First Unique Character in a String
Try to solve the First Unique Character in a String problem.
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:
-
s.length
-
Only lowercase English letters are accepted.
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There are no spaces in the string.
Examples
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