Today’s problem is a common but tricky one! I will explain the problem in this challenge and provide two solutions with explanations. Given a string s, the task is to find the length of the longest ...

My LeetCode Diary: #3 Longest Substring without Repeating Characters Wow, look at that! This was my first ever 5-minute solve. Maybe I’m just good with strings. Must be all the threading I’m doing.

現在ITエンジニアとして働いていますが、コーディング・アルゴリズム力をもっと鍛えたいと思い、LeetCodeで学んだ内容をメモ的にアウトプットしています。 今回解いてみた問題は「3. Longest Substring Without Repeating Characters」です。 各文字が次に出現する位置を ...

Given a string s, return the longest palindromic substring in s. # https://leetcode.com/problems/longest-palindromic-substring/discuss/1025355/Easy-to-understand ...

Finds the smallest substring containing the characters of a given string in O(n+m) time complexity. Utilizing a sliding window algorithm. Java Solution Instructions: Given two strings s and t of ...