Solution: Find Longest Self-Contained Substring
Explore how to identify the longest self-contained substring within a string by leveraging hash maps to track character occurrences. This lesson helps you understand the algorithm to expand and validate substring windows, enabling efficient problem-solving in coding interviews with linear complexity.
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Statement
You are given a string, s, consisting of lowercase English letters. Your task is to find the length of the longest self-contained substring of s.
A substring t of s is called self-contained if:
tis not equal to the entire strings.Every character in
tdoes not appear anywhere else ins...