two Pointers | Java | Easy Explanation
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Two Sum II | LeetCode 167 | Two Pointers | Java | Easy Explanation
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In this video, we solve LeetCode 167 – Two Sum II: Input Array Is Sorted using the Two Pointer approach in Java.
We’ll understand the problem step by step and learn how to efficiently find two numbers in a sorted array that add up to the given target.
🔹 Problem: Two Sum II - Input Array Is Sorted
🔹 LeetCode: #167
🔹 Language: Java
🔹 Approach: Two Pointers
🔹 Difficulty: Medium
What you'll learn:
✅ Two Pointer technique
✅ Why a sorted array helps
✅ How to move the left and right pointers
✅ How to find the target efficiently
✅ Writing clean and optimized Java code
✅ Step-by-step dry run and explanation
⏱️ Time Complexity: O(n)
💾 Space Complexity: O(1)
This is an important Two Pointer pattern question for coding interviews and DSA preparation.
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