in c++5. Assume you have given an array A[15][20]. Each element needs 'W' bytes of storage. Ifthe address of A[6][8] is 4440 and the base address at A[1][1] is 4000, find the width 'W'of each cell in the array A when the array is stored as Column Major Wise.

In this question, we are asked about how much storage (in bytes) we will require for each element.…

Answered: in c++ 5. Assume you have given an…

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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Computer Science Write a C++ program that declares the following 2 arrays: const int Rs = 8, Cs = 8; double arr[Rs][Cs]; double arr_quarter[Rs / 4][Cs / 4]; //fill in the array with some data for (int r = 0; r < Rs; r++) for (int c = 0; c < Cs; c++) arr[r][c] = r * 8 + c; Then: Print out the diagonal of arr Print out the anti-diagonal of arr Downsize arr by a factor of 4 (i.e. Rs/4 and Cs/4) and store the result in arr_quarter. Then print it out. Then upsize arr_quarter by a factor of four and store the result in arr and print it out. Expected output: Print Array: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Diagonal elements: 0 9 18 27 36 45 54 63 Anti-diagonal elements: 7 14 21 28 35 42 49 56 Downsize an array (quarter Rs and Cs): Print Array: 0 4 32 36 Upsize…
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c coding saw this in an intro to c text book, need help In this question you will write a function row_sums that accepts an n × m matrix and computes the sum of each of its rows and stores that data in an array. For example, the sums of the rows of the matrix 1 2 3 4 5 6 7 8 9 are [6, 15, 24]. The function will have four arguments: integers n and m corresponding to the dimensions of the matrix, matrix corresponding to the matrix data, and sums which will be an array where you store the row sums. You can assume that n and m are positive integers at most 10. Your function must have the following prototype: void row_sums(int n, int m, int matrix [][10] , int sums []); For consistency the argument matrix will always have 10 columns, but you must ignore all columns with indices greater than or equal to m or rows with indices greater than or equal to n. Demonstrate your function by initializing an example matrix in main, calling your row_sums function on that matrix, and then printing…

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in c++ 5. Assume you have given an array A[15][20]. Each element needs 'W' bytes of storage. If the address of A[6][8] is 4440 and the base address at A[1][1] is 4000, find the width 'W' of each cell in the array A when the array is stored as Column Major Wise.