~/algor $ cat masalalar/for-e-sonini-hisoblash
For-33
e sonini hisoblash
Muallif:
Iqbolshoh Ilhomjonov
O'rtacha
1000 ms
64 MB
46%
Natural son $n$ berilgan. Matematik doimiy $e \approx 2.718281828$ sonini quyidagi yig'indi orqali taxminan hisoblang:
$$S = 1 + \frac{1}{1!} + \frac{1}{2!} + \frac{1}{3!} + \dots + \frac{1}{n!}, \qquad k! = 1 * 2 * \dots * k$$
Kiruvchi ma'lumotlar
Bitta natural son $n$.
Chiquvchi ma'lumotlar
Bitta son — $S$, nuqtadan keyin aynan 6 ta raqam bilan (masalan, 2.000000).
Izoh
$1 \le n \le 20$
Misollar
Kirish #1
1
Chiqish #1
2.000000
Kirish #2
3
Chiqish #2
2.666667