classSolution{publicintlengthOfLongestSubstring(String s){intans=0; Map<Character, Integer> map =newHashMap<>();for(intl=0, r =0; r < s.length(); ++r) {charc=s.charAt(r);if(map.containsKey(c) && l <= map.get(c)) { l = map.get(c) +1; }else{ ans = Math.max(r - ...
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. thinking: (1)寻找子串,要...
题目地址:https://leetcode.com/problems/longest-substring-without-repeating-characters/description/ 题目描述 Given a string, find the length of thelongest substringwithout repeating characters. Example 1: Input: "abcabcbb" Output: 3 Explanation: The answer is "abc", which the length is 3. 1. ...
class Solution { public: string longestPalindrome(string s) { string res = s.substr(0,1); for(int i = 0; i < s.length(); i++) { string s1 = getPalidromeByCenter(s, i, i); string s2 = getPalidromeByCenter(s, i, i + 1); string temp = s1.length() > s2.length()?s1...
Can you solve this real interview question? Longest Substring Without Repeating Characters - Given a string s, find the length of the longest substring without duplicate characters. Example 1: Input: s = "abcabcbb" Output: 3 Explanation: The answer
Given a strings, find the length of the longest substring without repeating characters. Constraints: 0 <= s.length <= 5 * 104 s consists of English letters, digits, symbols and spaces. #include <vector> using namespace std; class Solution { public: int lengthOfLongestSubstring(string s) ...
5. Longest Palindromic Substring Given a strings, returnthe longestpalindromicsubstringins. Example 1: Input:s = "babad"Output:"bab"Explanation:"aba" is also a valid answer. Example 2: Input:s = "cbbd"Output:"bb" Constraints: 1 <= s.length <= 1000...
1. 2. 3. 4. 5. 我的做法:维护一个window,r移动到超出k distinct character限制是更新max,然后移动l使distinct character <=k; 这种做法更新max只发生在超出限制的时候,有可能永远都没有超出限制,所以while loop完了之后要补上一个max的更新 1publicclassSolution {2publicintlengthOfLongestSubstringKDistinct(...
Given a string, find the length of thelongest substringwithout repeating characters. 给定字符串,找到最大无重复子字符串。 样例 Input:"abcabcbb"Output:3Explanation:The answeris"abc",withthe length of3.Input:"bbbbb"Output:1Explanation:The answeris"b",withthe length of1.Input:"pwwkew"Output:3...
# -*- coding: utf-8 -*-classSolution(object):deflengthOfLongestSubstring(self,s):""" :type s: str :rtype: int """max_length=0temp_length=0old_word=set()# 对每一个字母# 1 如果之前出现过, 则判断temp_length是否大于max_length,set.clear,temp_length = 1 ,加入到set中。# 2 如果之...