Статья Автор: Герасименко Фёдор

27-ая Задание Питон

import turtle


def dist(p, q):
    x1 = p[0]
    y1 = p[1]
    x2 = q[0]
    y2 = q[1]
    return ((x1 - x2) ** 2 + (y1 - y2) ** 2) ** 0.5


def Calc(p):
    ans = 0
    val = 10 ** 10
    for c in range(len(p)):
        s = 0
        for el in p:
            s += dist(p[c], el)
        if s < val:
            val = s
            ans = c
    return p[ans]


f = open('input.txt')
p = [list(map(float, s.split())) for s in f]
f.close()
cnt = 3
clusters = [[] for i in range(cnt)]
centers = [(6, 6, 0), (7.5, 6, 0), (8.8, 4.7, 1), (10, 4.5, 1), (8, 9, 2), (9, 9, 2)]
#centers = [(6.5, 2, 0), (7.5, 2.5, 0), (8.5, 5, 1), (9.5, 5, 1)]
for el in p:
    pos = -1
    val = 0
    for i in range(len(centers)):
        c = centers[i]
        if pos == -1 or dist(c, el) < val:
            pos = i
            val = dist(c, el)
    clusters[centers[pos][2]].append(el)


turtle.penup()
turtle.tracer(0)
m = 20
colors = ['green', 'red', 'blue', 'yellow']
for i in range(len(clusters)):
    for el in clusters[i]:
        turtle.goto(el[0] * m, el[1] * m)
        turtle.dot(colors[i])
turtle.done()
        
ans = []
for i in range(len(clusters)):
    ans.append(Calc(clusters[i]))

sumx = 0
sumy = 0
for el in ans:
    sumx += el[0]
    sumy += el[1]
print((sumx / len(clusters)) * 10000, (sumy / len(clusters)) * 10000)

#40627.39722899612 8195.372368473281

#79148.54156806704 36567.31447562716

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