the characters

$($

lower case a to z

$)$

$,$

$$

$$

numbers

$0$

$$

$$

to

$9$

$$

$$

and other special characters like space, tabs and punctuation marks

$)$

$$

$$

have to be converted from

$8$

$$

$$

bits to

$6$

$$

$$

bits

$.$

$$each character is presented by using only

$6$

$$

$$

bits instead of the usual

$8$

$$

$$

bits UnidentifiedUnidentifiedUnidentified

these

$6$

$$

$$

bits are then concatenated together

if the total number of bits is not divisible by

$8$

$,$

$$

$$

the remaining bits are filled with zeros

to have no ambiguity, the encoding should start with a specific bit pattern

$($

$0$

$0$

$0$

$0$

$0$

$1$

$)$

$$

$$

instead of

$0$

$0$

$0$

$0$

$0$

$0$

a is for example

$0$

$0$

$0$

$0$

$0$

$1$

implement the code using a vector of type bool

c$++$ without bitset