From cd85716854f538beb303db92e3d43221f0ffb982 Mon Sep 17 00:00:00 2001
From: tong tong zhang <tong521-2002@qq.com>
Date: Wed, 26 Apr 2023 20:50:42 +0800
Subject: [PATCH] 11

---
 readme2.md | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/readme2.md b/readme2.md
index 4fffd5a..093c25e 100644
--- a/readme2.md
+++ b/readme2.md
@@ -364,10 +364,12 @@ step4输入下一个科目
 ````
 4·按选择法将数组sum的元素值排序 
 SortbyScore
-step1
-step2
-step3
+Step 1:利用循环将i赋值给k
+Step 2:用循环从i+1到n-1比较,将较小的赋给k
+Step 3:如果k与i不相等，每一课的成绩交换，总分，平均分，学号，姓名依次交换
 ````
+![排序](sortbyscore.drawio.svg)
+
 
 
 5·按选择法将数组num的元素值按从低到高排序