Leetcode rotation array

Table of contents

1. Topic

 1.1 Topic analysis:

1.2 Draw a picture to determine the subscript:

2. Code implementation:

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1. Topic:

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 1.1 Topic analysis:

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1.2 Draw a picture to determine the subscript:

     Take the number of array elements as 7 and rotate 3 times as an example.

 

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2. Code implementation: