LeetCode之First Unique Character in a String
1、题目Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1.Examples:s = "leetcode"return 0.s = "loveleetcode",return 2.2、代码实现public class S....
LeetCode 387: 字符串中的第一个唯一字符 First Unique Character in a String
题目： 给定一个字符串，找到它的第一个不重复的字符，并返回它的索引。如果不存在，则返回 -1。 Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. 案例: s = "leetcode" 返回 0. s = "love.....
leetCode 387. First Unique Character in a String 字符串
387. First Unique Character in a String Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return&nb...
[LeetCode]--387. First Unique Character in a String
Given a string, find the first non-repeating character in it and return it’s index. If it doesn’t exist, return -1. Examples: s = "leetcode" return 0. s = "loveleetcode", return 2. Note: You may...
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