From 68bc753996e42fa6d10ef18bfd15143598804e51 Mon Sep 17 00:00:00 2001
From: lucifer <azl397985856@gmail.com>
Date: Thu, 16 Apr 2020 13:23:03 +0800
Subject: [PATCH] Update 56.merge-intervals.md

---
 problems/56.merge-intervals.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/problems/56.merge-intervals.md b/problems/56.merge-intervals.md
index 27fc546ef..9acfdab8b 100644
--- a/problems/56.merge-intervals.md
+++ b/problems/56.merge-intervals.md
@@ -94,3 +94,7 @@ class Solution:
         
         return res
 ```
+
+***复杂度分析***
+- 时间复杂度：由于采用了排序，因此复杂度大概为 $O(NlogN)$
+- 空间复杂度：$O(N)$