Day 2 | Reverse String | Two-Pointer Approach | Java |
💻 Welcome to Day 2 of my #100DaysOfDSA Challenge!
🧠 Problem: Reverse String
📘 Platform: LeetCode #344
⚙️ Concept: Two-Pointer Approach
💬 Language: Java
🔍 Approach Summary:
Use two pointers, one starting from the beginning and one from the end.
Swap characters until both pointers meet in the middle.
This achieves O(n) time and O(1) space.
⏱ Complexity:
Time: O(n)
Space: O(1)
🎯 Goal:
Learning DSA daily by solving and uploading one problem at a time
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