DSA in Python - Rotate String | s+s Substring Trick (O(n)) | Part 222 [Hindi]

📘 Welcome to Part 222 of Code & Debug’s DSA in Python Course!

In this quick strings pattern, check if goal is a rotation of s. The optimal idea is elegant: every rotation of s appears as a substring of s+s, so rotation reduces to a length check plus a substring search. This avoids simulating rotations and works in linear time.

🔗 LeetCode – Rotate String:
https://leetcode.com/problems/rotate-string/description/

🔗 Companion Reading (Step-by-step with code):
https://codeanddebug.in/blog/rotate-string/

📄 FULL Playlist Sheet (All Videos in Order):
https://docs.google.com/spreadsheets/d/1AWE15Fy3wD2iqu2vjK_R7cCiuvSsjYQclcdZmHpF66o/edit?usp=sharing

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https://codeanddebug.in/course/master-dsa-with-leetcode

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https://codeanddebug.in/course/zero-to-hero-python-dsa

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