#include <iostream>
#include <iterator>
#include <algorithm>
#include <string>
#include <vector>
#include <bitset>
using namespace std;

ostream& operator<<(ostream& out, const vector<char>& v)
{
    copy(v.cbegin(),v.cend(),ostream_iterator<char>(out," "));
    out << endl;
    return out;
}

char encode(char c)
{
    bitset<8> ch(c);
    ch.flip();
    return static_cast<char>(ch.to_ulong());
}

int main()
{
    string str("HAVE A NICE DAY");
    vector<char> vc(str.size());
    vector<char> vc2(str.size());

    copy(str.cbegin(),str.cend(),vc.begin());
    cout << vc << endl;

    transform(vc.begin(),vc.end(),vc2.begin(),encode);
    cout << vc2 << endl;

    copy(vc2.begin(),vc2.end(),str.begin());
    cout << str << endl;
    transform(vc2.begin(),vc2.end(),vc.begin(),encode);
    copy(vc.begin(),vc.end(),str.begin());
    cout << str << endl;
}