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figure.h

martukha Feb 18th, 2020 (edited) 75 Never
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  1. #pragma once
  2. #include<iostream>
  3. #include<cmath>
  4. #include<string>
  5. using namespace std;
  6.  
  7. class Shape {
  8. public:
  9.     virtual int shape_perimetr()=0;
  10.     virtual int shape_area() = 0;
  11.     virtual ~Shape() {};
  12.    
  13. };
  14.  
  15. class Polygon : public Shape {
  16. public:
  17.     virtual string get_shape() const {
  18.         return "Polygon";
  19.     }
  20. };
  21.  
  22. class Square : public Polygon {
  23. protected:
  24.     int diagonal;
  25. public:
  26.     Square() :diagonal(0) {}
  27.     Square(int d) : diagonal(d) {}
  28.     Square(const Square& s) : diagonal(s.diagonal) {}
  29.  
  30.     int get_diagonal() const {
  31.         return diagonal;
  32.     }
  33.     string get_shape() const {
  34.         return "Square:" + to_string(diagonal) + "cm";
  35.     }
  36.     int shape_perimetr()  {
  37.         return 4 * diagonal;
  38.     }
  39.     int shape_area() {
  40.         return pow(diagonal, 2);
  41.     }
  42.  
  43.     friend ostream& operator<<(ostream& out, const Square& s) {
  44.         out << s.diagonal << "cm" << endl;
  45.         return out;
  46.     }
  47.     /*friend iostream& operator>>(istream& in, Square& s) {
  48.         in >> s.diagonal;
  49.         return in;
  50.     }*/
  51. };
  52.  
  53. class Rectungle :public Polygon {
  54. protected:
  55.     int side1;
  56.     int side2;
  57. public:
  58.     Rectungle() :side1(0), side2(0) {}
  59.     Rectungle(int s1, int s2) : side1(s1),side2(s2) {}
  60.     Rectungle(const Rectungle& r) : side1(r.side1),side2(r.side2) {}
  61.  
  62.     string get_shape() const {
  63.         return "Rectangle:" + to_string(side1) + "cm," + to_string(side2) + "cm";
  64.     }
  65.     int shape_perimetr() {
  66.         return 2 * (side1 + side2);
  67.     }
  68.     int shape_area() {
  69.         return side1 * side2;
  70.     }
  71.     friend ostream& operator<<(ostream& out, const Rectungle& r) {
  72.         out << r.side1 << "cm &" << r.side2<<"cm"<< endl;
  73.         return out;
  74.     }
  75.     /*friend iostream& operator>>(istream& in, Rectungle& r) {
  76.         in >> r.side1;
  77.         in >> r.side2;
  78.         return in;
  79.     }*/
  80. };
  81.  
  82. class Triangle : public Polygon {
  83. protected:
  84.     int a;
  85.     int b;
  86.     int c;
  87. public:
  88.     Triangle() : a(0), b(0), c(0) {}
  89.     Triangle(int t_height) :a(t_height), b(t_height), c(t_height) {}
  90.     Triangle(int aa,int bb,int cc): a(aa), b(bb),c(cc){}
  91.     Triangle(const Triangle&t): a(t.a), b(t.b), c(t.c){}
  92.  
  93.     string get_shape() const {
  94.         return "Triangle:" + to_string(a) + "cm," + to_string(b) + "cm," + to_string(c) + "cm";
  95.     }
  96.     int shape_perimetr() {
  97.         return a + b + c;
  98.     }
  99.     int shape_area() {
  100.         return sqrt(Triangle::shape_perimetr() * (Triangle::shape_perimetr() - a) * (Triangle::shape_perimetr() - b) * (Triangle::shape_perimetr() - c));
  101.     }
  102.  
  103.     friend ostream& operator<<(ostream& out, const Triangle& t) {
  104.         out << t.a << "cm &" << t.b << "cm &" << t.c << "cm" << endl;
  105.         return out;
  106.     }
  107.     /*friend iostream& operator>>(istream& in, Triangle& t) {
  108.         in >> t.a;
  109.         in >> t.b;
  110.         in >> t.c;
  111.         return in;
  112.     }*/
  113. };
  114.  
  115. class Circle :public Shape {
  116. protected:
  117.     int radius;
  118. public:
  119.     Circle() :radius(0) {}
  120.     Circle(int r) :radius(r) {}
  121.     Circle(const Circle& c) :radius(c.radius) {}
  122.  
  123.     string get_shape() const {
  124.         return "Circle: radius is " + to_string(radius) + "cm";
  125.     }
  126.     int get_radius() const {
  127.         return radius;
  128.     }
  129.     int shape_perimetr() {
  130.         return 2 * 3,14 * radius;
  131.     }
  132.     int shape_area() {
  133.         return 3,14 * pow(radius, 2);
  134.     }
  135.  
  136.     friend ostream& operator<<(ostream& out, const Circle& c) {
  137.         out <<"radius - "<<c.radius<< "cm" << endl;
  138.         return out;
  139.     }
  140.     /*friend iostream& operator>>(istream& in, Circle& c) {
  141.         in >> c.radius;
  142.         return in;
  143.     }*/
  144. };
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