21-Maktab training #1
Contest Problems
Problem Tasks
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Not Contest
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4. Sikl8
Time limit : 1000 ms
Memory limit : 64 mb
Berilgan ketma-ketlikni dastlabki $n$ ta xadi yig’indisini toping
$$S = x + \frac{x^2}{2!} + ...+ \frac{x^n}{n!}$$
Kiruvchi ma’lumotlar:
ikkita butun son $n$ va $x$ $(0\le n,x \le 9)$;
Chiquvchi ma’lumotlar:
$S$ – ketma-ketlikni dastlabki $n$ ta xadi yig’indisi $10^{-3}$ aniqlikda chiqarilsin.
Input |
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0 1 |
Output |
0.000 |
Input |
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2 1 |
Output |
1.500 |