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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
#include <cstdlib>
#include <iostream>
#include <string>
#include <iomanip>
#include <istream>
#include <math.h>
//prototypes
double Area_Circle(int);
int Area_Rectangle(int,int);
int Area_Square(int);
int Menu();
int Input_Side();
int Input_Radius();
void Output_Rectangle(int,int,double);
void Output_Shape(int,double);
using namespace std;
int main()
{
int radius, width, length, side, choice; //declare integer variables
double area; //declare double variables
char answer;
do // do while loop to display the menu again
{
choice = Menu(); //assign the value returned by Main function to choice variable
switch(choice)
{
case 1: width = Input_Side(); //assign the returned value to width
length = Input_Side(); //assign the returned value to length
area = Area_Rectangle(width,length); //assign the returned value to area
cout << "Rectangle:\t" << "Width\t" << "Length\t" << "Area\n";
Output_Rectangle(width,length,area);
break;
case 2:
radius = Input_Radius();
area = Area_Circle(radius);
cout << "Circle:\t" << "Radius\t" << "Area\n";
Output_Shape(radius,area);
break;
case 3:
side = Input_Side();
area = Area_Square(side);
cout << "Square:\t" << "Sides\t" << "Area\n";
Output_Shape(side,area);
break;
case 4:
cout << " Have a nice day!" << endl << endl;
break;
//default: cout << "Invalid choice. Try again. " << endl << endl;
}
cout << "Would you like to run the program again? (Y or N) ";
cin >> answer;
cout << endl;
}while(answer == 'Y' || answer == 'y');
system("PAUSE");
return EXIT_SUCCESS;
}
int Menu()
{
int choice;
cout << "\n Choose a shape to calculate AREA";
cout << "\n...................................";
cout << "\n 1- Rectangle\n 2- Circle\n 3- Square\n 4- Exit";
cout << "\n\n Enter your choice: ";
cin >> choice;
}
int Input_Side()
{
int side;
cout << "\n Enter side: ";
cin >> side;
return (side);
}
int Input_Radius()
{
int radius;
cout << "\n Enter the radius: ";
cin >> radius;
return (radius);
}
double Area_Circle(int radius)
{
return (3.14 * radius * radius);
}
int Area_Rectangle(int length,int width)
{
return (length * width);
}
int Area_Square(int side)
{
return (side * side);
}
void Output_Rectangle(int width, int length, double area)
{
cout << "\t\t" << width << "\t" << length << "\t" << area;
}
void Output_Shape(int side, double area)
{
cout << "\t\t" << side << "\t" << area;
}
|
