Modify the problem of preorder_traversal_iii

2025-12-19 07:17:54 +08:00 · 2023-07-19 16:37:12 +08:00
parent 4e13755023
commit c54536d1a1
10 changed files with 15 additions and 3 deletions
--- a/codes/swift/chapter_backtracking/preorder_traversal_iii_compact.swift
+++ b/codes/swift/chapter_backtracking/preorder_traversal_iii_compact.swift
@@ -20,6 +20,7 @@ func preOrder(root: TreeNode?) {
    if root.val == 7 {
        // 记录解
        res.append(path)
+        return
    }
    preOrder(root: root.left)
    preOrder(root: root.right)