#define _CRT_SECURE_NO_WARNINGS

#include <iostream>
#include <cstring>


using namespace std;

class String {

public:

    void SetString(const char new_str[]) {
        delete[] str;
        int new_capacity = strlen(new_str) + 1;
        capacity = new_capacity;
        str = new char[new_capacity];
        strcpy(str, new_str);
        size = new_capacity - 1;
    }


private:
    int size;
    int capacity;
    char* str;
};


int main() {
    // для проверки:
    String my_string;
    cout << "Size: " << my_string.Size() << " Capacity: " << my_string.Capacity() << endl;
    my_string.SetString("Hello");
    cout << my_string.GetString() << endl;
    cout << "Size: " << my_string.Size() << " Capacity: " << my_string.Capacity() << endl;
    my_string.SetString("Hello my dear friend");
    cout << my_string.GetString() << endl;
    cout << "Size: " << my_string.Size() << " Capacity: " << my_string.Capacity() << endl;
    my_string.SetChar(2, 'm');
    cout << my_string.GetString() << endl;
    cout << my_string.GetChar(1) << endl;
}