Part 2: UnrollWrite a function called unroll, which takes in a square array of arrays (i.e. a grid with nrows and n columns). An input could look like this:const square = [[1, 2, 3, 4],[5, 6, 7, 8],];[9, 10, 11, 12],[13, 14, 15, 16]unroll should take in such a square array and return a single array containing the values inthe square. You should obtain the values by traversing the square in a spiral: from the top-left corner, move all the way to the right, then all the way down, then all the way to the left,then all the way up, and repeat.For the above example, unroll should return [1, 2, 3, 4, 8, 12, 16, 15, 14, 13,9, 5, 6, 7, 11, 10].

Part 2: Unroll Write a function called unroll, which takes in a square array of arrays (i.e. a grid wit rows and n columns). An input could look like this: Iconst square = [ [1, 2, 3, 4], [5, 6, 7, 8], [9 10 11. 121

Part 2: Unroll Write a function called unroll, which takes in a square array of arrays (i.e. a grid wit rows and n columns). An input could look like this: Iconst square = [ [1, 2, 3, 4], [5, 6, 7, 8], [9 10 11. 121

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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See images attached, C++, function file, main file, header file needed.
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