#include <bits/stdc++.h>

void solve()
{
    char *lpBuffer = new (std::align_val_t(128)) char[100];
    for (int i = 0; i < 100; i++) lpBuffer[i] = 'A' + (rand() % 20);

    std::cout << std::string(lpBuffer, 100) << std::endl;
    //                 begin,    end,           end_to,
    std::copy_backward(lpBuffer, lpBuffer + 20, lpBuffer + 10 + 20);
    std::cout << std::string(lpBuffer, 100) << std::endl;

    delete [] (std::align_val_t(128), lpBuffer);

    std::cout << "DONE!" << std::endl;
}

int main()
{
    solve();
    return 0;
}