Submission #3366014

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Source Code Expand

ai = lambda: list(map(int, input().split()))

import numpy as np
import math


def calc(A,B,C):
    a = np.linalg.norm(B - C)
    b = np.linalg.norm(C - A)
    c = np.linalg.norm(A - B)
    s = (a + b + c) / 2
    area = (s * (s - a) * (s - b) * (s - c)) ** 0.5
    r = 2 * area / (a + b + c)
    m = max(a,b,c)
    return m/(2+m/r)


a = np.array(ai())
b = np.array(ai())
c = np.array(ai())
print(calc(a,b,c))

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