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步骤5（修改后）.c

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+#include<stdio.h>
+#include<string.h>
+void sortexam(char *b[],char *name[],int f[],float c[],float d[],float e[],float g[],int h,int n)/*班级内成绩排序*/
+{
+	int i,j;
+	int t=0;
+	char a='0';
+	char *p=&a;
+	float k=0;
+	for(i=h;i<=n;i++)/*冒泡*/
+	for(j=h;j<=n-i;j++)
+	{
+		if(g[j]<g[j+1])
+		{
+	    p=b[j];
+		b[j]=b[j+1];
+		b[j+1]=p;
+		p=name[j];
+		name[j]=name[j+1];
+		name[j+1]=p;
+		c[j]=c[j+1];
+		c[j+1]=k;
+		k=d[j];
+		d[j]=d[j+1];
+		d[j+1]=k;
+		k=e[j];
+		e[j]=e[j+1];
+		e[j+1]=k;
+			k=g[j];
+		g[j]=g[j+1];
+		g[j+1]=k;
+		}
+	}
+}
+void sortclass(char *b[],char *name[],int f[],float c[],float d[],float e[],float g[],int n)/*班级排序程序*/
+{
+	int i,j;
+	char a='0';
+	char *p=&a;
+	int t=0;
+	float k=0;
+	for(i=1;i<=n;i++)/*冒泡*/
+	for(j=1;j<=n-i;j++)
+	{
+		if(f[j]>f[j+1])
+		{
+		t=f[j];/*交换*/
+		f[j]=f[j+1];
+		f[j+1]=t;
+		p=b[j];
+		b[j]=b[j+1];
+		b[j+1]=p;
+		p=name[j];
+		name[j]=name[j+1];
+		name[j+1]=p;
+		k=c[j];
+		c[j]=c[j+1];
+		c[j+1]=k;
+		k=d[j];
+		d[j]=d[j+1];
+		d[j+1]=k;
+		k=e[j];
+		e[j]=e[j+1];
+		e[j+1]=k;
+			k=g[j];
+		g[j]=g[j+1];
+		g[j+1]=k;
+		}
+	}
+}
+int deletename(char *b[],char *name[],int f[],float c[],float d[],float e[],float g[],int n)/*删除程序*/
+{
+	int i,j;
+	int k;/*储存长度*/
+	k=n;
+	char a[1001];
+	scanf("%s",&a);
+	for(i=1;i<=n;i++)
+	{
+		if(strcmp(b[i],a)==0||strcmp(name[i],a)==0)/*比较*/
+		{
+			k--;
+		for(j=i;j<=n;j++)
+		{
+				b[j]=b[j+1];
+				name[j]=name[j+1];
+				f[j]=f[j+1];
+				c[j]=c[j+1];
+				d[j]=d[j+1];
+				e[j]=e[j+1];
+				g[j]=g[j+1]; 
+		}
+	}
+}
+return k;
+}
+int main()
+{
+	char s[1001];
+	char a[10001];
+	int i;
+	int k;
+	int n=3; 
+	char *b[1001]={"0","10001","10002","10003","0"};/*学号*//*学艺不精的痛*/
+	char *name[1001]={"0","Zhang","Yang","Liang","0"};/*姓名*/
+	int f[1001]={0,11,12,11};/*班级*/
+	float c[1001]={0,99.5,77.9,92.5},d[1001]={0,88.5,56.5,99.0},e[1001]={0,89.5,87.5,60.5};/*成绩*/
+	float g[1001]={0};/*总成绩*/
+	for(i=1;i<=3;i++)
+	g[i]=c[i]+d[i]+e[i];
+	n=deletename(b,name,f,c,d,e,g,3);
+	sortclass(b,name,f,c,d,e,g,n);
+	k=1;/*前端*/
+	for(i=1;i<=n;i++)
+	{
+	if(f[i+1]!=f[k])
+	{
+	sortexam(b,name,f,c,d,e,g,k,i);
+	k=i+1;
+}
+}
+for(i=1;i<=n;i++)
+{
+	printf("%s %d %s %.1f %.1f %.1f",b[i],f[i],name[i],c[i],d[i],e[i]);
+	printf("\n");
+}
+printf("Are you sure(yes/no)?\n");
+scanf("%s",&a);
+if(strcmp(a,"n")==0)
+{
+for(i=1;i<=n;i++)
+{
+	printf("%s %d %s %.1f %.1f %.1f",b[i],f[i],name[i],c[i],d[i],e[i]);
+	printf("\n");
+}
+}
+return 0;
+}