Merge pull request #1423 from wzqwtt/tree18

添加(0538.把二叉搜索树转换为累加树) Scala版本
This commit is contained in:
程序员Carl
2022-07-06 09:27:25 +08:00
committed by GitHub

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@ -352,6 +352,24 @@ function convertBST(root: TreeNode | null): TreeNode | null {
};
```
## Scala
```scala
object Solution {
def convertBST(root: TreeNode): TreeNode = {
var sum = 0
def convert(node: TreeNode): Unit = {
if (node == null) return
convert(node.right)
sum += node.value
node.value = sum
convert(node.left)
}
convert(root)
root
}
}
```
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