【LeetCode 340. Longest Substring with At Most K Distinct Characters】的更多相关文章

[leetcode]340. Longest Substring with At Most K Distinct Characters至多包含K种字符的最长子串

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. 题意: 给定字符串,求至多包含K种字符的最长子串 思路: 跟[leetcode]159. Longest Substring wi…

[LeetCode] 340. Longest Substring with At Most K Distinct Characters 最多有K个不同字符的最长子串

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. 159. Longest Substring with At Most Two Distinct Characters 的拓展,1…

LeetCode 340. Longest Substring with At Most K Distinct Characters

原题链接在这里:https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters/ 题目: 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 "ec…

340. Longest Substring with At Most K Distinct Characters

最后更新 二刷 08-Jan-2017 和76.159很像.. 2 pointers.. 通过判断是否每一次是有效读取来增减accumulator,从而判断当前是否符合规定,再来更新maxLength Time: O(n) Sapce : O(1) public class Solution { public int lengthOfLongestSubstringKDistinct(String s, int k) { if (s.length() == 0 || k == 0) return…

[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] 159. 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 2 distinct characters. Example 1: Input: "eceba" Output: 3 Explanation: tis "ece" which its length is 3. Example 2: Input: "ccaabbb" Output:…

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

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. 这道题是之前那道Longest Substring with At Most Two Distinct Characters的拓展…

LeetCode "Longest Substring with At Most K Distinct Characters"

A simple variation to "Longest Substring with At Most Two Distinct Characters". A typical sliding window problem. class Solution { public: int lengthOfLongestSubstringKDistinct(string s, int k) { unordered_map<char, unsigned> hm; , start =…

【LeetCode】Longest Substring with At Most Two Distinct Characters (2 solutions)

Longest Substring with At Most Two Distinct Characters Given a string, find the length of the longest substring T that contains at most 2 distinct characters. For example, Given s = “eceba”, T is "ece" which its length is 3. 可与Longest Substring…

Leetcode: Longest Substring with At Most K Distinct Characters && Summary: Window做法两种思路总结

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. 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…