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First negative integer in window size B

Given an array of integers A of size N and an integer B.
Find the first negative integer for each and every window(contiguous subarray) of size B.
If a window does not contain a negative integer, then return 0 for that window.

Input Format

The arguments given are integer array A and integer B.

Output Format

Return an integer array of size N+1-B representing answer of the ith window.


1 <= length of the array <= 200000
-10^9 <= A[i] <= 10^9 

For Example

Input 1:
    A = [-1, 2, 3, -4, 5]
    B = 2
Output 1:
    [-1, 0, -4, -4] 

Input 2:
    A = [-8, 2, 3, -6, 10]
    B = 2
Output 2:
    [-8, 0, -6, -6]
NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a doubt? Checkout Sample Codes for more details.
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