成绩打分

#include<stdio.h>
#include<stdlib.h>
#include <string.h>
#define N 10


struct  Data
{
   char  Name[20];//姓名
   int   Num ;//编号
   int flags ;//评委是否打分  1：已经打分  0：未打分
   float Score[10];//10个人的成绩
   float Max;//最高分
   float Min;//最低分
   float Aver;//平均分(除去最高分和最低分)
};

struct Songer_info        //定义歌手信息数据结构体 
{
   Data data ;
   Songer_info *next;
 };

Songer_info *Create(Songer_info *Head);//创建
void Input(Songer_info *Head);//添加信息
void  Judge(Songer_info *Head);//打分
void Search(Songer_info *Head); //查询
Songer_info *Sort(Songer_info *Head);//冒泡排序
void Look(Songer_info *Head);//查看信息
void  Alter(Songer_info *Head);//修改数据
void Save(Songer_info *Head);//保存文件

int main()
{
   Songer_info *Head = NULL;
   Head=Create(Head);
   int i;
   do                          //显示一个选择菜单 
   {
     printf("
");
     printf("**********************************
");
     printf("            歌手比赛系统          
");
     printf("**********************************
");
     printf("1************输入数据*************
"); 
     printf("2************评委打分*************
"); 
     printf("3************成绩排名*************
");
     printf("4************数据查询*************
");
     printf("5************修改数据*************
");
     printf("6************写入数据*************
");
     printf("7************退出系统*************
");
     printf("请选择您要进行的操作:");
     scanf("%d",&i);                                 //用户进行功能选择 
     switch(i)
     {                       
       case 1: Input(Head);                        //函数调用 
               break;
       case 2: Judge(Head);
               break;
       case 3: Look(Sort(Head));
               break;
       case 4: Search(Head);
               break;
       case 5: Alter(Head);
               Look(Head);
               break;
       case 6: Save(Head);
               break;
       case 7: break;
       default : printf("请输入正确选项！！！");
       break;
      }
   }while (i!=7);
    return 0;
}

Songer_info *Create(Songer_info *Head)//创建
{
    Head = (Songer_info *)malloc(sizeof Songer_info);//分配存储块
    if(Head==NULL)//分配失败
    {
        printf("Fial to Create!
");
        exit(0);
    }
    Head->next=NULL;
    return Head;
}

void Input(Songer_info *Head)//添加信息
{
    int Flags;//标记
    float max = 0,min = 100,sum = 0;
    Songer_info *Songer = NULL;
    Songer = Head->next;
    Data temp;
    printf("-------------------------------
");
    printf("*           添加              *
");
    printf("-------------------------------
");
    printf("**选手编号:");
    scanf("%d",&temp.Num);
   
    Flags = 1;
    while(Songer!=NULL)
    {
        if(Songer->data.Num==temp.Num)//编号存在
        {
            Flags = 0; 
            break;
        }
        Songer=Songer->next;
    }

    if(Flags==1)
    {
        //Songer_info *Songer=NULL;
        Songer_info *p=NULL;
        Songer_info *s=NULL;
        Songer=Head;
        p=Songer->next;
        while(p!=NULL)
        {
            Songer=p;
            p=Songer->next;
        }
        s=(Songer_info *)malloc(sizeof Songer_info);
        
                            //检查完毕，开始输入 
         
       printf("**姓名:");
       scanf("%s",&temp.Name);

       temp.flags = 0;//评委未打分
       s->data = temp ;
       Songer->next = s;
       s->next=p;
       printf("*           添加成功          *
");
    }else   printf("*           编号重复          *
");
    printf("-------------------------------

");
}

void  Judge(Songer_info *Head)//打分
{
    int i,Flags;//标记
    float max = 0,min = 100,sum = 0;
    Songer_info *Songer = NULL;
    Songer = Head->next;
    Data temp;
    printf("-------------------------------
");
    printf("*           打分              *
");
    printf("-------------------------------
");
    printf("**选手编号:");
    scanf("%d",&temp.Num);
   
    Flags = 1;
    while(Songer!=NULL)
    {
        if(Songer->data.Num==temp.Num)//编号存在
        {
            printf("**请分别输入%d个评委的成绩:
",N);
            strcpy(temp.Name,Songer->data.Name);
            for(i=0;i<N;i++)
            {
               printf("第%d个评委给的成绩:",i+1);
               scanf("%f",&temp.Score[i]);
               if(max<temp.Score[i])max = temp.Score[i];
               if(min>temp.Score[i]) min = temp.Score[i];
               sum += temp.Score[i];
            }
       
           temp.Max = max;
           temp.Min = min;
           temp.Aver = ( sum - max - min ) / (N - 2);
           temp.flags = 1;//该选手已经打分
           Songer->data = temp;
           printf("*           打分成功          *
");
           Flags = 0; 
           break;
        }
        Songer=Songer->next;
    }  
    if(Flags==1)  printf("*           编号不存在         *
");
    printf("-------------------------------

