LeetCode 1071 – Greatest Common Divisor of Strings | Math Trick Explained | Go Solution

Описание: In this video, we solve LeetCode 1071 – Greatest Common Divisor of Strings.

This problem looks like string manipulation on the surface — but the real solution is pure math. We break down the intuition, the key observation, and the clean Go implementation step by step.

⏱ CHAPTERS
0:00 – Hook & Introduction
0:16 – Visual Intuition (What is GCD of Strings?)
1:12 – Problem Statement
2:00 – Key Observation (The One-Line Insight)
3:27 – Why GCD Works Here
5:17 – Go Code Walkthrough
7:38 – How to Explain This in an Interview
8:22 – Edge Cases
9:01 – Closing Thoughts

🔗 LINKS
→ LeetCode Problem: https://leetcode.com/problems/greates...
→ Full Playlist:    • ⭐ Merge Strings Alternately | LeetCode 176...  

📌 WHAT YOU'LL LEARN
→ How to apply GCD to strings (not just numbers)
→ The concatenation equality trick that eliminates invalid cases
→ Clean Go implementation using Euclidean algorithm
→ Exactly how to explain this in a real interview

🛠 LANGUAGE USED
→ Go (Golang)

📅 NEW VIDEOS EVERY WEEK
→ DSA problems explained with full intuition + Go code
→ System Design concepts for backend engineers
→ Interview preparation tips

#leetcode #golang #dsa #codinginterview #backendengineering #gcd #stringproblems #leetcode1071 #backEnddecoded #softwareengineering

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Backend Decoded — DSA · System Design · Go