idea: 设置一个hashset存储非重复元素 j:遍历s i:最近的一个非重复指针 注意点: 1.Set set = new HashSet<>(); add remove public int lengthOfLongestSubstring(String s) { int i = 0, j = 0, max = 0; Set<Character> set = new HashSet<>(); while(j < s.length()){ if(! set.…
Leetcode 3. Longest Substring Without Repeating Characters 提交网址: https://leetcode.com/problems/longest-substring-without-repeating-characters/ Total Accepted: 149135 Difficulty: Medium Given a string, find the length of the longest substring without…
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest subst…
问题描述: Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest…
Longest Substring Without Repeating Characters Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the lengt…
Given a string, find the length of the longest substring without repeating characters. Example 1: Input: "abcabcbb" Output: 3 Explanation: The answer is "abc", with the length of 3. Example 2: Input: "bbbbb" Output: 1 Explana…
题目来源:https://leetcode.com/problems/longest-substring-without-repeating-characters/ Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb"…
LeetCode 第3题3 Longest Substring Without Repeating Characters 首先我们看题目要求: Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "a…
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest subst…
# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com'https://oj.leetcode.com/problems/longest-substring-without-repeating-characters/ Given a string, find the length of the longest substring without repeating characters.For example, the longes…