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Тимофей Кузнецов, сегодня в 11:16
#include "stdafx.h"
#include <iostream>
using namespace std;
#include "point.h"

class Curve{
public:
 virtual Point f(int k) = 0;
 friend double length(const Point &t, const Point& t1);
};

Тимофей Кузнецов, сегодня в 11:15
#include "stdafx.h"
#include <iostream>
#include "point.h"
#include "Curve.h"
#include "Polynome.h"
#include <time.h>
#include <math.h>


Polynome::Polynome(const Point &p0, const Point &p1, const Point &p2){
 t = p0;
 t2 = p1;
 t3 = p2;
}

Point Polynome:: f(int k){
 Point c;
 c = t3*k*k + t2*k + t;
 return c;
}

Тимофей Кузнецов, сегодня в 11:15
#include "stdafx.h"
#include <iostream>
#include "point.h"
#include "Curve.h"
#include <time.h>
#include <math.h>

class Polynome : public Curve{
private: Point t;
   Point t2;
   Point t3;
 public:
  Polynome(const Point &p0, const Point &p1, const Point &p2);
  Point f(int k);
};

Тимофей Кузнецов, сегодня в 11:15
#include "stdafx.h"
#include <iostream>
using namespace std;

class Point
{
private:
 double x;
 double y;
public:
 Point(double _x=0., double _y=0.);
 Point operator + (const Point &p) const;
 Point& operator += (const Point &p);
 Point operator * (const Point &p)const;
 Point& operator = (const Point&p);
 friend double distance(const Point &p1, const Point &p2);
 friend Point operator *(const double &l, const Point &p);
 virtual ~Point();
};

Тимофей Кузнецов, сегодня в 11:15
#include "stdafx.h"
#include <iostream>
#include "point.h"
#include <time.h>
#include <math.h>


Point:: Point(double _x= 0., double _y=0.){
 x = _x;
 y = _y;
}

Point Point:: operator +(const Point &p) const{
 Point P1;
 P1.x = x + p.x;
 P1.y = y + p.y;
 return P1;
}

Point& Point:: operator = (const Point&p){
 x = p.x;
 y = p.y;
}

Point Point:: operator *(const Point &p) const{
 Point P1;
 P1.x = x * p.x;
 P1.y = y * p.y;
 return P1;
}

Point& Point :: operator += (const Point &p){
 x = x*p.x;
 y = y* p.y;
 return *this;
}

double distance(const Point &p1, const Point &p2){
 double i = 0;
 i = p1.x - p2.x;
 double j = 0;
 j = p1.y - p2.y;
 double k = 0;
 k = sqrt(i*i + j*j);
 return k;
}

Point operator *(const double &l, const Point &p){
 Point p1;
 p1.x = p.x * l;
 p1.y = p.y * l;
 return p1;
}