");
}

void Search(Songer_info *Head)  //查询
{
    int i;
    Songer_info *Songer;
    Songer=Head->next;
    int Num;
    printf("-------------------------------
");
    printf("*             查询             *
");
    printf("-------------------------------
");
    if(Songer!=NULL)
    {
        printf("***编号:");
        scanf("%d",&Num);
        int flags = 1;//用于判断编号是否存在
        while(Songer!=NULL){
            if(Num==Songer->data.Num) //找到相应的编号 
            {
                printf("编号:%d	",Songer->data.Num);
                printf("姓名:%s
",Songer->data.Name);
                if(Songer->data.flags==1)
                {
                    printf("成绩:
");
                    for(i=0;i<N;i++)    printf("%.1f  ",Songer->data.Score[i]);
                    printf("
");
                    printf("最高分:%.2f	",Songer->data.Max);
                    printf("最低分:%.2f
",Songer->data.Min);
                    printf("平均分:%.2f
",Songer->data.Aver);
                }
                flags = 0;
                break;
            }
            Songer=Songer->next;
        }
        if(flags==1)printf("              没有查询到！！！
");
        printf("-------------------------------

");
    }
} 

Songer_info *Sort(Songer_info *Head)//冒泡排序
{
    Songer_info *p,*p1,*p2,*p3;
    Songer_info h, t;
    if (Head == NULL) return NULL;
    h.next=Head;
    p=&h;
    while (p->next!=NULL)
    {
        p=p->next;
    }
    p=p->next=&t;
    while (p!=h.next)
    {
        p3=&h;
        p1=p3->next;
        p2=p1->next;
        while (p2!=p) 
        {
            if ((p1->data.Aver)>(p2->data.Aver))
            {
                p1->next=p2->next;
                p2->next=p1;
                p3->next=p2;

                p3=p2; 
                p2=p1->next;

            } else {
                p3=p1;
                p1=p2;
                p2=p2->next;
            }
        }
        p=p1;
    }
    while (p->next!=&t)
    {
        p=p->next;
    }
    p->next=NULL;
    return h.next;
}

void Look(Songer_info *Head)//查看信息
{
    int i;
    Songer_info *q=NULL;
    q=Head->next;
    printf("-------------------------------
");
    printf("*           信息显示           *
");
    printf("-------------------------------
");
    
    while(q!=NULL)
    {
        printf("编号:%d	",q->data.Num);
        printf("姓名:%s
",q->data.Name);
        if(q->data.flags==1)
        {
            printf("成绩:
");
            for(i=0;i<N;i++)    printf("%.1f  ",q->data.Score[i]);
            printf("
");
            printf("平均分:%.2f
",q->data.Aver);
            printf("最高分:%.2f	",q->data.Max);
            printf("最低分:%.2f

",q->data.Min);
            
        }
        q=q->next;
    }
    printf("-------------------------------

");
}

void  Alter(Songer_info *Head)//修改数据
{
    int i,Flags,select;//标记
    float max = 0,min = 100,sum = 0;
    Songer_info *Songer = NULL;
    Songer = Head->next;
    Data temp;
    printf("-------------------------------
");
    printf("*           修改              *
");
    printf("-------------------------------
");
    printf("**选手编号:");
    scanf("%d",&temp.Num);
   
    Flags = 1;
    while(Songer!=NULL)
    {
        if(Songer->data.Num==temp.Num)//编号存在
        {
            printf("**修改姓名:[1:修改;0:不修改]:");
            scanf("%d",&select);
            if(select==1)
            {
                printf("**姓名:");
                scanf("%s",&temp.Name);
            }
            printf("**修改评委分成绩:[1:修改;0:不修改]:");
            scanf("%d",&select);
            if(select==1)
            {
                printf("**请分别输入%d个评委的成绩:
",N);
                for(i=0;i<N;i++)
                {
                   printf("第%d个评委给的成绩:",i+1);
                   scanf("%f",&temp.Score[i]);
                   if(max<temp.Score[i])max = temp.Score[i];
                   if(min>temp.Score[i]) min = temp.Score[i];
                   sum += temp.Score[i];
                }
       
               temp.Max = max;
               temp.Min = min;
               temp.Aver = ( sum - max - min ) / (N - 2);
               temp.flags = 1;//该选手已经打分
            }
           Songer->data = temp;
           printf("*           修改成功          *
");
           Flags = 0; 
           break;
        }
        Songer=Songer->next;
    }  
    if(Flags==1)  printf("*           编号不存在         *
");
    printf("-------------------------------

");
}

void Save(Songer_info *Head)//保存文件
{
    int i;
    Songer_info *q=NULL;
    q=Head->next;

    FILE *fp;
    if((fp=fopen("file.txt","w+"))==NULL)
    {
        printf("文件不存在
");
        
    }else{
         while(q!=NULL)
        {
             fprintf(fp,"%d	",q->data.Num);//编号存入文件
             fprintf(fp,"%s	",q->data.Name);//姓名存入文件
             fprintf(fp,"%d
",q->data.flags);
             if(q->data.flags==1)
             {
                 for(i = 0;i<N;i++)    fprintf(fp,"%.1f	",q->data.Score[i]);
             
             }
             fprintf(fp,"
");
             q=q->next;
        }
        printf("*         写入数据文件        *
");
        printf("-------------------------------

");
       fclose(fp);
    }
}