c++用代码实现学校运动会管理系统

c++代码实现学校运动会管理

#include <iostream>  
#include <cstdio>  
#include <string>  
#include <windows.h>  
#include <set>  
#include <map>  
using namespace std;  
const int maxn = 100005;  
typedef long long ll;  
map< pair<string, string>, int> mtable;//男生参赛成绩  
map< pair<string, string>, int> wtable;//女生参赛成绩  
multimap<string, string> parti;//学号对应参赛项目  
set <string> st;//有哪些学生学号  
map<string, int> mitem;//参加该项目的女学生数  
map<string, int> witem;//参加该项目的男学生数  
map<string, int> item;//项目数参加人数  
map<string, int> acad;//学院的总得分  
map<string, int> macad;//学院男生得分  
map<string, int> wacad;//学院女生得分  
int cnt;  
struct student  
{  
    string number;  
    string name;  
    string acad;  
    string sex;  
    int participate;  
} stu[maxn];  
void menu()  
{  
    cout<<"**************系统菜单功能项*****************\n";  
    cout<<"1.运动会报名\n";  
    cout<<"2.参赛信息查询\n";  
    cout<<"3.竞赛检录\n";  
    cout<<"4.竞赛成绩录入\n";  
    cout<<"5.竞赛成绩查询\n";  
    cout<<"6.竞赛成绩排序\n";  
    cout<<"7.退出程序\n";  
    return ;  
}  
void apply()//报名  
{  
    system("cls");  
    string s1,s2,s3,s4,s5;  
    cout<<"请输入学生信息\n";  
    cout<<"请分别输入学生所属学院名，学生姓名，学生学号， 学生性别，学生参加的项目名\n";  
    cin>>s1>>s2>>s3>>s4>>s5;  
    if(st.find(s3)==st.end())  
    {  
        stu[cnt].acad=s1;  
        stu[cnt].name=s2;  
        stu[cnt].number=s3;  
        stu[cnt].sex=s4;  
        stu[cnt++].participate++;  
        st.insert(s3);  
    }  
    else  
    {  
        for(int i=0; i<cnt; ++i)  
        {  
            if(s3==stu[i].number)  
            {  
                if(stu[i].participate+1<=3)  
                    stu[i].participate++;  
                else  
                {  
                    printf("此学生已经报满3项，无法继续填报\n");  
                    return ;  
                }  
            }  
        }  
    }  
    parti.insert(make_pair(s3,s5));  
    acad.insert(make_pair(s1,0));  
    item[s5]++;  
    if(s4=="男")  
    {  
        mitem[s5]=mitem[s5]+1;  
        macad.insert(make_pair(s1,0));  
        mtable[pair<string, string>(s3,s5)]=0;  
    }  
    else  
    {  
        witem[s5]=witem[s5]+1;  
        wacad.insert(make_pair(s1,0));  
        wtable[pair<string, string>(s3,s5)]=0;  
    }  
    return ;  
}  
void query()//查询  
{  
    printf("信息查询的结果如下\n");  
    for(int i=0; i<cnt; ++i)  
    {  
        cout<<"学生学号"<<stu[i].number<<"  "<<"学生姓名"<<stu[i].name<<"  "<<"学生性别"<<stu[i].sex<<"  "<<"学生所属院系"<<stu[i].acad<<"  "<<"学生参加项目数"<<stu[i].participate<<endl;;  
        cout<<"同学姓名："<<" "<<stu[i].name<<" "<<"参加了以下项目\n";  
        multimap<string,string>::iterator it=parti.begin();  
        for(; it!=parti.end(); it++)  
        {  
            if(it->first==stu[i].number)  
            {  
                cout<<it->second<<"  ";  
            }  
        }  
        cout<<"\n";  
    }  
    return ;  
}  
void registration()//检录  
{  
    system("cls");  
    cout<<"请输入即将检录的比赛项目名字"<<endl;  
    string s;  
    cin>>s;  
    cout<<"请一下同学前来检录"<<"\n";  
    int flag=0;  
    multimap<string, string>::iterator it = parti.begin();  
    for(; it!=parti.end(); ++it)  
    {  
        if(it->second==s)  
        {  
            flag=1;  
            cout<<it->first<<endl;  
        }  
    }  
    if(!flag)  
        cout<<"没有人报名该比赛\n"<<endl;  
    return ;  
}  
void record()//录入成绩  
{  
    printf("请输入学生学号，和项目名字以及项目的名次\n");  
    string s1,s2;  
    int grade, ans=0;  
    cin>>s1>>s2>>grade;  
    for(int i=0; i<cnt; ++i)  
    {  
        if(stu[i].number==s1)  
        {  
            if(stu[i].sex=="男")  
            {  
                if(mitem[s2]>6)  
                {  
                    if(grade==1)  
                        ans=7;  
                    else if(grade==2)  
                        ans=5;  
                    else if(grade==3)  
                        ans=3;  
                    else if(grade==4)  
                        ans=2;  
                    else if(grade==5)  
                        ans=1;  
                    else  
                        ans=0;  
                }  
                else  
                {  
                    if(grade==1)  
                        ans=5;  
                    else if(grade==2)  
                        ans=3;  
                    else if(grade==3)  
                        ans=2;  
                    else  
                        ans=0;  
                }  
                macad[stu[i].acad]+=ans;  
                mtable[pair<string,string>(s1,s2)]=ans;  
            }  
            else  
            {  
                if(witem[s2]>6)  
                {  
                    if(grade==1)  
                        ans=7;  
                    else if(grade==2)  
                        ans=5;  
                    else if(grade==3)  
                        ans=3;  
                    else if(grade==4)  
                        ans=2;  
                    else if(grade==5)  
                        ans=1;  
                    else  
                        ans=0;  
                }  
                else  
                {  
                    if(grade==1)  
                        ans=5;  
