[New post] First Unique Character in a String Leetcode Solution Python
mathtuition88 posted: " Leetcode Question Given a string s, find the first non-repeating character in it and return its index. If it does not exist, return -1. Solution (Python) class Solution: def firstUniqChar(self, s: str) -> int: chardict = {} " Mathtuition88
Leetcode Question Given a string s, find the first non-repeating character in it and return its index. If it does not exist, return -1. Solution (Python) Cracking the Coding Interview: 189 Programming Questions and Solutions
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