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ch-01-ex-06-solution.cpp
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Tue, Oct 1, 15:59
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Thu, Oct 3, 15:59 (2 d)
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R9360 PCSC_git
ch-01-ex-06-solution.cpp
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/*
* exercise-06.cpp
*
* Record the number of cars passing past your house each day for five
* consecutive days and calculate the average.
*
* Created on: Jul 27, 2012
* Author: Radu Popescu <radu.popescu@epfl.ch>
*/
#include <iostream>
int
main
(
int
argc
,
char
*
argv
[])
{
// Store the five values in an integer array
int
number_of_cars
[
5
];
// Read in the five values
std
::
cout
<<
"Enter the number of cars on day one: "
;
std
::
cin
>>
number_of_cars
[
0
];
std
::
cout
<<
"Enter the number of cars on day two: "
;
std
::
cin
>>
number_of_cars
[
1
];
std
::
cout
<<
"Enter the number of cars on day three: "
;
std
::
cin
>>
number_of_cars
[
2
];
std
::
cout
<<
"Enter the number of cars on day four: "
;
std
::
cin
>>
number_of_cars
[
3
];
std
::
cout
<<
"Enter the number of cars on day five: "
;
std
::
cin
>>
number_of_cars
[
4
];
// Total number of cars that passed
int
total_cars
=
number_of_cars
[
0
]
+
number_of_cars
[
1
]
+
number_of_cars
[
2
]
+
number_of_cars
[
3
]
+
number_of_cars
[
4
];
/* To compute the average we need to convert the total number of cars to a
* double
*/
double
average
=
((
double
)
total_cars
)
/
5
;
/*
* NOTE: it is enough that one term of the division is a double. The
* following statement is equivalent to the previous:
* double average = total_cars / 5.0;
*/
std
::
cout
<<
"The average number of cars is: "
<<
average
<<
std
::
endl
;
return
0
;
}
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