LeetCode_387. First Unique Character in a String 387. First Unique Character in a String Easy Given a string, find the first non-repeating character ... PHP出现iconv(): Detected an illegal character in input string PHP传给JS字符串用ecsape转换加到url里,又用PHP接收,再用网上找的unscape函...
2351. 第一个出现两次的字母 © 2025 领扣网络(上海)有限公司 FindTabBarSize FindBorderBarSize 给你一个由小写英文字母组成的字符串s,请你找出并返回第一个出现两次的字母。 注意: 如果a的第二次出现比b的第二次出现在字符串中的位置更靠前,则认为字母a在字母b之前出现两次。 s包含至少一个出现两次的字母...
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. 样例 Given s = "lintcode", return 0. Given s = "lovelintcode", ret...First Position Unique Character Given a string, find the first non-repeating character in it...