From 2a7f4d5d4b4107c0aa85960e0e46adb56d665def Mon Sep 17 00:00:00 2001
From: Yuhao Ju <juguaguaji@gmail.com>
Date: Thu, 27 Apr 2023 16:44:28 +0800
Subject: [PATCH] =?UTF-8?q?update=20=20=200051.N=E7=9A=87=E5=90=8E?=
 =?UTF-8?q?=EF=BC=9A=E6=B7=BB=E5=8A=A0=E5=A4=8D=E6=9D=82=E5=BA=A6=E5=88=86?=
 =?UTF-8?q?=E6=9E=90?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0051.N皇后.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/problems/0051.N皇后.md b/problems/0051.N皇后.md
index bd1d1c9b..54580cf7 100644
--- a/problems/0051.N皇后.md
+++ b/problems/0051.N皇后.md
@@ -208,6 +208,9 @@ public:
     }
 };
 ```
+* 时间复杂度: O(n!)
+* 空间复杂度: O(n)
+
 
 可以看出，除了验证棋盘合法性的代码，省下来部分就是按照回溯法模板来的。