?? hw5-2.cpp
字號:
#include <iostream.h>
#include <math.h>
class Point {
float x, y;
public:
Point(float xx, float yy) {
x = xx; y = yy;
}
friend float Distance(Point &, Point &);
};
float Distance(Point &p1, Point &p2) {
float dx, dy;
dx = p2.x - p1.x;
dy = p2.y - p1.y;
return (float)sqrt(dx * dx + dy * dy);
}
void main() {
Point s(10, 10), t(25, 30);
cout << "兩點之間距離為:" << Distance(s, t) << endl;
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -