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School Accuracy: 41.38% Submissions: 8133 Points: 0

Given a stream of numbers, print average or mean of the stream at every point.

Input: The first line of input contains an integer T denoting the number of test cases.
For each test case there will be two lines. The first line contains an integer N denoting the size of array C[], and second line contains N space seperated integers C[i].

Output:
Print the average of the stream at every point (in integer).

Constraints:
1 ≤ T ≤ 20
1 ≤ N ≤ 50
1 ≤ C[i] ≤ 100

Example:
Input
2
5
10 20 30 40 50
2
12 2

Output
10 15 20 25 30
12 7

 

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