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4
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1 def create_nodes(node_num)
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2 (0..node_num - 1).map { |i|
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3 i = "node" + i.to_s
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4 }
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5 end
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6
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7 def print_dot(connections)
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8 puts "digraph test {"
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9 connections.each { |connection|
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10 print "\t"
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11 print connection[0]
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12 print " -> "
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13 print connection[1]
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14 print ' [label="' + connection[2] + '"]'
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15 puts
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16 }
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17 puts "}"
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18 end
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19
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20 node_num = ARGV[0].to_i
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21 nodes = create_nodes(node_num)
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22 connections = Array.new
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23 nodes.each_with_index { |node, i|
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24 connections << [nodes[i], nodes[(i + 1) % node_num], "right"]
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25 connections << [nodes[i], nodes[i - 1], "left"]
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26 }
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27 print_dot(connections)
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28
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