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Whirlpool

There are 9 members in form of Matrix with number 1-9. Return all Member elements in spiral order. Given, an m * n matrix. **Example 1** ![](https://i.postimg.cc/tgbXzLvT/spiral1.jpg) Input: matrix = [[1,2,3],[4,5,6],[7,8,9]] Output: [1,2,3,6,9,8,7,4,5] **Example 2** ![](https://assets.leetcode.com/uploads/2020/11/13/spiral.jpg) Input: matrix = [[1,2,3,4],[5,6,7,8],[9,10,11,12]] Output: [

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solution.cppC++17

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