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LeetCode 1108: Defanging an IP Address Explained

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May 16, 2026
8:01

🚀 LeetCode 1108: Defanging an IP Address Explained Step by Step in C++ In this video, we solve the beginner-friendly LeetCode problem 1108. Defanging an IP Address using a simple and efficient string manipulation approach in C++. You’ll learn: ✅ How string traversal works ✅ How to replace characters efficiently ✅ Complete line-by-line C++ code explanation ✅ Time and Space Complexity analysis ✅ Beginner-friendly coding interview tips Problem Statement: Given a valid IPv4 address, return a defanged version of that IP address. A defanged IP address replaces every "." with "[.]". Example: Input: "192.168.0.1" Output: "192[.]168[.]0[.]1" Key Idea: Traverse each character of the string Replace "." with "[.]" Append normal characters directly to the result string Topics Covered: Strings String Manipulation LeetCode 1108 C++ STL Beginner DSA Problems Coding Interview Preparation This video is perfect for: Beginners learning DSA Students practicing LeetCode Easy problems C++ programmers Coding interview preparation String manipulation practice #leetcode #defanginganipaddress #leetcode1108 #cplusplus #dsa #strings #codinginterview #programming #algorithms #interviewprep

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LeetCode 1108: Defanging an IP Address Explained | NatokHD