For this problem, you are given N days of upvote count data, and a fixed window size K. For each window of K days, from left to right, find the number of non-decreasing subranges within the window minus the number of non-increasing subranges within the window.

A window of days i

For this problem, you are given N days of upvote count data, and a fixed window size K. For each window of K days, from left&nb