Created
November 7, 2014 14:49
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ChristmasPresents 2, with global retry
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begin | |
puts "Namen trekken\n#############" | |
personGroups = [ | |
['Bram'], | |
['Jef'], | |
['Leen', 'Dries'], | |
['Marijke', 'Stijn'], | |
] | |
kaartjestrekkers = personGroups.flatten.shuffle | |
raise ArgumentError, 'Oneven aantal personen' unless kaartjestrekkers.length.even? | |
raise ArgumentError, 'Niet alle namen zijn uniek' if kaartjestrekkers.uniq.length != kaartjestrekkers.length | |
kaartjes = personGroups.flatten | |
kaartjestrekkers.each do |p| | |
validCards = personGroups.reject {|g| g.include? p}.flatten | |
kaartje = kaartjes.delete((kaartjes & validCards).sample) | |
if kaartje.nil? | |
puts "!!! bConflict!!! #{p} kan geen geldig kaartje meer trekken" | |
raise "conflict" | |
end | |
puts "#{p} => #{kaartje}" | |
end | |
rescue | |
puts "Het ging fout, nieuwe poging..." | |
retry | |
end |
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Note to self: triggers infinite loop when one of the ArgumentErrors is thrown. Needs rewrite ;)