// ConsoleApplication1.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <cstring>
#include<cstdlib>
using namespace std;

class sample {
	char* s;
public:
	sample();
	sample(const sample &ob);
	~sample() {
		if (s) delete[] s;
		cout << "Free s-memory.\n";	}
	void show() { cout << s << "\n"; }
	void set(char* str);
	sample operator=(sample &ob);
};

sample::sample() {
	s = new char('\0');
}

sample::sample(const sample &ob)
{
	s = new char[strlen(ob.s) + 1];
	strcpy(s, ob.s);
}

void sample::set(char* str)
{
	s = new char[strlen(str) + 1];
	strcpy(s, str);
}

sample sample::operator=(sample &ob)
{
	if (strlen(ob.s) > strlen(s)) {
		delete[]s;
		s=new char[strlen(ob.s)+1];
	}
	strcpy(s,ob.s);
	return *this;
}

sample input() {
	char instr[80];
	sample str;
	cout << "Input stroka: ";
	cin >> instr;
	str.set(instr);
	return str;
}


int main()
{
	sample ob;
	ob = input();
	ob.show();
	return 0;
}

#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstring>
#include<cstdlib>
using namespace std;

class sample {
	char* s;
public:
	sample();
	sample(const sample &ob);
	~sample() {
		if (s) delete[] s;
		cout << "Free s-memory.\n";	}
	void show() { cout << s << "\n"; }
	void set(char* str);
	sample operator=(const sample &ob);
};