Skip to content

Commit 50caa16

Browse files
committed
Runtime: 134 ms (Top 14.04%) | Memory: 45 MB (Top 18.98%)
1 parent 85bbe07 commit 50caa16

File tree

1 file changed

+12
-11
lines changed

1 file changed

+12
-11
lines changed
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,10 @@
1+
// Runtime: 134 ms (Top 14.04%) | Memory: 45 MB (Top 18.98%)
12
/**
23
* Definition for a binary tree node.
34
* function TreeNode(val, left, right) {
4-
* this.val = (val===undefined ? 0 : val)
5-
* this.left = (left===undefined ? null : left)
6-
* this.right = (right===undefined ? null : right)
5+
* this.val = (val===undefined ? 0 : val)
6+
* this.left = (left===undefined ? null : left)
7+
* this.right = (right===undefined ? null : right)
78
* }
89
*/
910
/**
@@ -13,23 +14,23 @@
1314
var flatten = function(root) {
1415
const dfs = (node) => {
1516
if (!node) return
16-
17+
1718
if (!node.left && !node.right) return node
18-
19+
1920
const leftNode = node.left
2021
const rightNode = node.right
21-
22+
2223
const leftTree = dfs(leftNode)
2324
const rightTree = dfs(rightNode)
24-
25+
2526
if (leftTree) leftTree.right = rightNode
26-
27+
2728
node.left = null
2829
node.right = leftNode || rightNode
29-
30+
3031
return rightTree || leftTree
3132
}
32-
33+
3334
dfs(root)
3435
return root
35-
};
36+
};

0 commit comments

Comments
 (0)