C++ How to Program (10th Edition)
C++ How to Program (10th Edition)
10th Edition
ISBN: 9780134448237
Author: Paul J. Deitel, Harvey Deitel
Publisher: PEARSON
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Chapter 7, Problem 7.6E

Exercises 7.6(Fill in the Blanks) Fill in the blanks in each of the following:

a) The names of the four elements of array p are ____, ____, ____ and ____.

b) Naming an array, stating its type and specifying the number of elements in the array is called ____ the array.

c) When accessing an array element, by convention, the first subscript in a two-dimensional array identifies an element's ____ and the second subscript identifies an element's ____.

d) An m-by-n array contains ____ rows, ____ columns and ____ elements.

e) The name of the element in row 3 and column 5 of array d is ____.

Expert Solution & Answer
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Program Plan Intro

Fill in the blanks for the given statements related to arrays.

Explanation of Solution

  1. Given statement: The names of the four elements of array p are p[0], p [1], p[2] and p[3].
  2. To refer to any single element of the array are, you need to specify the name of the array and its position. Positions of elements of a n-size array are indexed from n = 0 till n − 1. So four elements of array p will be p[0], p[1], p[2], and p[3].

  3. Naming an array, stating its type and specifying the number of elements in the array is called declaring the array.
  4. Declaration of array involved specifying the name of the array, along with its size and type. For example,

    double p[10]; //declaration

    This means an array of size 10, name p & type double has been declared.

  5. When accessing an array element, by convention, the first subscript in a two-dimensional array identifies an element’s row number , and the second subscript identifies an elements’ column number.
  6. An array comprises of rows & columns. The first subscript is row & second is column number. For example,

    double p[9][10]- means element in the 9th row & 10th Column

  7. An m-by-n array contains m rows, n columns and m*n elements.
  8. The size of an array is given as the product of its row & columns. Example, for array a[10][2]- the total number of elements will be 10*2=20 and it will have 10 rows and 12 columns.

  9. The name of the element in row 3 and column 5 of array d is d[3][5].
  10. Name of element includes row & column number- with row number followed by column number.

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