mirror of
https://github.com/krahets/hello-algo.git
synced 2025-11-04 14:18:20 +08:00
39 lines
804 B
Ruby
39 lines
804 B
Ruby
=begin
|
|
File: binary_tree.rb
|
|
Created Time: 2024-04-18
|
|
Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)
|
|
=end
|
|
|
|
require_relative '../utils/tree_node'
|
|
require_relative '../utils/print_util'
|
|
|
|
### Driver Code ###
|
|
if __FILE__ == $0
|
|
# 初始化二叉树
|
|
# 初始化节点
|
|
n1 = TreeNode.new(1)
|
|
n2 = TreeNode.new(2)
|
|
n3 = TreeNode.new(3)
|
|
n4 = TreeNode.new(4)
|
|
n5 = TreeNode.new(5)
|
|
# 构建节点之间的引用（指针）
|
|
n1.left = n2
|
|
n1.right = n3
|
|
n2.left = n4
|
|
n2.right = n5
|
|
puts "\n初始化二叉树\n\n"
|
|
print_tree(n1)
|
|
|
|
# 插入与删除节点
|
|
_p = TreeNode.new(0)
|
|
# 在 n1 -> n2 中间插入节点 _p
|
|
n1.left = _p
|
|
_p.left = n2
|
|
puts "\n插入节点 _p 后\n\n"
|
|
print_tree(n1)
|
|
# 删除节点
|
|
n1.left = n2
|
|
puts "\n删除节点 _p 后\n\n"
|
|
print_tree(n1)
|
|
end
|