Window Sliding Technique

• tags: Sliding Window,Brute Force Approach
• source: GeeksforGeeks. “Window Sliding Technique,” April 16, 2017. https://www.geeksforgeeks.org/window-sliding-technique/.

Use a Sliding Window to instead Brute Force Approach, improve time complexity big O from \(O(n^2)\) to \(O(n)\).