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…
索引 思路1:分治策略 思路2:Brute Force - O(n^3) 思路3:动态规划? O(n^2)版,错解之一:420 ms O(n^2)版,错解之二:388 ms O(n)版,思路转变: 100 ms 细节上的优化(JavaScript限定) 问题描述:https://leetcode.com/problems/longest-substring-without-repeating-characters/ 思路1:分治策略 感觉两下半写完了..没啥收获,就别出心载先写了个分治版本,结果…
https://leetcode.com/problems/longest-substring-without-repeating-characters/ public class Solution { public int lengthOfLongestSubstring(String s) { if(s.length() == 0 )return 0; HashMap<Character,Integer> map = new HashMap<Character, Integer>…
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. Examples: Given "abcabcbb", the answer is "abc", which the length is 3. Given "bbbbb", the answer is "b", with the length of 1.…
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…
# -*- 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…
[题目描述] Given a string, find the length of the longest substring without repeating characters. Examples: Given . Given . Given . Note that the answer must be a substring, "pwke" is a subsequence and not a substring. [解决思路] 方法可能比较笨,但是可用成功解决此问题,通过判…
Description 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 l…
