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ruliana/gist:2819102

Created May 28, 2012 13:12
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Exemplo de intersecção 1 (em Ruby)
Raw
gistfile1.rb
pessoas_por_carro = Hash.new{|h, k| h[k] = []}
pessoas.each do |outra_pessoa|
carros_em_comum = pessoa.carros & outra_pessoa.carros
carros_em_comum.each do |carro|
pessoas_por_carro[carro] << outra_pessoa
end
end
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