From 46a7b8169fb3bfdb1f260df165ae34951fe41a8e Mon Sep 17 00:00:00 2001
From: Cx330 <2011690092@qq.com>
Date: Fri, 14 Apr 2023 23:58:03 +0800
Subject: [PATCH] Cx330_3

---
 README.md | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7762331..e6fa115 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,36 @@ void PrintScore(STU stu[],int n,int m);             //打印学生成绩的函
 void WritetoFile(STU record[],int n,int m);         //输出学生信息到文件中的函数
 void ReadfromFile(STU record[],int *n,int *m);      //从文件中读取学生信息的函数
 ```
-### 成绩录入
+
+#### 主函数
+```
+int main(void)
+{
+    char ch;
+    int n = 0,m = 0;
+    STU stu[STU_NUM];
+    printf("Input student number(n<%d):",STU_NUM);
+    scnaf("%d",&n);
+    printf("Input course number(m<=%d):",COURSE_NUM);
+    scanf("%d",&m);
+    while(1)
+    {
+        ch = Menu();        //显示菜单，并读取用户输入
+        switch(ch)
+        {
+            case 1:ReadScore(stu,n,m);
+                    break;
+            case 2:AverSumofEveryCourse(stu,n,m);
+                    break;
+            case 3:AverSumofEveryStudent(stu,n,m);
+                    break;
+            case 4:SortbyScore(stu,n,m,Ascending);
+                   printf("\nSort in ascending order by score:\n");
+        }
+    }
+}
+```
+#### 成绩录入
 
 设计思想：成绩录入是对结构体中班级、姓名、学号和五门成绩的录入，同时加上对五门成绩平均成绩的计算。按照基本的录入，只需要scanf函数对数据输入，用printf函数进行汉字的打印即可。然后进行文件保存该组数据，最后判断是否继续录入。