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40 lines
1.1 KiB
40 lines
1.1 KiB
/**
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* File: binary_tree.rs
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* Created Time: 2023-02-27
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* Author: xBLACKICEx (xBLACKICE@outlook.com)
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*/
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use std::rc::Rc;
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include!("../include/include.rs");
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use tree_node::TreeNode;
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/* Driver Code */
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fn main() {
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/* 初始化二叉树 */
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// 初始化节点
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let n1 = TreeNode::new(1);
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let n2 = TreeNode::new(2);
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let n3 = TreeNode::new(3);
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let n4 = TreeNode::new(4);
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let n5 = TreeNode::new(5);
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// 构建引用指向（即指针）
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n1.borrow_mut().left = Some(Rc::clone(&n2));
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n1.borrow_mut().right = Some(Rc::clone(&n3));
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n2.borrow_mut().left = Some(Rc::clone(&n4));
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n2.borrow_mut().right = Some(Rc::clone(&n5));
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println!("\n初始化二叉树\n");
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print_util::print_tree(&n1);
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// 插入节点与删除节点
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let p = TreeNode::new(0);
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// 在 n1 -> n2 中间插入节点 P
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p.borrow_mut().left = Some(Rc::clone(&n2));
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n1.borrow_mut().left = Some(Rc::clone(&p));
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println!("\n插入节点 P 后\n");
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print_util::print_tree(&n1);
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// 删除节点 P
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drop(p);
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n1.borrow_mut().left = Some(Rc::clone(&n2));
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println!("\n删除节点 P 后\n");
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print_util::print_tree(&n1);
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} |