Added Guillaume Petit submission, and result.txt file. Ran with Ruby …

…1.9.1

10_GuillaumePetit/fair_distribution.rb

@@ -0,0 +1,45 @@
+# Author : Guillaume Petit
+
+class Array
+
+  def sum
+    inject(0.0) { |memo, value| memo + value }
+  end
+
+end
+
+class FairDistribution
+
+  attr_reader :distribution
+
+  def initialize(jobs, nb_of_presses)
+    @jobs = jobs.sort { |a, b| b <=> a }
+    @nb_of_presses = nb_of_presses
+
+    @ideal_balance = @jobs.sum / @nb_of_presses
+
+    balance # the real deal
+  end
+
+  def time_required
+    @distribution.map { |distrib| distrib.sum }.max
+  end
+
+  private
+
+  def balance
+    @distribution = (1..@nb_of_presses).map { [] }
+
+    @jobs.each do |job|
+      @distribution[find_place_for(job)] << job
+    end
+  end
+
+  # try to find a place (distribution) by first looking for an "ideal" place
+  # and if not found, use the smallest simulated time
+  def find_place_for(job)
+    simulated_times = @distribution.map { |distrib| distrib.sum + job }
+    simulated_times.index(@ideal_balance) || simulated_times.each_with_index.min.last
+  end
+
+end

10_GuillaumePetit/result.txt

@@ -0,0 +1,7 @@
+***** FULL TEST REQUESTED *****
+Loaded suite test_solution_acceptance
+Started
+.....
+Finished in 0.000000 seconds.
+
+5 tests, 8 assertions, 0 failures, 0 errors, 0 skips