saalek
مدیر بازنشسته
برنامه زير شعاع دايره را مي گيرد و مساحت و محيط دايره را حساب مي كند. نكته خاصي نداره. فقط عدد (( پي)) را به شكل كنستانت constant تعريف كرده.
#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
const double PI = 3.1415926535898;
double radius;
double area;
double circumference;
cout << "Enter radius : ";
cin >> radius;
area = PI*radius*radius;
circumference = 2.0*PI*radius;
cout << "Area of circle of radius " << radius << " is "
<< area << endl;
cout << "\tand its circumference is " << circumference
<< endl;
getch();
}
#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
const double PI = 3.1415926535898;
double radius;
double area;
double circumference;
cout << "Enter radius : ";
cin >> radius;
area = PI*radius*radius;
circumference = 2.0*PI*radius;
cout << "Area of circle of radius " << radius << " is "
<< area << endl;
cout << "\tand its circumference is " << circumference
<< endl;
getch();
}