Solution: Number of Substrings Containing All Three Characters
Understand how to use the sliding window pattern to count substrings that contain at least one occurrence of 'a', 'b', and 'c'. This lesson guides you through initializing pointers, maintaining frequency counts, and calculating the total number of valid substrings with an O(n) approach.
We'll cover the following...
We'll cover the following...
Statement
Given a string s that consists only of the characters 'a', 'b', and 'c', return the number of substrings that contain at least one occurrence of each of the three characters.
Constraints:
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