RoboContest

A
10
B
10
C
10
D
10
E
10
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10
G
10
H
10
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10
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10
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10
L
10
M
10
N
10
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10
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10
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10

Masala H

Xotira 16 MB Vaqt 1000 ms
14
Muallif: Saydullayev Quvonchbek

Mergan

Merganning nishonga tekkizish ehtimolligi aa ga teng. Mergan nn marta o’q otganda n−1n-1 marta nishonga tegish ehtimolligini toping.

Kiruvchi ma'lumotlar:

Haqiqiy son a(0≤a≤1)a(0≤a≤1) va nn natural son (1≤n≤ 105)(1 ≤ n ≤ 10^5)

Chiquvchi ma'lumotlar:

Nishonga tegish ehtimolligi 10−410^{-4} aniqlikda chiqaring.

Misollar
# input.txt output.txt
1 
0.9 4
 
0.2916
2 
0 7
 
0.0000

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