cq/main8.c

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#define N 3
#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];
};
void c(const unsigned short textColor)
{       
	if(textColor>=0 && textColor<=15)
    	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), textColor);
    else
    	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 7);}
void Inistplayer(struct player a[], int n)
{
    int i;
    printf("请输入选手的序号和姓名（输入格式：序号 姓名）\n");
    for (i = 0; i < n; i++)
        
        scanf("%d %s", &a[i].num, a[i].name);
}
void Inputscore(int score[], int n)
{
    int i;
    for (i = 0; i < n; i++)
        scanf("%d",&score[i]);
}
void sort(struct player a[], float b[], int n)
{
    int i, k, j,t;
    float temp;
    char str[8];
    for (i = 0; i < n-1; i++)
    {
        k = i;
        for (j = i + 1; j < n; j++)
            if (b[k] > b[j])
                k = 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;
        }

    }
}
int main()
{
    int flag = 1,  i, m, j;
    char n;
    FILE *fp;
    struct player a[20];

    while(flag)
    {
    	
    	c(4);printf("                歌手比赛管理系统                \n"); 	
c(4);printf("★★★★★★★★★★★★★★★★★★★★★★★★\n");
c(1);printf("                 1）输入选手数据                \n");
c(5);printf("                 2）评委打分                    \n");
c(6);printf("                 3）成绩排序                    \n");
c(8);printf("                 4）数据查询                    \n");
c(9);printf("                 5）追加学生数据                \n");
c(10);printf("                 6）写入数据文件                \n");
c(13);printf("                 7）退出系统                    \n");
c(4);printf("★★★★★★★★★★★★★★★★★★★★★★★★\n");
c(15);printf("                                                \n");
        printf("输入序号以选择功能：");
           
   scanf("%d,",&n);
 
        switch(n)
        {
    case 1:system("cls");   
	Inistplayer(a,N);printf("Press any key to continue..."); 
getch();system("cls");     
	
        break;
    case 2:
    	system("cls");
  
        for(i=0;i<N;i++)
        {  	
	
		 printf("注意事项：所有成绩满分为10，最低分为0\n");
            printf("评委给第%d位选手的分数是：",i+1);
                Inputscore(a[i].score,M);
                printf("第%d位的选手所有成绩：\n",i+1);
				
            for(j=0;j<M;j++)
               { printf("%d\t",a[i].score[j]);} 
            printf("\n") ;
            printf("Press any key to continue..."); 
            getch();
        	system("cls");
        }  
			system("cls");
        break;
    case 3:
system("cls");
	printf("成绩计算规则：去掉最高分，去掉最低分\n");
	for(i=0;i<N;i++)
           {
               Max[i]=a[i].score[0];
               Min[i]=a[i].score[0];
               for(j=0;j<M;j++)
               {
                   sum[i]+=a[i].score[j];
                   if(Max[i]<a[i].score[j])
                       Max[i]=a[i].score[j];
                   if(Min[i]>a[i].score[j])
                       Min[i]=a[i].score[j];
               }
               aver[i]=(float)(sum[i]-Max[i]-Min[i])/(M-2);

           }
        sort(a,aver,N);
        for(i=0;i<N;i++)
            {
			printf("%s\t%5.2f\n",a[i].name,aver[i]);}printf("Press any key to continue..."); 
getch();
       system("cls"); break;
    case 4:
system("cls");
	printf("输入序号以查询选手：");
               scanf("%d",&m);
        for(i=0;i<N;i++)
            if(a[i].num==m)
            {
                printf("第%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");
            }printf("Press any key to continue..."); 
getch();
           system("cls"); break;
    case 5:
system("cls");	printf("请输入要追加的选手数据:\n");
             add=add+1;
             scanf("%d %s",&a[add].num,a[add].name);     
			 printf("Press any key to continue..."); 
getch();
           system("cls");  break;
    case 6:
    system("cls");
	printf("将数据写入文件\n"); 
    fp=fopen("歌手比赛数据文件.txt","w");
    int i=0;
for(i<add+2;i++;)
    {
        fprintf(fp,"%d %s %d %d %d %5.2f",a[i].num,a[i].name,sum[i],Max[i],Min[i],aver[i]);
    }
    fclose(fp);printf("Press any key to continue..."); 
getch();
      system("cls");  break;
    case 7:system("cls");exit(0);
      system("cls");  break;
    default:flag=0;
        }
    }

    return 0;
}