import java.util.*; public class Solution { /** * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 * * * @param s string字符串 * @return int整型 */ public int lengthOfLongestSubstring(String s) { int n = s.length(); Set<Character> set = new HashSet<>(); int left = 0, right = 0, maxLen = 0; while (right &...
