Säähavainnot

class Day
  attr_accessor :days, :average, :median, :max, :min, :delta, :time_of_year, :id, :approximation
  def initialize(days, id)
    @id = id
    @days = days
    @average = days.sum / days.length
    @median = days.sort[days.length / 2]
    @max = days.max
    @min = days.min
    @delta = days.max - days.min
    @time_of_year = @average + @min + @max
    @approximation = @average + @median + @max + @min - @delta
  end

  def similarity(other)
    values = [@average, @mean, @max, @min, @delta]
    values2 = [other.average, other.mean, other.max, other.min, other.delta]
    score = 5 # values length
    values.zip(values2).each do |v1, v2|
      score -= (v1 - v2).abs
    end
  end

  def output(arr, offsets)
    op = []
    (1..12).each do |num|
      if arr.include?(num)
        op << (self.days[-num] - offsets[num - 1]).round(1).to_s
      else
        op << "?"
      end
    end
    puts op.join(" ")
  end
end

count = gets.chomp.to_i
days = []
count.times do |index|
  days << Day.new(gets.chomp.split(" ").map(&:to_f), index)
end

=begin
[1, [-4, 15]]
[2, [-4, 15]]
[3, [-4, 15]]
[4, [-4, 14]]
[5, [-3, 13]]
[6, [-2, 10]]
[7, [-1, 8]]
[8, [0, 9]]
[9, [1, 10]]
[10, [2, 12]]
[11, [2, 13]]
[12, [3, 14]]
=end
choose = [7, 8]
offsets = [-3.431051242882933, -3.523816136647688, -3.4148034995139565, -3.0720733231495627, -2.432856547701708, -1.5726982363560618, -0.5563116233856409, 0.5106235245104846, 1.4303568948757117, 2.163449520899875, 2.748229412581586, 3.184002221913623]

days.each do |day|
  day.output(choose, offsets)
end

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED