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annadanilcheva
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lab1
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all_6.cpp
77 строк
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annadanilcheva
create: all_3.cpp, all_6.cpp, algorithms.rtf
26 май 2026, 12:29
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26 май 2026, 12:29
5b2e029
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#include <iostream> #include <cmath> using namespace std; class NGon { protected: double* sides; int count; public: NGon(int n, double* storony) { count = n; sides = new double[count]; for (int i = 0; i < count; i++) { sides[i] = storony[i]; } } virtual double perimeter() { double p = 0; for (int i = 0; i < count; i++) { p += sides[i]; } return p; } virtual ~NGon() { delete[] sides; } }; class Triangle : public NGon { public: Triangle(double a, double b, double c) : NGon(3, new double[3]{a, b, c}) {} double perimeter() override { double p = 0; for (int i = 0; i < count; i++) { p += sides[i]; } return p; } }; class Square : public NGon { public: Square(double a) : NGon(4, new double[4]{a, a, a, a}) {} double perimeter() override { double p = 0; for (int i = 0; i < count; i++) { p += sides[i]; } return p; } }; int main() { double a, b, c; double d; cout << "Enter triangle sides: "; cin >> a >> b >> c; cout << "Enter square side: "; cin >> d; Triangle tri(a, b, c); Square sq(d); double p_tri = tri.perimeter(); double p_sq = sq.perimeter(); cout << "\nTriangle perimeter: " << p_tri << endl; cout << "Square perimeter: " << p_sq << endl; if (p_tri > p_sq) { cout << "Triangle perimeter is greater than square perimeter" << endl; } else if (p_tri < p_sq) { cout << "Triangle perimeter is less than square perimeter" << endl; } else { cout << "Perimeters are equal" << endl; } return 0; }