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 assume the string contain only lowercase letters....
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. 找到第一个无重复的字符,返回其索引 C++(55ms): 1classSolution {2public:3intfirstUniqChar(strings)...
原题链接在这里:https://leetcode.com/problems/first-unique-character-in-a-string/ 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" return0. s="loveleetcode", return2. 题解: 扫两遍str...
英文 Given a string s, return the first non-repeating character in it and return its index. If...
13、课程:哈希表(下).3、练习—Word Count和First Unique Character in a String, 视频播放量 11、弹幕量 0、点赞数 0、投硬币枚数 0、收藏人数 0、转发人数 0, 视频作者 村口黑金刚, 作者简介 视频只是方便用于自己学习,不做任何商业用途~~勿扰,谢谢~,相关视频:13、
Given a string s, return the first non-repeating character in it and return its index. If it does not exist, return -1. 中文 针对给定的一个字符串 s,你需要写一个算法,返回给定字符串中不重复字符。 这个题目在随后的面试中又出来变种。
https://leetcode.com/problems/first-unique-character-in-a-string/ public class Solution { public int firstUniqChar(String s) { int[] index = new int[26]; for (int i=0; i<s.length(); i++) { int ch = s.charAt(i) - 'a'; ...
Given a string s, return the first non-repeating character in it and return its index. If it does not exist, return -1. 中文 针对给定的一个字符串 s,你需要写一个算法,返回给定字符串中不重复字符。 这个题目在随后的面试中又出来变种。 这次需要函数返回的找到的字符串,同时输入的字符串中还有大...
Generate a unique character string suitible for use in files and URLs. var uniqueSlug = require('unique-slug') var randomSlug = uniqueSlug() var fileSlug = uniqueSlug('/etc/passwd') uniqueSlug(str) → String (8 chars) Ifstris passed in then the return value will be its murmur hash ...
within each string by: for each character string, comparing the string and corresponding Uniform Resource Identifier (URI), if the string is different from the URI, then truncating the beginning of the string, otherwise if the string matches the URI, then truncating the end of the string.Evan...