Given a string s, find the first non-repeating character and return its index. If one is found, return the index. Otherwise, return -1.

Given a string s, find the first non-repeating character and return its index. If one is found, return the index. Otherwise, return -1.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, maq, company-specific

目标公司: MAQ Software

参考答案摘要

Example 1: Input: s = "scaler" Output: 0 Example 2: Input: s = "interviewbit" Output: 1 Example 3: Input: s = "aabb" Output: -1 Solution- A hashmap is not required for this example because you can cou...

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