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#include<stdio.h>
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#include<stdlib.h>
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#include<windows.h>
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#include<string.h>
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#define M 10 //宏定义评委人数
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struct player //结构体定义选手
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{
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int num;
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char name[8];
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int score[M];
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};
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void Intplayer(struct player a[],int n) //输入选手数据函数
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{
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int i;
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printf("请输入参赛歌手的人数：");
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scanf("%d",&n);
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printf("请输入歌手的学号和姓名：\n");
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for(i=0;i<n;i++)
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scanf("%d %s",&a[i].num,&a[i].name);
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}
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void sort(struct player a[],float b[],int n) //排序函数
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{
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int i,k,j,t;
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float temp;
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char str[8];
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for(i=0;i<n;i++)
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{
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k=i;
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for(j=i+1;j<n;j++)
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if(b[k]>b[j])
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k=j;
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if(k!=i)
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{
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temp=b[i];
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b[i]=b[k];
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b[k]=temp;
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strcpy(str,a[i].name);
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strcpy(a[i].name,a[k].name);
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strcpy(a[k].name,str);
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t=a[i].num;
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a[i].num=a[k].num;
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a[k].num=t;
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}
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}
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}
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void main()
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{
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system("color F4"); //白底红字
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int flag=1,n,i,m,j,r;
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FILE *fp;
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fp = fopen("data.txt","w+"); //文件写入位置
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struct player a[20];
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float aver[99]={0};
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int sum[99]={0};
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int Max[99];
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int Min[99];
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int add=2;
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printf(" 歌手比赛系统主菜单\n");
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printf("************************************************************\n");
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printf(" **********1.输入选手数据***********\n");
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printf(" **********2.评委打分***************\n");
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printf(" **********3.成绩排序***************\n");
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printf(" **********4.数据查询***************\n");
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printf(" **********5.追加学生数据***********\n");
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printf(" **********6.写入数据文件***********\n");
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printf(" **********7.退出系统***************\n");
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printf("*************************************************************\n\n\n\n");
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while(flag)
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{
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printf("请输入你想进行的操作：");
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scanf("%d",&r);
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switch(r)
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{
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case 1:
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Intplayer(a,n); //调用输入数据函数
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break;
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case 2:
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printf("请输入1中人数：");
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scanf("%d",&n);
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for(i=0;i<n;i++) //参赛人数循环
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{
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printf("%d号选手得分情况：\n",i+1);
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for(j=0;j<M;j++) //评委打分循环
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{
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printf("第%d位评委打分：",j+1);
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scanf("%d",&a[i].score[j]);
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}
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}
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break;
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case 3:
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printf("请输入1中人数：");
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scanf("%d",&n);
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for(i=0;i<n;i++)
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{
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Max[i]=a[i].score[0];
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Min[i]=a[i].score[0];
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for(j=0;j<M;j++) //判断某选手得分最大最小值
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{
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sum[i]+=a[i].score[j];
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if(Max[i]<a[i].score[j])
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Max[i]=a[i].score[j];
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if(Min[i]>a[i].score[j])
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Min[i]=a[i].score[j];
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}
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aver[i]=(float)(sum[i]-Max[i]-Min[i])/(M-2);
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}
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sort(a,aver,n); //调用排序函数
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for(i=0;i<n;i++)
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printf("%s %5.2f\n",a[i].name,aver[i]);
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break;
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case 4:
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printf("你想查询选手的数据:");
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scanf("%d",&m);
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for(i=0;i<n;i++)
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if(a[i].num==m)
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{
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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]);
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printf("\n");
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}
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break;
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case 5:
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printf("请输入要追加的选手数据：\n");
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add += 1;
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scanf("%d %s",&a[add].num,&a[add].name);
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break;
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case 6:printf("将数据写入文件中：\n");
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for (i = 0 ; i < add+1 ; i++)
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{
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fprintf(fp,"%d ",a[i].num);
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fprintf(fp,"%s ",a[i].name);
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fprintf(fp,"%d\n",a[i].score);
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}
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break;
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case 7:exit(0);
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break;
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default:flag=0;
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}
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}
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} |
