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Bingo for the Win!

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English

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Time limit
1000 ms
Memory limit
2048 MB (no extra memory)
Submissions
0
Correct
0
Solved by
0
AC rate
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Statement

Bingo for the Win!, page 1

Bingo for the Win!, page 2

Examples

Sample input 1
3 4
1 2 3 4
1 2 5 6
3 4 7 8
Sample output 1
0.000000000
0.500000000
0.500000000
Sample input 2
4 2
1 2
3 4
10 5
7 8
Sample output 2
0.250000000
0.250000000
0.250000000
0.250000000

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