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