最多有k个不同字符的最长子字符串 · Longest Substring with at Most k Distinct Characters(没提交)

【最多有k个不同字符的最长子字符串 · Longest Substring with at Most k Distinct Characters(没提交)】的更多相关文章

最多有k个不同字符的最长子字符串 · Longest Substring with at Most k Distinct Characters(没提交)

［抄题］: 给定一个字符串,找到最多有k个不同字符的最长子字符串.eg:eceba, k = 3, return eceb [暴力解法]: 时间分析: 空间分析: ［思维问题］: 怎么想到两根指针的:从双层for循环的优化开始分析［一句话思路］: ［输入量］:空: 正常情况:特大:特小:程序里处理到的特殊情况:异常情况(不合法不合理的输入): ［画图］: ［一刷］: 没有养成好习惯:退出条件写在添加条件之前.因此先判断if (map.size() == k),再map.put(c,1) ［二…

[Swift]LeetCode340.最多有K个不同字符的最长子串 $ Longest Substring with At Most K Distinct Characters

Given a string, find the length of the longest substring T that contains at most k distinct characters. For example, Given s = "eceba" and k = 2, T is "ece" which its length is 3. 给定一个字符串,找出包含最多k个不同字符的最长子字符串t的长度. 例如,给定s=“eceba”和k=2, T是…

[Swift]LeetCode159.具有最多两个不同字符的最长子串 $ Longest Substring with At Most Two Distinct Characters

Given a string S, find the length of the longest substring T that contains at most two distinct characters.For example:Given S = “eceba”,T is “ece” which its length is 3. 给定字符串S,找到最长子字符串T的长度,最多包含两个不同的字符. 例如: 给定S = “eceba”, T是“ece” ,长度为3. class Soluti…

[Swift]LeetCode395. 至少有K个重复字符的最长子串 | Longest Substring with At Least K Repeating Characters

Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than k times. Example 1: Input: s = "aaabb", k = 3 Output: 3 The longest substring is "aaa"…

[LeetCode] Longest Substring with At Least K Repeating Characters 至少有K个重复字符的最长子字符串

Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than k times. Example 1: Input: s = "aaabb", k = 3 Output: 3 The longest substring is "aaa"…

[LeetCode] 395. Longest Substring with At Least K Repeating Characters 至少有K个重复字符的最长子字符串

Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than k times. Example 1: Input: s = "aaabb", k = 3 Output: 3 The longest substring is "aaa"…

[LeetCode] Longest Substring with At Most Two Distinct Characters 最多有两个不同字符的最长子串

Given a string S, find the length of the longest substring T that contains at most two distinct characters.For example,Given S = “eceba”,T is “ece” which its length is 3. 这道题给我们一个字符串,让我们求最多有两个不同字符的最长子串.那么我们首先想到的是用哈希表来做,哈希表记录每个字符的出现次数,然后如果哈希表中的映射数量超过两…