명품 C++ Programming 실습문제 4장 1번

#include <iostream>
using namespace std;
 
class Color {
    int red, green, blue;
public:
    Color() { red = green = blue = 0; }
    Color(int r, int g, int b) { red = r; green = g; blue = b; }
    void setColor(int r, int g, int b) { red = r; green = g; blue = b; }
    void show() { cout << red << ' ' << green << ' ' << blue << endl; }
};
 
int main() {
    Color screenColor(255, 0, 0);
    Color *p;
    p = &screenColor;
    p->show();
    Color Colors[3];
    p = Colors;
 
    p[0].setColor(255, 0, 0);
    p[1].setColor(0, 255, 0);
    p[2].setColor(0, 0, 255);
 
    for (int i = 0; i < 3; i++) {
        p[i].show();
    }
}