From 6231c08624ffca557a00e5358e0d1963b1136e58 Mon Sep 17 00:00:00 2001
From: tong tong zhang <tong521-2002@qq.com>
Date: Sat, 22 Apr 2023 20:36:27 +0800
Subject: [PATCH] =?UTF-8?q?=E5=90=88=E5=B9=B6?=
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---
 README.md | 39 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index fabe634..350dc7c 100644
--- a/README.md
+++ b/README.md
@@ -144,7 +144,22 @@ i+1, stu[i].sum, stu[i].aver);
 	}	
 }
 //3 函数功能：计算每门课程的总分和平均分 
-
+void  AverSumofEveryCourse(STU stu[], int n, int m)
+{
+	int i, j;
+    float sum[COURSE_NUM], aver[COURSE_NUM];
+	for (j=0; j<m; j++)
+	{
+	    sum[j] = 0;
+	    for (i=0; i<n; i++)
+	    {
+            sum[j] +=  stu[i].score[j];
+	    }
+        aver[j]=sum[j]/i;
+        printf("student %d: sum = %.0f, aver = %.0f\n", 
+j+1, sum[j], aver[j]); 
+    }
+}
 //4 函数功能：按选择法将数组sum的元素值排序 
 
 // 5使数据按升序排序 
@@ -158,7 +173,13 @@ int Descending(float a, float b)
 	return a > b;
 }
 // 7交换两个单精度浮点型数据 
-
+void  SwapFloat(float *x, float *y)
+{
+float temp;
+temp = *x;
+*x = *y;
+*y = temp;
+}
 // 8交换两个长整型数据 
 
 // 9交换两个字符串 
@@ -170,7 +191,19 @@ strcpy(x, y);
 strcpy(y, temp);
 }
 // 10函数功能：按选择法将数组num的元素值按从低到高排序 
-
+void AsSortbyNum(STU stu[], int n, int m)
+{
+	int  i, j, k, t;
+	for (i=0; i<n-1; i++)
+	{
+        K=i;
+        for(j=i+1;j<10;j++)
+        {
+			if((*compare)(stu[k]num.stu[j].num)) k=j;}
+        if(k!=i)
+        {t=stu[i].num;stu[i].num=stu[k].num;stu[k].num=t;}
+	}
+}
 // 11函数功能：交换法实现字符串按字典顺序排序 
 void AsSortbyNum(STU stu[], int n, int m)
 {