Total Appeal of a String
Explore how to calculate the total appeal of a string by summing the unique characters in each of its substrings. This lesson guides you through using hash maps for efficient data tracking and understanding the concept of substring appeals. By the end, you'll grasp the problem requirements and be ready to implement your solution in code.
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