From ae62f75cc47eb1bda61512f3065e1fdf08fa7abf Mon Sep 17 00:00:00 2001
From: p49a3zeks <1346664542@qq.com>
Date: Sun, 12 Nov 2023 22:07:10 +0800
Subject: [PATCH] Add step3

---
 step3 | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 step3

diff --git a/step3 b/step3
new file mode 100644
index 0000000..4d17714
--- /dev/null
+++ b/step3
@@ -0,0 +1,55 @@
+#include<stdio.h>
+struct Student
+{
+	int id;
+	float gs;
+	float dw;
+	float yy;
+	float sum;
+	float aver;
+}stu[3],temp;
+int main()
+{
+	printf("                              1.Input\n");
+	printf("                              2.Output\n");
+	printf("                              3.Order\n");
+	printf("                              4.Quit\n");
+	int i=0,j=0;
+	char x;
+	scanf("%c",&x);
+	switch(x){
+		case 'o':printf("You are trying to Output info");break;
+		case 'm':printf("You are trying to Make things ordered");break;
+		case 'q':printf("You are about to Quit");break;
+		case 'i':printf("Please input info of the three students:\n");
+			for(i=0;i<3;i++)
+			{
+				scanf("%d\n",&stu[i].id);
+				scanf("%f\n",&stu[i].gs);
+				scanf("%f\n",&stu[i].dw);
+				scanf("%f\n",&stu[i].yy);
+				stu[i].sum=stu[i].gs+stu[i].dw+stu[i].yy;
+				stu[i].aver=stu[i].sum/3;
+			}
+			for( i=0;i<3;i++)//排序操作 
+			{
+				for( j=0;j<3-i-1;j++)
+				{
+					if(stu[j].sum>stu[j+1].sum)
+					{
+					temp=*(stu+j);
+					*(stu+j)=*(stu+j+1);
+					*(stu+j+1)=temp;
+				    }
+				}
+			}
+			for(i=0;i<3;i++)
+			{
+				printf("学号 %d，总成绩 %.1f,平均成绩 %.1f\n",stu[i].id,stu[i].sum,stu[i].aver);
+			}
+			break;
+			
+		default:printf("Wrong input\n");break;
+	}
+	return 0;
+}
\ No newline at end of file