The letter value of a letter is its position in the alphabet starting from 0 (i.e.
'a' -> 0,
'b' -> 1,
'c' -> 2, etc.).
The numerical value of some string of lowercase English letters
s is the concatenation of the letter values of each letter in
s, which is then converted into an integer.
- For example, if
s = "acb", we concatenate each letter's letter value, resulting in…