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* Retranslate the complete English edition from Simplified Chinese * Polish three English explanations after reader-focused review
39 lines
840 B
Ruby
39 lines
840 B
Ruby
=begin
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File: binary_tree.rb
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Created Time: 2024-04-18
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Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)
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=end
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require_relative '../utils/tree_node'
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require_relative '../utils/print_util'
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### Driver code ###
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if __FILE__ == $0
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# Initialize the binary tree
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# Initialize the nodes
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n1 = TreeNode.new(1)
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n2 = TreeNode.new(2)
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n3 = TreeNode.new(3)
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n4 = TreeNode.new(4)
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n5 = TreeNode.new(5)
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# Set up references (pointers) between the nodes
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n1.left = n2
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n1.right = n3
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n2.left = n4
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n2.right = n5
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puts "\nInitialize the binary tree\n\n"
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print_tree(n1)
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# Insert and remove nodes
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_p = TreeNode.new(0)
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# Insert node _p between n1 and n2
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n1.left = _p
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_p.left = n2
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puts "\nAfter inserting node _p\n\n"
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print_tree(n1)
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# Remove a node
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n1.left = n2
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puts "\nAfter removing node _p\n\n"
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print_tree(n1)
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end
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