Longest Substring Without Repeating Characters解题报告
关键字:最长不重复子串、双指针难度:Medium题目大意:求一个字符串最长不重复子串的长度题目:Givenastring,findthelengthofthelongestsubstringwithoutrepeatingcharacters.Example1:Input:"abcabcbb"Output:3Explanation:Theansweris"abc",withthelengthof3