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Computer Engineering
Prompts the user for 4 one-word items and their corresponding prices in US dollars Compute the total price and displays a well-formatted receipt using manipulators. Task 1 Sample Output: Enter names of 4 one-word (maximum 10 letters) items to purchase: Yogurt Apple Butter Bread Enter their prices in US Dollars (<= $1,000): 0.75 8.00 12.99 2.85

Prompts the user for 4 one-word items and their corresponding prices in US dollars Compute the total price and displays a well-formatted receipt using manipulators. Task 1 Sample Output: Enter names of 4 one-word (maximum 10 letters) items to purchase: Yogurt Apple Butter Bread Enter their prices in US Dollars (<= $1,000): 0.75 8.00 12.99 2.85

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Prompts the user for 4 one-word items and their corresponding prices in US dollars Compute the total price and displays a well-formatted receipt using manipulators. Task 1 Sample Output: Enter names of 4 one-word (maxmum 10 letters) iteme to purchase: Yogurt Apple Butter Bread Enter their prices in US Dollars (<= $1,000): 0.75 8,00 12.99 2.85 Receipt |Yogurt Apple Butter |Bread 14 0.75] 8.00] 12.991 2.851 14 +- ---+ TOTAL: $ 24.591 --+
Transcribed Image Text:Prompts the user for 4 one-word items and their corresponding prices in US dollars Compute the total price and displays a well-formatted receipt using manipulators. Task 1 Sample Output: Enter names of 4 one-word (maxmum 10 letters) iteme to purchase: Yogurt Apple Butter Bread Enter their prices in US Dollars (<= $1,000): 0.75 8,00 12.99 2.85 Receipt |Yogurt Apple Butter |Bread 14 0.75] 8.00] 12.991 2.851 14 +- ---+ TOTAL: $ 24.591 --+
The text output of a program should be well-formatted for readability as well as displaying numbers with the proper notation and precision levels. The default output formatting in C++ is often not desirable, so one can add explicit instructions to the cout stream. These manipulators and functions are defined in the <iomanip> library. O setw (n): set the width (number of characters) of the next item to be at least n. • If the next item width is less than n, then pad the item with extra spaces. • If the next item width is greater than n, then the entire next item is output. • left and right: when used in conjunction with setw (), justify the item to one side forcing the padding to the other side. Note that these manipulators are persistent, i.e. remains effective until the next change occurs. • fixed: use the fixed-point notation (the decimal point notation that we are familiar with) when displaying a numerical item. Note that fixed defaults to 6 decimal points if the data type is float or double. See the example below: int i = 123; float f = 12.3; float ff = 0.0001234; double d = 10; ble dd = 20.123456789o; cout << £ixed; cout << i < endl; sout << E << endl; Note the roundine // output: 123 // output: 12.300000 // output: 0.000123 // output: 10.000000 // output: 20.123457 cout << EE cut << d << endl: endl; Note the rounding cout << dd << endl; • setprecision (n) : when used in conjunction wvith fixed, set the number of digits after the decimal point to n. Without fixed, the setprecision (n) will output n sigmificant digits instead. • showpoint: when printing a floating-point mumber, display the decimal point even if the value is exactly equal to a whole number. For setw (), setprecision (), showpoint, see example below: float cost = 10.0; cout << ":" < cost < ":" << endl; cout << fixed << setprecision (2) < showpoint; cout << right << ":" << setw (8) << cost << ":" << endl; cout << ":" << setw(8) << "1234567" << ":" << endl; The output would be as follows: :10: 10.00: : 1234567:
Transcribed Image Text:The text output of a program should be well-formatted for readability as well as displaying numbers with the proper notation and precision levels. The default output formatting in C++ is often not desirable, so one can add explicit instructions to the cout stream. These manipulators and functions are defined in the <iomanip> library. O setw (n): set the width (number of characters) of the next item to be at least n. • If the next item width is less than n, then pad the item with extra spaces. • If the next item width is greater than n, then the entire next item is output. • left and right: when used in conjunction with setw (), justify the item to one side forcing the padding to the other side. Note that these manipulators are persistent, i.e. remains effective until the next change occurs. • fixed: use the fixed-point notation (the decimal point notation that we are familiar with) when displaying a numerical item. Note that fixed defaults to 6 decimal points if the data type is float or double. See the example below: int i = 123; float f = 12.3; float ff = 0.0001234; double d = 10; ble dd = 20.123456789o; cout << £ixed; cout << i < endl; sout << E << endl; Note the roundine // output: 123 // output: 12.300000 // output: 0.000123 // output: 10.000000 // output: 20.123457 cout << EE cut << d << endl: endl; Note the rounding cout << dd << endl; • setprecision (n) : when used in conjunction wvith fixed, set the number of digits after the decimal point to n. Without fixed, the setprecision (n) will output n sigmificant digits instead. • showpoint: when printing a floating-point mumber, display the decimal point even if the value is exactly equal to a whole number. For setw (), setprecision (), showpoint, see example below: float cost = 10.0; cout << ":" < cost < ":" << endl; cout << fixed << setprecision (2) < showpoint; cout << right << ":" << setw (8) << cost << ":" << endl; cout << ":" << setw(8) << "1234567" << ":" << endl; The output would be as follows: :10: 10.00: : 1234567:
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