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Leetcode 6. Zigzag Conversion

Arrange the characters of a string into a zigzag pattern across numRows and then read the rows sequentially to produce the converted string. The core challenge is grouping characters into the correct rows following a repeating cycle (period = 2*numRows-2) efficiently, with the edge case numRows=1.

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Oracle

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Early November, 2025

Oracle

Senior

https://leetcode.com/problems/zigzag-conversion/description/

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