fix preorder_traversal_iii_compact code

2026-07-11 23:16:07 +00:00 · 2023-09-09 00:51:00 +08:00
parent 2217ffc447
commit f71b2a40da
14 changed files with 17 additions and 37 deletions
@@ -20,8 +20,6 @@ func preOrder(root: TreeNode?) {
    if root.val == 7 {
        // 记录解
        res.append(path)
-        path.removeLast()
-        return
    }
    preOrder(root: root.left)
    preOrder(root: root.right)