#include <iostream>
#include <cstring>
using namespace std;

void show_binary (unsigned int u);
unsigned char uncodding (char str[1000], char key);
unsigned char codding (char str[1000], char key);
int main ()
{
    setlocale (LC_ALL, "Russian");
    char temp [100] = {0};
cout << "Введите ключ кодирования ";
cin >> temp;
int key = 0;
key = strlen (temp);
cout << "Количество сдвигов " << key << endl;
cout << "Введите строку ";
char str [1000] = {0};
cin >> str;
//не закодированый массив
for (int i = 0; i < strlen (str) ; i++)
show_binary (str[i]);

cout << "Закодированая строка ";
for (int i = 0; i < strlen (str) ; i++)
    {
str [i] = codding (&str [i], key);
cout << str [i];
    }
cout << '\n';
//закодированый массив
for (int i = 0; i < strlen (str) ; i++)
show_binary (str[i]);


cout << "Раскодированая строка ";
for (int i = 0; i < strlen (str) ; i++)
    {
str [i] = uncodding (&str [i], key);
cout << str [i];
    }
cout << '\n';
//раскодированый массив
for (int i = 0; i < strlen (str) ; i++)
show_binary (str[i]);

return 0;
}
unsigned char codding (char str[1000], char key)
{
    int i;
    unsigned int temp;
    temp = str [0];
    for (i = 0; i < strlen (str); i++)
    {
        for (int j = 0; j < key; j++)
        {

        if (temp & 128)
        {
            temp = temp << 1;
            temp = temp | 1;
        }
        else
        temp = temp << 1;
        }
        return temp;
    }

}
unsigned char uncodding (char str[1000], char key)
{
    int i;
    unsigned char temp;
    temp = (unsigned char) str [0];
    for (i = 0; i < strlen (str); i++)
    {
        for (int j = 0; j < key; j++)
        {

        if (temp & 1)
        {
        temp = (unsigned char)temp >> 1;
            temp = (unsigned char)temp | 128;

        }
        else
            temp = (unsigned char)temp >> 1;

        }
        return (unsigned char)temp;
    }

}
void show_binary (unsigned int u)
{
int t;
for (t=256; t>0; t = t/2)
    if (u & t) cout << "1";
    else cout << "0";
    cout << endl;
}