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 substring is "b", with the length of 1. 解法一:枚举出字符串的所有...
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. Given"pwwkew", the answer is"wke", with the length of 3. Note that...
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. Given “pwwkew”, the answer is “wke”, with the length ...
3. 无重复字符的最长子串 方法一:滑动窗口 class Solution: def lengthOfLongestSubstring(self, s: str) -> int: d = {} # element:index ,element的位置 # subStr = '' left = ans = 0 for i, c in enumerate(s): # if c in subStr: # 发现有重复字符时, if c in s[left:i]: # if ...
Leetcode3——Longest Substring Without Repeating Characters 文章作者:Tyan 博客:noahsnail.com|CSDN|简书 1. 问题描述 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....
publicclassSolution{publicintlengthOfLongestSubstring(String s){intlength=s.length();intmaxLength=0;intslow=0,pos=0;HashMap<Character,Integer>map=newHashMap<>();for(inti=0;i<length;i++){//if not contains, just put into mapif(!map.containsKey(s.charAt(i))){map.put(s.charAt(i),i)...
//#3Description: Longest Substring Without Repeating Characters | LeetCode OJ 解法1:用一个数组实时统计每个字母的出现次数,边走边数就行了。 // Solution 1: Maintain a counter array to keep the statistics of letters. Keep two pointers on watch and count as you go. ...
1）最长无重复字符子串（Longest Substring Without Repeating Characters）class Solution { public: int...
Longest Substring Without Repeating Characters Medium Given a string s, find the length of the longest substring without repeating characters. Example 1: Input: s = “abcabcbb” Output: 3 Explanation: The answer is “abc”, with the length of 3. ...
Longest Substring Without Repeating Characters 无重复字符的最长子串 Grandyang刷尽天下 92 0 09:48 [LeetCode] 28. Find the Index of the First Occurrence in a String 找出字符串中第一个匹配项的下 Grandyang刷尽天下 90 0 25:07 [LeetCode] 5. Longest Palindromic Substring 最长回文子串 ...