Solution: Find Longest Self-Contained Substring
Explore how to identify the longest self-contained substring in a string by using hash maps to track character positions and expanding a sliding window to ensure substring validity. Learn an efficient O(n) algorithm that applies hash map logic to solve this specific string problem, essential for coding interviews focused on string manipulation and hash map patterns.
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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...