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...
答题技巧
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