blob: 3ee790031014d437a6463c08b28f0663370810e1 (
plain) (
blame)
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
|
// FILE: bag_demo.cxx
// This is a small demonstration program showing how the bag class is used.
#include <iostream> // Provides cout and cin
#include <cstdlib> // Provides EXIT_SUCCESS
#include "bag1.h" // With value_type defined as an int
using namespace std;
using namespace main_savitch_3;
// PROTOTYPES for functions used by this demonstration program:
void get_ages(bag& ages);
// Postcondition: The user has been prompted to type in the ages of family
// members. These ages have been read and placed in the ages bag, stopping
// when the bag is full or when the user types a negative number.
void check_ages(bag& ages);
// Postcondition: The user has been prompted to type in the ages of family
// members once again. Each age is removed from the ages bag when it is typed,
// stopping when the bag is empty.
int main( )
{
bag ages;
get_ages(ages);
check_ages(ages);
cout << "May your family live long and prosper." << endl;
return EXIT_SUCCESS;
}
void get_ages(bag& ages)
{
int user_input;
cout << "Type the ages in your family." << endl;
cout << "Type a negative number when you are done:" << endl;
cin >> user_input;
while (user_input >= 0)
{
if (ages.size( ) < ages.CAPACITY)
ages.insert(user_input);
else
cout << "I have run out of room and can�t add that age." << endl;
cin >> user_input;
}
}
void check_ages(bag& ages)
{
int user_input;
cout << "Type those ages again. Press return after each age:" << endl;
while (ages.size( ) > 0)
{
cin >> user_input;
if (ages.erase_one(user_input))
cout << "Yes, I've got that age and will remove it." << endl;
else
cout << "No, that age does not occur!" << endl;
}
}
|