Longest Substring with At Most Two Distinct Characters Longest Substring Without Repeating Characters 参考资料: https://leetcode.com/problems/longest-repeating-character-replacement/ https://leetcode.com/problems/longest-repeating-character-replacement/discuss/91271/Java-12-lines-O(n)-sliding-window-soluti...
Given a string that consists of only uppercase English letters, you can replace any letter in the string with another letter at most k times. Find the length of a longest substring containing all repeating letters you can get after performing the above operations. Note: Both the string's len...
题目地址:https://leetcode.com/problems/longest-repeating-character-replacement/description/ 题目描述 Given a string that consists of only uppercase English letters, you can replace any letter in the string with another letter at most k times. Find the length of a longest substring containing all ...
Given a string, find the length of thelongest substringwithout repeating characters. Example 1: Input:"abcabcbb"Output:3Explanation:The answer is "abc", with the length of 3. Example 2: Input:"bbbbb"Output:1Explanation:The answer is "b", with the length of 1. Example 3: Input:"pwwkew...
Title :Longest Substring Without Repeating Characters Given a string, find the length of thelongest substringwithout 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. ...
Replace the one'A' in the middle with 'B' and form "AABBBBA". The substring"BBBB" has the longest repeating letters, which is 4. https://leetcode.com/problems/longest-repeating-character-replacement/discuss/91285/Sliding-window-similar-to-finding-longest-substring-with-k-distinct-charactersThe...
输出: 3 解释: 结果是 “wke”,长度是 3 JAVA 实现方法一:笨方法遍历(第一次愚蠢实现不推荐) 官方实现一 : Brute Force 简介: 逐个检查所有子字符串,看它是否没有重复的字符。 算法: 写一个方法 boolean allUnique(String substring),如果子字符串中的字符都是唯一的,则返回true,否则返回false.我们可以遍历...
3. Longest Substring Without Repeating Characters Medium 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. ...
classSolution{public:intlengthOfLongestSubstring(string s){intans=0;unordered_map<char,int>map;for(inti=0,j=0;j<s.size();j++){if(map.find(s[j])!=map.end()){i=max(map[s[j]],i);}map[s[j]]=j;ans=max(ans,j-i);}returnans;}}; ...
简介: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. 注意:最后面的子串最长...