From 6537533ded31acbf53b01a5cd1c515478d90c871 Mon Sep 17 00:00:00 2001
From: SnailClimb <koushuangbwcx@163.com>
Date: Sat, 20 Jul 2019 13:30:21 +0800
Subject: [PATCH] =?UTF-8?q?Update=20=E5=87=A0=E9=81=93=E5=B8=B8=E8=A7=81?=
 =?UTF-8?q?=E7=9A=84=E5=AD=90=E7=AC=A6=E4=B8=B2=E7=AE=97=E6=B3=95=E9=A2=98?=
 =?UTF-8?q?.md?=
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---
 .../几道常见的子符串算法题.md                        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/dataStructures-algorithms/几道常见的子符串算法题.md b/docs/dataStructures-algorithms/几道常见的子符串算法题.md
index c85c1b74..cd2a3e31 100644
--- a/docs/dataStructures-algorithms/几道常见的子符串算法题.md
+++ b/docs/dataStructures-algorithms/几道常见的子符串算法题.md
@@ -459,7 +459,7 @@ public class Main {
         return 0;
       }
     }
-    return flag == 1 ? res : -res;
+   return flag != 2 ? res : -res;
 
   }