From 3accc7602597a2d6c7af017326d8caf9cb30be16 Mon Sep 17 00:00:00 2001
From: Yuhao Ju <juguaguaji@gmail.com>
Date: Thu, 27 Apr 2023 16:34:55 +0800
Subject: [PATCH] =?UTF-8?q?update=20=20=200090.=E5=AD=90=E9=9B=86II?=
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 =?UTF-8?q?=E6=9E=90?=
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---
 problems/0090.子集II.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/problems/0090.子集II.md b/problems/0090.子集II.md
index 1a9f8fda..63f75d29 100644
--- a/problems/0090.子集II.md
+++ b/problems/0090.子集II.md
@@ -83,6 +83,9 @@ public:
     }
 };
 ```
+* 时间复杂度: O(n * 2^n)
+* 空间复杂度: O(n)
+
 
 使用set去重的版本。
 ```CPP