- Time limit: 1.00 s
- Memory limit: 512 MB
You are given an array of integers. Your task is to calculate the number of inversions in each window of elements, from left to right.
An inversion is a pair of elements where the left element is larger than the right element.
Input
The first line contains two integers and : the number of elements and the size of the window.
Then there are integers : the contents of the array.
Output
Print values: the numbers of inversions.
Constraints
Example
Input:
8 3 1 2 3 2 5 2 4 4
Output:
0 1 1 1 2 0