Given a binary array A of size N and an integer M. Find the maximum number of consecutive 1's produced by flipping at most M 0's.
The first line contains an integer T denoting the total number of test cases. In each test cases, the first line contains an integer N denoting the size of array. The second line contains N space-separated integers A1, A2, ..., AN denoting the elements of the array. Third line consists of an integer m that is maximum number of flips allowed.
Output the maximum numbers of consecutive 1's.
1 <= T <= 103
1 <= N <= 107
0 <= M <= N
0 <= Ai <= 1
1 0 0 1 1 0 1 0 1 1 1
Testcase 1: Maximum subarray is of size 8 which can be made subarray of all 1 after flipping two zeros to 1.
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