Fix the code of preorder_traversal_iii_compact

2026-08-30 11:57:13 +00:00 · 2023-07-21 22:08:26 +08:00
parent 075c3abf88
commit bba62bbe75
11 changed files with 19 additions and 10 deletions
@@ -19,6 +19,7 @@ func preOrderIII(root *TreeNode, res *[][]*TreeNode, path *[]*TreeNode) {
 	if int(root.Val) == 7 {
 		// 记录解
 		*res = append(*res, *path)
+		*path = (*path)[:len(*path)-1]
 		return
 	}
 	preOrderIII(root.Left, res, path)