1.cpp

#include <iostream>
using namespace std;

class container {

	int size;
public:
	float* p;
	container(int s = 0) :size(s){}

	int& getsize() { return size;}
};

class vector :public container {

	int call_num;
public:
	vector(int l = 0) :len(l), container(1 * 100) {
		p = new float();
	}
	int len;
	int& getlen(){
		call_num++;
		return len;
	}
	void set_call(int s)
	{
		call_num = s;
	}
	void operator =(container c)
	{
		this->len = c.getsize();
		int a = *(c.p);
		this->set_call(a);

	}
	~vector() = default;
	
};

int main() {

	container c1(100);
	vector v1;
	v1 = c1;
	container& r1 = v1;
	container c2 = 100;
	c2.getsize() = 20;
	cout << c2.getsize();
	vector v2 = 100;
	v2.getlen() = 40;
	cout << v2.getlen();
}