## LeetCode 3. Longest Substring Without Repeating Characters [Swift 题解]

题目 Given a string, find the length of the longest substring without repeating characters. Example 1: Input: "abcabcbb" Output: 3 Explanation: The answer is "abc", with »

题目 Given a string, find the length of the longest substring without repeating characters. Example 1: Input: "abcabcbb" Output: 3 Explanation: The answer is "abc", with »

题目 You are given a string expression representing a Lisp-like expression to return the integer value of. The syntax for these expressions is given as follows. »

题目 Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put. get(key) - Get »

题目 A frog is crossing a river. The river is divided into x units and at each unit there may or may not exist a stone. »

题目 Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, add spaces in s to construct a sentence where each »