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Masala #UVI4L5FNVN

Xotira 16 MB Vaqt 1000 ms
14
Muallif: Otabek Aralov Abduxamitovich

For #23

n butun soni va x haqiqiy soni berilgan (n > 0). Quyidagi yig’indini hisoblovchi dastur tuzing. (Olingan natija taxminan sin(x) ga yaqinlashadi) 
\(x- x^3 / 3! + x^5 / 5! -... +(-1)^nx^{2*n+1} /(2*n+1)!\)

( Massivdan yoki [ ] amaldan foydalanmang kodda! )

Kiruvchi ma'lumotlar:

Birinchi qatorda n butun son kiritiladi.  1≤n≤1000

Ikkinchi qatorda x haqiqiy son kiritiladi. |x|<1

Chiquvchi ma'lumotlar:

Masala javobini namunadagidek chop eting.

Misollar
# input.txt output.txt
1 
2
1.3
 
0.96477442
2 
2
-1.3
 
-0.96477442

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