#!/usr/bin/env ruby

statistics = {}
ARGF.each_line do |line|
  type, n_columns, n_rows, round, runtime = line.split
  statistics[[type, n_columns, n_rows]] ||= []
  statistics[[type, n_columns, n_rows]] << runtime
end

require "pp"
statistics.each do |(type, n_columns, n_rows), runtimes|
  runtime_median = runtimes.sort[runtimes.size / 2]
  puts("#{type}\t#{n_columns}\t#{n_rows}\t#{runtime_median}")
end