#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
class Circle {
int radius;
public :
void setRadius(int radius);
double getArea();
};
void Circle::setRadius(int radius){
this->radius=radius;
}
double Circle ::getArea(){
return radius*radius*3.14;
}
int main(int argc, char** argv) {
// Circle circle[3];
int count=0;
int r=0;
int num;
cout << "원의 개수 >> ";
cin >> num;
Circle *circle= new Circle[num];
for(int i=0; i<3; i++){
cout <<"원" << i+1 << "의 반지름 >> ";
cin >> r;
circle[i].setRadius(r);
}
for(int i=0; i<3; i++){
if(circle[i].getArea() >100){
count++;
}
}
cout << "면적이 100보다 큰 원은 " << count << "개 입니다.";
delete [] circle;
return 0;
}