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Problem 4772. -- 显而易见的数论

4772: 显而易见的数论

Time Limit: 40 Sec  Memory Limit: 256 MB
Submit: 87  Solved: 39
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Description

Input

Output

Sample Input

input 1
1
3 3
0 1 2

input 2
2
5 4
4 1 5 2

input 3
3
7 5
12 11 45 6 2

Sample Output

output 1

4

output 2
31

output 3
7346

HINT


Source

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