18/11/06 23:43:20.04 iVEsbroy.net
>>230
線形代数は偉大
import numpy as np
N = int(input())
x, y = [], []
for i in range(N):
_x, _y = map(float, input().split())
x.append(_x)
y.append(_y)
x = np.array(x)
y = np.array(y)
px = np.array([x**k for k in range(N)])
a = np.dot(y, np.linalg.inv(px))
print(a[::-1])