就是运动会分数统计#include<stdio.h>
#include<math.h>
#include <conio.h>
#include <process.h>
#define n 2//学校数目  
#define m 1//男子项目数目
#define w 1//女子项目数目
#define null 0

typedef struct
{
    int itemnum; //项目编号
    int top;    //取名次的数目
    int range[5]; //名次
    int mark[5];  //分数
}itemnode;   //定义项目结点的类型

typedef struct
{
    int schoolnum;   //学校编号
    int score;    //学校总分
    int mscore;   //男团体总分
    int wscore;   //女团体总分
    itemnode c[m+w];   //项目数组
}headnode;//定义头结点类型

headnode h[n];//定义一个头结点数组

void inputinformation()  //输入信息，建立系统
{
    int i,j,l,s;
    for(i=0;i<n;i++)
    {
        h[i].score=0;
        h[i].mscore=0;
        h[i].wscore=0;
    }                                            //初始化头结点
    for(i=0;i<n;i++)
    {
        printf("请输入学校编号:");
        scanf("%d",&h[i].schoolnum);               //输入头结点学校编号
        for(j=0;j<m+w;j++)
        {  
            printf("请输入项目编号:");
            scanf("%d",&h[i].c[j].itemnum);       //输入头结点项目编号
            printf("选择取前3名还是前5名:");
            scanf("%d",&h[i].c[j].top);           //输入头结点取名次数目
            printf("输入获得名次数：");
            scanf("%d",&l);                      //输入项目信息
            for(s=0;s<5;s++)
            h[i].c[j].range[s]=0, h[i].c[j].mark[s]=0;  //初始化排名和分数
            for(s=0;s<l;s++)
            {      
                printf("输入名次:");
                scanf("%d",&h[i].c[j].range[s]);     //输入所获名次信息
                if(h[i].c[j].top==3)
                switch(h[i].c[j].range[s])
                {
                case 0: h[i].c[j].mark[s]=0; break;
                case 1: h[i].c[j].mark[s]=5; break;
                case 2: h[i].c[j].mark[s]=3; break;
                case 3: h[i].c[j].mark[s]=2; break;
                }
                else
                switch(h[i].c[j].range[s])
                {
                 case 0: h[i].c[j].mark[s]=0; break;
                 case 1: h[i].c[j].mark[s]=7; break;
                 case 2: h[i].c[j].mark[s]=5; break;
                 case 3: h[i].c[j].mark[s]=3; break;
                 case 4: h[i].c[j].mark[s]=2; break;
                 case 5: h[i].c[j].mark[s]=1; break;
                 }
                        
                h[i].score=h[i].score+h[i].c[j].mark[s];
//按取前三名还是取前五名分别记分
                if(j<=m-1)
                    h[i].mscore=h[i].mscore+h[i].c[j].mark[s];
//是男子项目则记到男子分数里面去
                else
                    h[i].wscore=h[i].wscore+h[i].c[j].mark[s];
//是女子项目则记到女子项目里面去
            }
            printf("\n");
        }
    }
}

void output()     //输出函数
{
    int choice,i,j,t;
    int remember[n];
    int sign;
    do
    {
        printf("*******************1.按学校编号输出.*******************\n");
        printf("*******************2.按学校总分输出.*******************\n");
        printf("*******************3.按男团总分输出.*******************\n");
        printf("*******************4.按女团总分输出.*******************\n");
        printf("******************* 请选择编号*************************\n:");
        scanf("%d",&choice);//输入用户选择
        switch(choice)
        {
        case 1:
            for(i=0;i<n;i++)
            {
                printf("*****学校编号:%d\n",h[i].schoolnum);//输出学校编号
                printf("*****学校总分:%d\n" ,h[i].score);   //输出总分
                printf("*****男团总分:%d\n",h[i].mscore);   //输出男子团体总分
                printf("*****女团总分: %d\n\n\n",h[i].wscore);//输出女子团体总分
            }                                         //按编号顺序输出
            break;

        case 2:   
            for(i=0;i<n;i++)
                remember[i]=i;
            for(i=0;i<n;i++)
            {
                for(j=i+1;j<n;j++)
                    if(h[remember[i]].score<h[j].score)
                    {
                        t=remember[i];
                        remember[i]=remember[j];
                        remember[j]=t;// 用冒泡排序方法，用辅助数组记住头结点下标
                    }
            }              
            for(i=0;i<n;i++)
            {
                 printf("\n学校编号:%d\n",h[remember[i]].schoolnum);                                          
                 printf("学校总分:%d\n" ,h[remember[i]].score);
                 printf("男团总分:%d\n",h[remember[i]].mscore);
                 printf("女团总分: %d\n",h[remember[i]].wscore);

