Solution: Count Substrings with Only One Distinct Letter
Understand how to count all substrings containing only one distinct letter by tracking the length of consecutive identical characters. This lesson teaches an efficient O(n) time and O(1) space approach that avoids complex enumeration, helping you solve similar string-based coding interview problems confidently.
We'll cover the following...
We'll cover the following...
Statement
Given a string s, return the total number of substrings that contain only one distinct letter.
Constraints:
...