void RemoveLeafNodes(bintree &T, char target) { //你的代码写在这里 /**********begin***********/ /**********end***********/ }
时间: 2023-11-25 21:51:20 浏览: 54
这是一道关于二叉树的题目,要求删除二叉树中所有值为target的叶子节点。下面是一个Swift语言的解法,你可以参考一下:
```swift
func removeLeafNodes(_ root: TreeNode?, _ target: Int) -> TreeNode? {
guard let root = root else { return nil }
let left = removeLeafNodes(root.left, target)
let right = removeLeafNodes(root.right, target)
// 更新节点
root.left = left
root.right = right
// 是否删除
if left == nil && right == nil && root.val == target {
return nil
}
return root
}
```
如果你想使用C++语言实现,可以参考下面的代码:
```c++
void RemoveLeafNodes(TreeNode* &root, int target) {
if (root == nullptr) {
return;
}
RemoveLeafNodes(root->left, target);
RemoveLeafNodes(root->right, target);
if (root->left == nullptr && root->right == nullptr && root->val == target) {
delete root;
root = nullptr;
}
}
```