From 3d07bc28e5d26555ce08e46e59614e79e22c75c2 Mon Sep 17 00:00:00 2001
From: mgt <mgt@oi-wiki.org>
Date: Tue, 5 Jan 2021 16:43:12 +0800
Subject: [PATCH] Update docs/misc/main-element.md

---
 docs/misc/main-element.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/misc/main-element.md b/docs/misc/main-element.md
index ae11e801..3f56d54f 100644
--- a/docs/misc/main-element.md
+++ b/docs/misc/main-element.md
@@ -56,7 +56,7 @@ while(n--) {
 printf("%d",q[top-1]);
 ```
 
-再进行优化后，空间复杂度也可以降至 $\mathcal O(1)$。
+再进行优化后，空间复杂度也可以降至 $O(1)$。
 
 ```cpp
 int val = -1,cnt = 0;
-- 
2.11.0