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Yudong Jin
2022-12-24 16:15:41 +08:00
parent 3339a648d0
commit b1645c7d7e
24 changed files with 235 additions and 233 deletions
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docs/chapter_tree/binary_tree_traversal.md
+3 -3
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@@ -156,11 +156,11 @@ comments: true
Queue<TreeNode> queue = new();
queue.Enqueue(root);
// 初始化一个列表，用于保存遍历序列
List<int?> list = new();
List<int> list = new();
while (queue.Count != 0)
{
TreeNode node = queue.Dequeue(); // 队列出队
list.Add(node.val); // 保存结点值
TreeNode node = queue.Dequeue(); // 队列出队
list.Add(node.val); // 保存结点值
if (node.left != null)
queue.Enqueue(node.left); // 左子结点入队
if (node.right != null)