問題描述：
(1) 初始化輸入:N-參賽院系總數，M-男子競賽項目數，W-女子競賽項目數；
(2) 各項目名次取法有如下幾種：
取前5名：第1名得分 7，第2名得分 5，第3名得分3，第4名得分2，第5名得分 1；
(3) 由程序提醒用戶填寫比賽結果，輸入各項目獲獎運動員的信息。
(4) 所有信息記錄完畢後，用戶可以查詢各個院系或個人的比賽成績，生成團體總分報表，查看參賽院系信息、獲獎運動員、比賽項目信息等。
(5) 原始數據需保存到磁盤文件中。
*/
#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;
#define N 4
#define M 3
#define W 3
struct Student
{
Student(){}
Student(vector<string>* departments):depars(departments){}
void Input();
void Print();
friend ofstream& operator<<(ofstream& ofs, Student& stu);
friend ifstream& operator>>(ifstream& ifs, Student& stu);
string name;
string department;
int points;
private:
vector<string>* depars;
};
ofstream& operator<<(ofstream& ofs, Student& stu)
{
ofs << stu.name <<"\t"<< stu.department<<"\t" << stu.points;
return ofs;
}
ifstream& operator>>(ifstream& ifs, Student& stu)
{
ifs >> stu.name >> stu.department >> stu.points;
return ifs;
}
void Student::Input()
{
cout<<"輸入名字："<<endl;
cin >> name;
bool invalid(true);
do
{
string d;
cout<<"輸入院系名稱："<<endl;
cin >> d;
vector<string>::iterator found=find(depars->begin(),depars->end(),d);
if(found != depars->end())
{
invalid = false;
department = d;
} else {
cout<<"無效院系名稱，請重新輸入。"<<endl;
}
} while(invalid);
}
void Student::Print()
{
cout<< name <<"\t"<<department<<endl;
}
// Forward declaration
class GameInfo;
class SportEvent
{
public:
static int GetPoint(int ranking);
void InputWinners(GameInfo& g);
void Print();
friend ofstream& operator<<(ofstream& ofs, SportEvent& se);
friend ifstream& operator>>(ifstream& ifs, SportEvent& se);
public:
vector<Student> winners;
string name;
};
ofstream& operator<<(ofstream& ofs, SportEvent& se)
{
ofs << se.name << endl;
ofs << se.winners.size() << endl;
for(unsigned int i(0);i<se.winners.size();i++)
{
ofs << se.winners.at(i) <<"\t";
}
return ofs;
}
ifstream& operator>>(ifstream& ifs, SportEvent& se)
{
ifs >> se.name;
unsigned int count(0);
ifs >> count;
se.winners.clear();
for(unsigned int i(0);i<count;i++)
{
Student student;
ifs >> student;
se.winners.push_back(student);
}
return ifs;
}
int SportEvent::GetPoint(int ranking)
{
switch(ranking)
{
case 1:
return 7;
break;
case 2:
return 5;
break;
case 3:
return 3;
break;
case 4:
return 2;
break;
case 5:
return 1;
break;
}
return 0;
}
void SportEvent::Print()
{
// #1 student_name department_name
for(int i(0);i<5;i++)
{
cout <<"#"<<(i+1)<<"\t";
winners.at(i).Print();
}
}
class GameInfo
{
public:
void Init();
void InputResult();
void QueryDep(string depart);
void QueryStu(string student);
void QueryEve(string eventname);
void Save(ofstream&);
void Load(ifstream&);
public:
vector<string> departments;
vector<SportEvent> mevents;
vector<SportEvent> wevents;
};
void SportEvent::InputWinners(GameInfo& g)
{
for(int i(0);i<5;i++)
{
Student s(&g.departments);
cout<<"輸入第"<<(i+1)<<"個獲獎者"<<endl;
s.Input();
winners.push_back(s);
}
}
void GameInfo::Save(ofstream& fout)
{
//保存院系名稱
fout << departments.size() << endl;
for(unsigned int i(0);i<departments.size();i++)
{
fout << departments.at(i) <<"\t";
}
fout << endl;
//保存男子項目
fout << mevents.size() << endl;
for(unsigned int i(0);i<mevents.size();i++)
