Total Appeal of a String
Try to solve the Total Appeal of a String problem.
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
Constraints:
s.length
s
consists of only lowercase English letters.
Examples
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