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【作品展示】

【作品介绍】
约瑟夫圆环问题效果图绘制程序
【作品源代码】
import turtle
pen = turtle.Pen()
turtle.bgcolor("#5BBDC8")
pen.hideturtle()
pen.up()
pen.goto(-80 , -80)
def start(n):
for j in range(n):
pen.up()
pen.forward(100)
pen.left(360 / n)
pen.down()
pen.dot(30, "#F8981D")
pen.color("#FFFFFF")
pen.write(j + 1 , align = "center", font = ("Arial", 16, "normal"))
def joseph(num, begin, k):
queue = list(range(1, num+1))
go_out = begin - 1
for i in range(num - 1):
go_out = (go_out + k - 1) % len(queue)
print('out:', queue[go_out])
pen.up()
pen.setheading(0)
pen.goto(-80, -80)
for j in range(queue[go_out]):
pen.up()
pen.forward(100)
pen.left(360 / num)
pen.down()
pen.dot(30, "#F9E54E")
pen.color("#FFFFFF")
pen.write(queue[go_out], align="center", font=("Arial", 16, "normal"))
queue.pop(go_out)
print('survivor:', queue[0])
start(8)
joseph(8, 5, 7)
turtle.done()
【提示】
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https://python.codemao.cn