Longest Substring Without Repeating Characters In 60 Chars
Longest Substring Without Repeating Characters" solved using sliding window & Set, O(n) time, O(k) space. Optimize with hash map for better perf.
Top Interview 150 The Longest Substring Without Repeating Characters problem is a classic sliding window problem that tests your ability to efficiently manage substrings. Let’s solve LeetCode 3 step by step. 🚀 Problem Description Given a string s, return the length of the longest substring without repeating characters. 💡 Examples Example 1 Input: s = "abcabcbb" Output: 3 Explanation: The answer is "abc", with a length of 3. Example 2 Input: s = "bbbbb" Output: 1 Explanation: The answer is "b", with a length of 1....