Total Appeal of a String
Explore how to compute the total appeal of a string by summing the counts of unique characters in all its substrings. This lesson helps you understand the problem of evaluating string appeal and implement an efficient solution using hash maps in a hands-on coding environment.
We'll cover the following...
We'll cover the following...
Statement
Given a string s, return its total appeal, which is calculated by summing the appeals of all its
The appeal of a string is defined as the count of unique characters present in that string.
For instance, the appeal of “xyzxz” is