Category
Similar Problems
0310. Yakuniy_2_A
Time limit : 1000 ms
Memory limit : 64 mb
Ifodani qiymatini hisoblang
$$s = \frac{1}{x^1} + \frac{2}{x^2} + ... + \frac{n}{x^n}$$
Kiruvchi ma’lumotlar: Ikkita butun son $n$ va $x$ $(0 < n,x \le 10)$
Chiquvchi ma’lumotlar: Bitta son masala yechimi. Yechim $10^{-2}$ aniqlikda chiqarilsin .
Input |
---|
1 1 |
Output |
1.00 |
Input |
---|
5 1 |
Output |
15.00 |