                    else if(grade==2)  
                        ans=3;  
                    else if(grade==3)  
                        ans=2;  
                    else  
                        ans=0;  
                }  
                wacad[stu[i].acad]+=ans;  
                wtable[pair<string, string>(s1,s2)]=ans;  
            }  
            acad[stu[i].acad]+=ans;  
        }  
    }  
}  
void menu2()  
{  
    cout<<"1.按学院查看\n";  
    cout<<"2.按参赛项目查看\n";  
    cout<<"3.按参赛运动员查看\n";  
    cout<<"4.退出\n";  
    cout<<"请输入您的选择\n";  
    return ;  
}  
void query_contest1()  
{  
    map<string, int>::iterator it=acad.begin();  
    for(; it!=acad.end(); ++it)  
    {  
        cout<<"学院名字："<<it->first<<endl;  
        for(int i=0; i<cnt; ++i)  
        {  
            if(stu[i].acad==it->first)  
            {  
                multimap<string, string>::iterator iter=parti.begin();  
                for(; iter!=parti.end(); ++iter)  
                {  
                    if(stu[i].number!=iter->first)  
                        continue;  
                    if(stu[i].sex=="男")  
                        cout<<"姓名: "<<stu[i].name<<"项目: "<<iter->second<<"成绩: "<<mtable[pair<string,string>(iter->first,iter->second)]<<endl;  
                    else  
                        cout<<"姓名: "<<stu[i].name<<"项目: "<<iter->second<<"成绩: "<<wtable[pair<string,string>(iter->first,iter->second)]<<endl;  
                }  
            }  
        }  
    }  
}  
void query_contest2()  
{  
    map<string, int>::iterator it=item.begin();  
    for(; it!=item.end(); it++)  
    {  
        cout<<"项目名称:"<<it->first<<endl;  
        multimap<string, string>::iterator iter=parti.begin();  
        for(; iter!=parti.end(); iter++)  
        {  
            if(iter->second==it->first)  
            {  
                for(int i=0; i<cnt; ++i)  
                {  
                    if(iter->first==stu[i].number)  
                    {  
                        if(stu[i].sex=="男")  
                            cout<<"姓名: "<<stu[i].name<<"项目: "<<iter->second<<"成绩: "<<mtable[pair<string,string>(iter->first,iter->second)]<<endl;  
                        else  
                            cout<<"姓名: "<<stu[i].name<<"项目: "<<iter->second<<"成绩: "<<wtable[pair<string,string>(iter->first,iter->second)]<<endl;  
                    }  
                }  
            }  
        }  
    }  
}  
void query_contest3()  
{  
    for(int i=0; i<cnt; ++i)  
    {  
        cout<<"姓名: "<<stu[i].name<<"\n";  
        multimap<string, string>::iterator iter=parti.begin();  
        for(; iter!=parti.end(); iter++)  
        {  
            if(iter->first==stu[i].number)  
            {  
                if(stu[i].sex=="男")  
                    cout<<"项目: "<<iter->second<<"成绩: "<<mtable[pair<string,string>(iter->first,iter->second)]<<endl;  
                else  
                    cout<<"项目: "<<iter->second<<"成绩: "<<wtable[pair<string,string>(iter->first,iter->second)]<<endl;  
            }  
        }  
    }  
}  
void query_contest()//比赛成绩查询  
{  
    system("cls");  
    menu2();  
    int op;  
    if(cnt==0)  
    {  
        printf("当前无人报名比赛，请先报名比赛\n");  
        return ;  
    }  
    scanf("%d", &op);  
    switch(op)  
    {  
    case 1:  
        query_contest1();  
        break;  
    case 2:  
        query_contest2();  
        break;  
    case 3:  
        query_contest3();  
        break;  
    case 4:  
        return;  
        break;  
    default:  
        printf("输入有误，请重新输入\n");  
    }  
}  
void sort_contest()//比赛成绩排序  
{  
    int size=acad.size();  
    for(int i=0; i<size; ++i)  
    {  
        int max=-1;  
        string maxs="";  
        map<string, int >::iterator it = acad.begin();  
        map<string, int >::iterator iter;  
        for(; it!=acad.end(); ++it)  
        {  
            if(max<it->second)  
            {  
                max=it->second;  
                maxs=it->first;  
                iter=it;  
            }  
        }  
        acad.erase(iter);  
        cout<<"学院名称："<<maxs<<"  学院总分："<<max<<endl;  
        cout<<"男生总得分:"<<macad[maxs]<<"   女生总得分"<<wacad[maxs]<<endl;  
    }  
}  
int main()  
{  
    int op;  
    cout<<("**************学校运动会管理系统*****************\n");  
//    printf("请分别输入参赛学院个数，男子竞赛项目数和女子竞赛项目数\n");  
//    scanf("%d %d %d", &c, &n, &m);  
//    if(c<0||n<0||m<0)  
//    {  
//        printf("输入值有误，请重新输入\n");  
//        scanf("%d %d %d", &c, &n, &m);  
//    }  
    cnt=0;  
    while(1)  
    {  
        menu();  
        scanf("%d", &op);  
        switch(op)  
        {  
        case 1:  
            apply();  
            break;  
        case 2:  
            query();  
            break;  
        case 3:  
            registration();  
            break;  
        case 4:  
            record();  
            break;  
        case 5:  
            query_contest();  
            break;  
        case 6:  
            sort_contest();  
            break;  
        case 7:  
            return 0;  
            break;  
        default:  
            cout<<"错误输入， 请重新输入\n";  
            break;  
        }  
    }  
    return 0;  
}