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Masala #5WWAC4WTUM

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

For #21

n butun soni berilgan (n > 0). Bir sikldan foydalangan holda quyidagi yig’indini hisoblovchi dastur tuzing. (Olingan natija taxminan e = exp(1) ga yaqinlashadi) 
\(1 + 1/(1!) +1/(2!) +1/(3!) + ... +1/(n!)\)

( Massivdan yoki [ ] amaldan foydalanmang kodda! )

Kiruvchi ma'lumotlar:

n butun sonda kiritiladi.  1≤N≤1000

Chiquvchi ma'lumotlar:

Masalada so'ralgan javobni namunadagidek chop eting.

Misollar
# input.txt output.txt
1 
4
 
2.70833333
2 
3
 
2.66666667

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