#includeclass complex {public: double real, imag; complex(double r, double i) { real = r, imag = i; } complex(complex cx) { this->real = cx.real; this->imag = cx.imag; }};int main() { complex cmlx(3.05f, 1.12f); std::cout << cmlx.real << ": " << cmlx.imag << std::endl; complex cmlx2(cmlx); cmlx2.real -= 1.25f; cmlx2.imag += 1.25f; std::cout << cmlx2.real << ": " << cmlx2.imag << std::endl; return 0;}//------------------------code_njssior---------------------------------#includeclass sampleter {protected: int n;public: sampleter() { std::cout << "note code sampletor;" << std::endl; } sampleter(const sampleter& nnsx1):n(nnsx1.n){ std::cout << this->n++ << "to (n + 1);" << std::endl; this->printf_ttooilr(); } sampleter(int ni):n(ni) { std::cout << n << " suir complxer;" << std::endl; } void printf_ttooilr() { std::cout << n << " suir complxer;" << std::endl; }};int main() { sampleter a, aa(2), b(aa), b22(b); return 0;}