From eabee81951f6c5a7a56bc4916dcb10b22b69d3b6 Mon Sep 17 00:00:00 2001
From: pqfc6e4lh <407900437@qq.com>
Date: Tue, 7 Nov 2023 00:51:43 +0800
Subject: [PATCH] ADD file via upload

---
 步骤8.c | 231 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 231 insertions(+)
 create mode 100644 步骤8.c

diff --git a/步骤8.c b/步骤8.c
new file mode 100644
index 0000000..e46a38d
--- /dev/null
+++ b/步骤8.c
@@ -0,0 +1,231 @@
+#include<stdio.h>
+#include<string.h>
+#include<stdlib.h>
+int len=0;
+struct Student/*½á¹¹Ìå³¢ÊÔ*//*È«¾Ö±äÁ¿*/
+{
+	char id[200];
+	int clas;
+	char name[200];
+	double a;
+	double b;
+	double c;
+	double d;
+}stu[10001];
+void print()/*´òÓ¡³ÌÐò*/
+{
+	int i;
+	for(i=1;i<=len;i++)
+	printf("%s,%d,%s,%.1lf,%.1lf,%.1lf,%.1lf\n",stu[i].id,stu[i].clas,stu[i].name,stu[i].a,stu[i].b,stu[i].c,stu[i].d);
+}
+void input()/*ÊäÈë³ÌÐò*/
+{
+	char e[1001];
+	len++;
+	printf("Id  ");
+	scanf("%s",&stu[len].id);
+
+	printf("class  ");
+	scanf("%d",&stu[len].clas);
+	printf("name  ");
+	scanf("%s",&stu[len].name);
+	printf("score1  ");
+	scanf("%lf",&stu[len].a);
+	printf("score2  ");
+	scanf("%lf",&stu[len].b);
+	printf("score3  ");
+	scanf("%lf",&stu[len].c);
+	stu[len].d=stu[len].a+stu[len].b+stu[len].c;
+	printf("continue?\n");
+	scanf("%s",&e);
+	if(strcmp(e,"no")==0)
+	menuprint();
+	else if(strcmp(e,"yes")==0)
+	input();
+		
+}
+void delet()/*ɾ³ý³ÌÐò*/
+{
+	int i,j;
+	int k;/*´¢´æ³¤¶È*/
+	k=len;
+	char e[1001],f[1001];
+	scanf("%s",&e);
+	if(len>1)
+	{
+	for(i=1;i<=len;i++)
+	{
+		if(strcmp(stu[i].id,e)==0||strcmp(stu[i].name,e)==0)
+		{
+			
+			k--;
+			for(j=i;j<=len;j++)
+			{
+			strcpy(stu[j].id, stu[j+1].id);
+            stu[j].clas=stu[j+1].clas;
+		    strcpy(stu[j].name,stu[j+1].name);
+			stu[j].a=stu[j+1].a;
+			stu[j].b=stu[j+1].b;
+			stu[j].c=stu[j+1].c;
+			stu[j].d=stu[j+1].d;
+		}
+		}
+}
+if(k!=len)
+len=k;
+print();
+}
+else if(len<=1)
+printf("You can't delete this one because there is only one student in it!\n");
+	printf("continue?\n");
+scanf("%s",&f);
+	if(strcmp(f,"no")==0)
+	menuprint();
+	else if(strcmp(f,"yes")==0)
+	select();
+}
+void select()
+{
+	char e[1001],f[1001];
+	scanf("%s",&e);
+	int i,j;
+	for(i=1;i<=len;i++)
+	{
+		if(strcmp(stu[i].id,e)==0||strcmp(stu[i].name,e)==0)
+		{
