Tag: LeetCode: 3 Longest Substring Without Repeating Characters

Given a string s, find the length of the longest substring without repeating characters. Example: Input: s = "abcabcbb" Output: 3 Explanation: The answer is "abc", with the length of 3. Example: Input: s = "bbbbb" Output: 1 Explanation: The answer is "b", with the length of 1. 问题 给定一个字符串…