#include "stdlib.h"
#include "time.h"
#include "string.h"
#define N 100
#define M 10
int add = N-1;
int sum[N]={0},Max[N],Min[N];
float aver[N]={0};
struct player
{int num;
char name[8];
int score[M];
}a[N];
void Inistplayer(struct player a[],int n)
{int i;
printf("输入3个选手编号，姓名,（用空格隔开）\n");
for(i=0;i
}
void Inputscore(int score[],int n)
{int i;
for(i=0;i
}
void sort(struct player a[],float b[],int n)
{int i,k,j,t;
float temp;
char str[8];
for(i=0;i
for(j=i+1;j
if(k!=i)
{temp=b[i];
b[i]=b[k];
b[k]=temp;
strcpy(str,a[i].name);
strcpy(a[i].name,a[k].name);
strcpy(a[k].name,str);
t=a[i].num;
a[i].num=a[k].num;
a[k].num=t;
}
}
} void save()
{FILE *fp;
int i;
if((fp=fopen("stu_list","wb"))==NULL)
{printf("cannot open file\n");
return;
}
for(i=0;i
printf("file write error\n");
fclose(fp);
}
main()
{int flag=1,n,i,m,j;
struct player a[N];
printf("**********1.输入选手数据***********\n");
printf("**********2.评委打分***************\n");
printf("**********3.成绩排序***************\n");
printf("**********4.数据查询***************\n");
printf("**********5.追加学生数据***********\n");
printf("**********6.写入数据文件***********\n");
printf("**********7.退出系统***************\n");
while(flag)
{printf("你想进行的操作:");
scanf("%d",&n);
switch(n)
{
case 1:Inistplayer(a,N);break;
case 2:srand((unsigned)time(NULL));
for(i=0;i
printf("%d位选手的成绩:",i+1);
Inputscore(a[i].score,M);
for(j=0;j
printf("\n");
}
break;
case 3:for(i=0;i
Min[i]=a[i].score[0];
for(j=0;j
sum[i]+=a[i].score[j];
if(Max[i]
}
aver[i]=(float)(sum[i]-Max[i]-Min[i])/(M-2);
}
sort(a,aver,N);
for(i=0;i
break;
case 4:printf("你想查询选手的数据:（编号）");
scanf("%d",&m);
for(i=0;i
{
printf("%d号选手%s总分:%d,最高分%d,最低分%d,平均分%5.2f",a[i].num,a[i].name,sum[i],Max[i],Min[i],aver[i]);
printf("\n");
}
break;
case 5:printf("请输入要追加的选手数据：\n");
add += 1;
scanf("%d %s",&a[add].num,&a[add].name);
break;
case 6:save();
printf("写入完成\n");
break;
case 7: printf("谢谢使用。");
exit(0);
break;
default:flag=0;
}
}return 0;
}
求完善啊..不是3个人 而是自己想输入多少就是多少..