3412. Find Mirror Score of a String

You are given a string s. We define the mirror of a letter in the English alphabet as its corresponding letter when the alphabet is reversed. For example, the mirror of 'a' is 'z', and the mirror of 'y' is 'b'. Initially, all characters in the string s are unmarked. You start with a score of 0, and you perform the following process on the string s: - Iterate through the string from left to rig