Submission #2704642

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Source Code Expand

n = gets.to_i

class Point
    attr_accessor :idx, :x, :y
    def initialize(x, y, idx)
        @x = x
        @y = y
        @idx = idx
    end
    def calcdistance(otherP)
        ret = (@x-otherP.x)**2+(@y-otherP.y)**2
        return ret**0.5
    end
end

points = []

n.times do |i|
    x, y = gets.split.map{|j| j.to_i}
    points.push(Point.new(x, y, i))
end

max_dist = 0

points.each do |pp|
    points.each do |q|
        if pp.idx != q.idx then
            max_dist = [max_dist, pp.calcdistance(q)].max
        end
    end
end
puts max_dist

Submission Info

Judge Result