diff --git a/problems/二叉树理论基础.md b/problems/二叉树理论基础.md index dab434e6..411e7e22 100644 --- a/problems/二叉树理论基础.md +++ b/problems/二叉树理论基础.md @@ -227,6 +227,21 @@ function TreeNode(val, left, right) { } ``` +Swift: +```Swift +class TreeNode { + var value: T + var left: TreeNode? + var right: TreeNode? + init(_ value: T, + left: TreeNode? = nil, + right: TreeNode? = nil) { + self.value = value + self.left = left + self.right = right + } +} +``` -----------------------