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krahets
2026-08-18 03:09:22 +08:00
parent d8c34d88b5
commit ba5285949b
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docs/chapter_tree/binary_tree.md
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@@ -185,8 +185,8 @@ comments: true
```kotlin title=""
/* 二叉树节点类 */
class TreeNode(val _val: Int) { // 节点值
val left: TreeNode? = null // 左子节点引用
val right: TreeNode? = null // 右子节点引用
var left: TreeNode? = null // 左子节点引用
var right: TreeNode? = null // 右子节点引用
}
```