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  1. ... Rectangle (0,0,5,-5); Rectangle b = new Rectangle (-1,1,3,-4); Rectangle c = new Rectangle (a); // copy constructor (deep copy) c .display(" c : "...

  2. ...都已經寫出來了,祇差I/O而已 2006-10-18 17:23:21 補充: 因為是 rectangle 所以只要輸入兩邊, 輸四邊萬一四邊都不同那就不是 rectangle int GetArea...

  3. ...一個擁有length(長), width(寬), height(高)的 Rectangle _Solid類別, 這三個屬性預設值皆...private: float _length, _width, _height; }; Rectangle _Solid:: Rectangle _...

  4. 問題一: 你的兩個case 中間沒有break. 所以當你選square -> 進入case 1 ,跑完他會直接好case 2 問題二: 你的case 2: rectangle = new Rectangle () 應該要改成, rectangle = new Rectangle ( c ,b) 要不然永遠都是0 除此之外.你的程式碼沒有問題.

  5. class Rectangle {  public:    Rectangle () { length= width= 1.0; } // length & width 預設為...

  6. ... c ) { double s; s=(a+b+ c )/2.0; return((T)(sqrt(s*(s-a)*(s-b)*(s- c )))); }#define circle CIRCLE::area #define rectangle RECTANGLE ::area #define triangle area #define AREA TRIANGLEint...

  7. ...cpp #include <iostream> class Rectangle { int length,width; public: Rectangle ...std::cout << " Rectangle Area = " <<...

  8. #include <iostream> class Rectangle { public: Rectangle () : length(1),width(1) { } void set(int a_nL...

  9. class Rectangle { public: Rectangle () { length = width = 1.0; } bool...namespace std;int main(){double w, l;cin >> w;cin >> l; Rectangle r;r.setLength(5.0);r.setWidth(4.0...

  10. ...iostream>#include<stdlib.h>using namespace std;void circle();void rectangle ();void triangle();int main(){ int select; cout<<"...