Säähavainnot

class Day
  attr_accessor :days
  def initialize(days)
    @days = days
  end
 
  def output(arr, offsets, vars)
    op = []
    last = days[-1]
    slast = days[-2]
    a, b, c = vars
=begin
    peak = days[12...24].index(days[12...24].reverse.max) + 12
    peakright = peak
    peakleft = peak
    while peakright < 22
      peakright += 1
      peakleft -= 1
    end
      peakright += 1
      peakleft -= 0.8
=end
    (1..12).each do |num|    
      if arr.include?(num)
        
        op << ((((self.days[-num])*a + last*b + slast*c) / (a+b+c) - offsets[num - 1]).round(2))
        slast = last
        last = op[-1]
        op[-1] = op[-1].to_s
      else
        op << "?"
      end
    end
    puts op.join(" ")
  end
end
 
count = gets.chomp.to_i
days = []
count.times do
  days << Day.new(gets.chomp.split(" ").map(&:to_f))
end

choose = [1, 2, 3, 4, 5, 6, 7]
offsets = [-0.03, -0.02, 0.01, 0.07, 0.14, 0.23, 0.3, 0.37, 0.41, 0.4, 0.38, 0.37]

vars = [2.4742, 20, -5.0]

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