标签：.com nbsp ref http www. ring har 方法 repeat
Given a string, find the length of the longest substring without repeating characters.
Examples:
Given "abcabcbb", the answer is "abc", which the length is 3.
Given "bbbbb", the answer is "b", with the length of 1.
"pwwkew", the answer is "wke", with the length of 3. Note that the answer must be a substring, "pwke" is a subsequence and not a substring.3. Longest Substring Without Repeating Characters
标签：.com nbsp ref http www. ring har 方法 repeat
原文地址：http://www.cnblogs.com/hozhangel/p/7726416.html
