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38 lines
1.1 KiB
Rust
38 lines
1.1 KiB
Rust
/**
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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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use hello_algo_rust::include::{print_util, TreeNode};
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/* Driver Code */
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fn main() {
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/* 初始化二元樹 */
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// 初始化節點
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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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// 構建節點之間的引用（指標）
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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初始化二元樹\n");
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print_util::print_tree(&n1);
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// 插入節點與刪除節點
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let p = TreeNode::new(0);
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// 在 n1 -> n2 中間插入節點 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插入節點 P 後\n");
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print_util::print_tree(&n1);
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// 刪除節點 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刪除節點 P 後\n");
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print_util::print_tree(&n1);
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}
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