Leetcode Guide Longest Substring Without Repeats

Leetcode 3 Longest Substring Without Repeating Characters Nick Li Given a string s, find the length of the longest substring without duplicate characters. example 1: input: s = "abcabcbb" output: 3 explanation: the answer is "abc", with the length of 3. Longest duplicate substring given a string s, consider all duplicated substrings: (contiguous) substrings of s that occur 2 or more times. the occurrences may overlap. return any duplicated substring that has the longest possible length. if s does not have a duplicated substring, the answer is "".

Leetcode 0003 Longest Substring Without Repeating Characters Jiechang Guo Question: given a string s, return the longest palindromic substring in s. example 1: input: s = "babad" output: "bab" explanation: "aba" is also a valid answer. example 2: input: s = "cbbd" output: "bb" my solution is. def lengthoflongestsubstring(self, s: str) > int: substr = '' . length = longest len = 0 for ch in s: if ch in substr:.

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Leetcode Guide Longest Substring Without Repeats
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