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Solution: Maximum Number of Occurrences of a Substring

C# solution for the Maximum Number of Occurrences of a Substring problem using the Sliding Window pattern.

Statement

Given a string s and integers maxLetters, minSize, and maxSize, consider all substrings of s whose length is between minSize and maxSize inclusive. A substring is valid if it contains at most maxLetters distinct characters.

Return the maximum number of times any valid substring occurs in s.

Note: Occurrences of a substring may overlap.

Constraints:

  • 11 \leq s.length ...