Starting Out With C++: Early Objects, Student Value Edition (9th Edition)
9th Edition
ISBN: 9780134379319
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
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Chapter 8, Problem 33RQE
Program Plan Intro
Structure array:
The structure needs an array if the items need to be grouped together.
- Array is a “derived” data type and it contains similar elements.
- The array index starts with 0.
- If the size of the array is 4, then the index values are “0”, “1”, “2”, and “3”.
Syntax:
struct_name array_name[size];
Example:
Book name[20];
Explanation:
“Book” is a structure name, “name” is an array name, and the value “20” is the “size” of an array.
Algorithm to define an array of structure to hold 12 records about city population and read the data from the specified file “pop.dat” and store it in structure members.
- Define the structure Population.
- Declare the structure variables such as city name and its population.
- Declare an array of structure cntry to hold 12 records.
- Define the main function
- Declare a file stream object.
- Open the file “pop.dat” using the object.
- Using for loop,
- Read city name and its population from the file and store it in structure members.
- Close the file.
- Read city name and its population from the file and store it in structure members.
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Chapter 8 Solutions
Starting Out With C++: Early Objects, Student Value Edition (9th Edition)
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