Square-free Division (easy Version)

easy
Question Solve Solutions 
<a href="https://codeforces.com/problemset/problem/1497/E1">https://codeforces.com/problemset/problem/1497/E1</a>

Input Format

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Output Format

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Constraints

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Notice

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Example

Input
3
5 0
18 6 2 4 1
5 0
6 8 1 24 8
1 0
1
Output
3
2
1
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