            }                                   //按学校总分输出各总分
            break;              

        case 3:      
            for(i=0;i<n;i++)
            remember[i]=i;
            for(i=0;i<n;i++)
            {
                for(j=i+1;j<n;j++)
                    if(h[remember[i]].mscore<h[j].mscore)
                    {
                        t=remember[i];
                        remember[i]=remember[j];
                        remember[j]=t;
                    }
            }

            for(i=0;i<n;i++)
            {
                printf("\n*****学校编号:%d\n",h[remember[i]].schoolnum);
                printf("*****学校总分:%d" ,h[remember[i]].score);
                printf("*****男团总分:%d",h[remember[i]].mscore);
                printf("*****女团总分: %d",h[remember[i]].wscore);
            }                                      //按男团总分输出
            break;

       case 4:      
           for(i=0;i<n;i++)
               remember[i]=i;
           for(i=0;i<n;i++)
           {
               for(j=i+1;j<n;j++)
                   if(h[remember[i]].wscore<h[j].wscore)
                   {
                       t=remember[i];
                       remember[i]=remember[j];
                       remember[j]=t;
                   }
           }

           for(i=0;i<n;i++)
           {
               printf("\n*****学校编号:%d\n",h[remember[i]].schoolnum);
               printf("*****学校总分:%d\n" ,h[remember[i]].score);
               printf("*****男团总分:%d\n",h[remember[i]].mscore);
               printf("*****女团总分:%d\n",h[remember[i]].wscore);
           }
           break;                                  //按女团总分输出
        }
        printf("请选择  1 继续,0 跳出\n");
        scanf("%d",&sign);
    }while(sign==1);                              //循环执行输出语句
}

void inquiry()                                            //查询函数
{
    int  choice;
    int  i,j,t,s;
    printf("\n*****1:按学校编号查询");
    printf("\n*****2:按项目编号查询");
    printf("\n*****请选择查询方式:");                //提供两种查询方式
    scanf("%d",&choice);
    switch(choice)
    {  
     case 1:
        do
        {
            printf("要查询的学校编号:");
            scanf("%d",&i);
            if(i>n)
                printf("错误：这个学校没有参加此次运动会!\n");
            else
            {
                printf("要查询的项目编号:");
                scanf("%d",&j);
                if(j>m+w||j==0)
                    printf("此次运动会没有这个项目\n");//学校编号超出范围

                else
                {  
                    printf("这个项目取前 %d名,该学校的成绩如下:\n", h[0].c[j-1].top);
                    for(t=0;t<5;t++)
                        if(h[i-1].c[j-1].range[t]!=0)
                            printf("名次:%d\n",h[i-1].c[j-1].range[t]);
//输出要查询学校项目的成绩
                 }
            }
            printf("请选择 1 继续 , 0 跳出\n");
            scanf("%d",&s);
            printf("\n\n\n");
        }while(s==1);                       //循环执行输出语句
        break;                     
           
    case 2:
        do
        {
            printf("要查询的项目编号:");
            scanf("%d",&s);
            if(s>m+w||s==0)
                printf("此次运动会不包括这个项目.\n\n\n");//项目编号超出范围

            else
            {
                printf("该项目取前 %d名,取得名次的学校\n",h[0].c[s-1].top);
                for(i=0; i<n;i++)
                   for(j=0;j<5;j++)
                      if(h[i].c[s-1].range[j]!=0)
                      printf("学校编号:%d,名次:%d\n",h[i].schoolnum,h[i].c[s-1].range[j]);
            }                         //输出该项目取得名次学校的成绩
            printf("\n继续 1,跳出 0\n");
            scanf("%d",&i);
            printf("\n");

        }while(i==1);
        break;
}
}
void writedata()                                   //把数据存储在文件中
{
    FILE *report;
    int i;
    if((report=fopen("sportsdata.txt","w"))==null)
    {
        printf("不能打开文件\n");
        exit(1);
    }
    for(i=0;i<n;i++)
        fwrite(&h[i],sizeof(headnode),1,report);
        fclose(report);
}                                                   //按头结点块写入

void readdata()                                  //读出文件中数据的函数
{
    FILE *report;
    int i,j,l,s;
    if((report=fopen("sportsdata.txt","r"))==null)
    {
        printf("file can not be opened\n");
        exit(1);
    }
   
    for(i=0;i<n;i++)
    {   
        printf("******学校编号:");
        fread(&l,sizeof(int),1,report);
        printf("%d\n",l);
        printf("******学校总分:");
        fread(&l,sizeof(int),1,report);
        printf("%d\n",l);
        printf("******男团总分:");
        fread(&l,sizeof(int),1,report);
        printf("%d\n",l);
        printf("******女团总分:");
        fread(&l,sizeof(int),1,report);
        printf("%d\n",l);
        printf("\n\n\n");
        getch();
        for(j=0;j<m+w;j++)
        {
            printf("******项目编号:");
            fread(&l,sizeof(int),1,report);
            printf("%d\n",l);
            printf("******所取名次数量:");
            fread(&l,sizeof(int),1,report);
            printf("%d\n",l);
            for(s=0;s<5;s++)
            {
                fread(&l,sizeof(int),1,report);
                if(l!=0)
                printf("******名次:"),
                printf("%d\n",l);
            }
            for(s=0;s<5;s++)
            {
                fread(&l,sizeof(int),1,report);
                if(l!=0) printf("******分数:"),
                   printf("%d\n",l);
            }
        }
        printf("\n\n\n");
        getch();
    }
    fclose(report);                                         //关闭文件
}                                                        //按照读一个数据就输出一个数据的方式显示数据内容

void  main()
{
    int choice;
    printf("***********************欢迎使用***********************\n");   
    printf("*****************运动会分数统计系统********************\n");
    printf("********************1.输入信息*************************\n");
    printf("********************2.输出信息*************************\n");
    printf("********************3.查询信息*************************\n");
    printf("********************4.调用信息*************************\n");
    printf("********************5.退出系统*************************\n");
    printf("********请选择要实现步骤的编号:\n");
    scanf("%d",&choice);
    switch(choice)
    {
    case 1:
        inputinformation();writedata();readdata();main();
    case 2:
        output();main();
    case 3:
        inquiry();main();
    case 4:
        readdata();main();
    case 5:
        exit(0);
    default:
        exit(0);
    }
}