My code: 和 Longest Substring with At Most Two Distinct Characters 一个原理。 不赘述了。 Similar Questions# Minimum Window Substring Longest Substring with At Most K Distinct Characters Longest Substring with At...LeetCode 340 [Longest Substring with At Most K Distinct Characters] 原题 给定一个...
Given a string, find the length of the longest substring T that contains at mostkdistinct characters. Example 1: Input: s ="eceba", k =2 Output:3 Explanation: T is "ece" which its length is 3. Example 2: Input: s ="aa", k =1 Output: 2 Explanation: T is "aa" which its le...
Given a string s and an integer k, return the length of the longest substring of s that contains at most k distinct characters. Example 1: Input: s = "eceba", k = 2 Output: 3 Explanation: The substring is "ece" with length 3. Example 2: Input: s = "aa", k = 1 Output: 2...
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. 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...
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2.Longest Substring with K Distinct Characters 2.1 问题描述 2.2 解决方法 代码 3.课后回顾 4.参考链接 Sliding window pattern 1.原理描述 滑动窗口模式(sliding window pattern)是用于在给定数组或链表的特定窗口大小上执行所需的操作,比如寻找包含所有 1 的最长子数组。从第一个元素开始滑动窗口并逐个元素地向右...
Longest Substring with At Most Two Distinct Characters 最新思路解法:https://yanjia.me/zh/2018/12/... Given a string, find the length of the longest substring T that contains at most 2 distinct characters. For example, Givens = “eceba”, ...
[LeetCode] 159. Longest Substring with At Most Two Distinct Characters,Givenastring s ,findthelengthofthelongestsubstring tthatcontains atmost 2distinctcharacters.Example1:Input:"eceba"Output:3Explana
leetcode 209. Minimum Size Subarray Sum 3. Longest Substring Without Repeating Characters 使用双指针法之“滑动窗口“解题 双指针法常用的另外一种类型就是“滑动窗口”,也是两个指针一前一后,动态的调整大小的过程。关键点在于什么时候对于两个索引位置进行更新。下面以leetcode 209和3号问题作为例子进行分析和...
经典题型,类似于Longest Substring with At Most Two Distinct Characters。 此类window题型,我们都需要用两个指针,用一个map记录字符及其出现次数,不同的是由于这里题目要求是覆盖字符串T中所有字符,所以我们需要用一个变量如count来记录window中覆盖字符串T中有效字符的个数。