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krahets
2024-03-18 03:11:07 +08:00
parent bc0054a577
commit 54c7448946
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9
docs/chapter_tree/binary_tree_traversal.md
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@ -233,13 +233,14 @@ comments: true
// 初始化一个列表，用于保存遍历序列
let mut vec = Vec::new();
while let Some(node) = que.pop_front() { // 队列出队
vec.push(node.borrow().val); // 保存节点值
while let Some(node) = que.pop_front() {
// 队列出队
vec.push(node.borrow().val); // 保存节点值
if let Some(left) = node.borrow().left.as_ref() {
que.push_back(Rc::clone(left)); // 左子节点入队
que.push_back(Rc::clone(left)); // 左子节点入队
}
if let Some(right) = node.borrow().right.as_ref() {
que.push_back(Rc::clone(right)); // 右子节点入队
que.push_back(Rc::clone(right)); // 右子节点入队
};
}
vec