+			printf("%s,%d,%s,%.1lf,%.1lf,%.1lf,%.1lf\n",stu[i].id,stu[i].clas,stu[i].name,stu[i].a,stu[i].b,stu[i].c,stu[i].d);
+		}
+}
+	printf("continue?\n");
+scanf("%s",&f);
+	if(strcmp(f,"no")==0)
+	menuprint();
+	else if(strcmp(f,"yes")==0)
+	select();
+}
+void order()
+{
+	int k=0;
+	int i;
+	sortclass();
+	k=1;/*Ç°¶Ë*/
+	for(i=1;i<=len;i++)
+	{
+	if(stu[i+1].clas!=stu[k].clas)
+	{
+	sortexam(k,i);
+	k=i+1;
+}
+print();
+menuprint();
+}
+}
+void sortclass()/*°à¼¶ÅÅÐò³ÌÐò*/
+{
+	int i,j;
+	char e[1001]="0";
+	int t=0;
+    double k=0;
+	for(i=1;i<=len;i++)/*ðÅÝ*/
+	for(j=1;j<=len-i;j++)
+	{
+		if(stu[j].clas>stu[j+1].clas)
+		{
+		t=stu[j].clas;
+		stu[j].clas=stu[j+1].clas;
+		stu[j+1].clas=t;
+		strcpy(e,stu[j].id);
+		strcpy(stu[j].id, stu[j+1].id);
+		strcpy(stu[j+1].id,e);
+		strcpy(e,stu[j].name);
+		strcpy(stu[j].name, stu[j+1].name);
+		strcpy(stu[j+1].name,e);
+		k=stu[j].a;
+		stu[j].a=stu[j+1].a;
+		stu[j+1].a=k;
+		k=stu[j].b;
+		stu[j].b=stu[j+1].b;
+		stu[j+1].b=k;
+		k=stu[j].c;
+		stu[j].c=stu[j+1].c;
+		stu[j+1].c=k;
+		k=stu[j].d;
+		stu[j].d=stu[j+1].d;
+		stu[j+1].d=k;
+		}
+	}
+}
+void sortexam(int m,int h)/*°àÄÚÅÅÐò³ÌÐò*/
+{
+	int i,j;
+	char e[1001]="0";
+	int t=0;
+    double k=0;
+	for(i=m;i<=h;i++)/*ðÅÝ*/
+	for(j=m;j<=h-i;j++)
+	{
+		if(stu[j].d<stu[j+1].d)
+		{
+		t=stu[j].clas;
+		stu[j].clas=stu[j+1].clas;
+		stu[j+1].clas=t;
+		strcpy(e,stu[j].id);
+		strcpy(stu[j].id, stu[j+1].id);
+		strcpy(stu[j+1].id,e);
+		strcpy(e,stu[j].name);
+		strcpy(stu[j].name, stu[j+1].name);
+		strcpy(stu[j+1].name,e);
+		k=stu[j].a;
+		stu[j].a=stu[j+1].a;
+		stu[j+1].a=k;
+		k=stu[j].b;
+		stu[j].b=stu[j+1].b;
+		stu[j+1].b=k;
+		k=stu[j].c;
+		stu[j].c=stu[j+1].c;
+		stu[j+1].c=k;
+		k=stu[j].d;
+		stu[j].d=stu[j+1].d;
+		stu[j+1].d=k;
+		}
+	}
+}
+void judge()
+{
+	int t;
+	scanf("%d",&t);
+	if(t==1)
+	input();
+	else if(t==2)
+	delet();
+	else if(t==3)
+	select();
+	else if(t==4)
+	order();
+	else if(t==5)
+	{
+	print();
+	menuprint();
+}
+	else if(t!=6)
+	{
+		printf("Wrong input\n");
+		menuprint();
+	}
+}
+void  menuprint()
+{
+	printf("1.input\n");
+	printf("2.delet\n");
+	printf("3.select\n");
+	printf("4.order\n");
+	printf("5.output\n");
+	printf("6.quit\n");
+	printf("please input your option\n");
+	judge();
+}
+int main()
+{
+	menuprint();
+return 0;
+}