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第 3 期(2019-05-10):无重复字符的最长子串 #4

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@binperson

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@binperson
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来源:leetcode
难度:★★★

给定一个字符串,请你找出其中不含有重复字符的 最长子串 的长度。

示例 1:
输入: "abcabcbb"
输出: 3
解释: 因为无重复字符的最长子串是 "abc",所以其长度为 3。

示例 2:
输入: "bbbbb"
输出: 1
解释: 因为无重复字符的最长子串是 "b",所以其长度为 1。

示例 3:
输入: "pwwkew"
输出: 3
解释: 因为无重复字符的最长子串是 "wke",所以其长度为 3。
请注意,你的答案必须是 子串 的长度,"pwke" 是一个子序列,不是子串。


本期优秀回答者: @cnyballk

wingmeng

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