Leetcode 3. Longest Substring Without Repeating Characters (sliding window)

Leetcode 3. Longest Substring Without Repeating Characters (sliding window)
github.com/Jas...
The idea behind using a sliding window for this problem is to maintain a window of characters where all characters are unique. The window slides through the string, and we keep track of the maximum length of the window. We use two pointers to define the window's boundaries.