Solution: First Unique Character in a String
Discover how to find the first unique character in a string by tracking character frequency with a hash map. Understand the step-by-step algorithm, time and space complexity, and how to implement this solution efficiently.
We'll cover the following...
We'll cover the following...
Statement
For a given string of characters, s, your task is to find the first non-repeating character and return its index. Return if there’s no unique character in the given string.
Constraints:
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s.length...