{
fout << mevents.at(i) <<"\t";
}
fout << endl;
//保存女子項目
fout << wevents.size() << endl;
for(unsigned int i(0);i<wevents.size();i++)
{
fout << wevents.at(i) <<"\t";
}
fout << endl;
}
void GameInfo::Load(ifstream& fin)
{
}
void GameInfo::Init()
{
for(int i(0);i<N;i++)
{
string dname;
cout<<"輸入第"<<(i+1)<<"個參賽院系名稱：";
cin >> dname;
departments.push_back(dname);
}
cout <<endl;
for(int i(0);i<M;i++)
{
SportEvent mevent;
cout<<"輸入第"<<(i+1)<<"個男子項目名稱：";
cin >> mevent.name;
mevents.push_back(mevent);
}
cout <<endl;
for(int i(0);i<W;i++)
{
SportEvent wevent;
cout<<"輸入第"<<(i+1)<<"個女子項目名稱：";
cin >> wevent.name;
wevents.push_back(wevent);
}
cout <<endl;
}
void GameInfo::InputResult()
{
for(int i(0);i<M;i++)
{
cout<<"輸入第"<<(i+1)<<"個男子項目\"" << mevents.at(i).name<<"\""<<endl;
mevents.at(i).InputWinners(*this);
}
for(int i(0);i<W;i++)
{
cout<<"輸入第"<<(i+1)<<"個女子項目\"" << wevents.at(i).name<<"\""<<endl;
wevents.at(i).InputWinners(*this);
}
}
void GameInfo::QueryDep(string depart)
{
cout << depart << endl;
int points(0);
for(int i(0);i<M;i++)
{
vector<Student> w = mevents.at(i).winners;
for(unsigned int n(0);n<w.size();n++)
{
if(w.at(n).department==depart)
{
cout << (w.at(n).name) << "\t";
cout << (mevents.at(i).name);
cout << "\t#" << (n+1); // ranking
int p(SportEvent::GetPoint(n+1));
cout << "\t" << p << "分"<< endl; // point
points+=p;
}
}
}
for(unsigned int i(0);i<W;i++)
{
vector<Student> w = wevents.at(i).winners;
for(unsigned int n(0);n<w.size();n++)
{
if(w.at(n).department==depart)
{
cout << w.at(n).name << "\t";
cout << wevents.at(i).name;
cout << "\t#" << (n+1); // ranking
int p(SportEvent::GetPoint(n+1));
cout << "\t" << p << "分"<< endl; // point
points+=p;
}
}
}
if(points)
cout << "團體總分（男女混合）：" << points << "分"<<endl;
}
void GameInfo::QueryStu(string student)
{
cout << student << endl;
int points(0);
string d;
for(int i(0);i<M;i++)
{
vector<Student> w = mevents.at(i).winners;
for(unsigned int n(0);n<w.size();n++)
{
if(w.at(n).name==student)
{
cout << mevents.at(i).name;
cout << "\t#" << (n+1); // ranking
int p(SportEvent::GetPoint(n+1));
cout << "\t" << p << "分"<< endl; // point
points+=p;
d = w.at(n).department;
}
}
}
if(points)
cout <<"隸屬於："<< d <<endl<< "個人總分：" << points << "分"<<endl;
cout << endl;
points =0;
for(int i(0);i<W;i++)
{
vector<Student> w = wevents.at(i).winners;
for(unsigned int n(0);n<w.size();n++)
{
if(w.at(n).name==student)
{
cout << wevents.at(i).name;
cout << "\t#" << (n+1); // ranking
int p(SportEvent::GetPoint(n+1));
cout << "\t" << p << "分"<< endl; // point
points+=p;
d =w.at(n).department;
}
}
}
if(points)
cout <<"隸屬於："<< d <<endl<< "個人總分：" << points << "分"<<endl;
}
void GameInfo::QueryEve(string eventname)
{
for(int i(0);i<M;i++)
{
if(mevents.at(i).name == eventname)
{
mevents.at(i).Print();
}
}
for(int i(0);i<W;i++)
{
if(wevents.at(i).name == eventname)
{
wevents.at(i).Print();
}
}
}
int main()
{
const char* filename= "data.txt";
GameInfo gi;
//讀取
ifstream ifs(filename);
gi.Load(ifs);
ifs.close();
//錄入
gi.Init();
gi.InputResult();
int opt(0);
string name;
while(opt!=4)
{
cout << "1.按院系名稱查詢"<<endl;
cout << "2.按比賽項目查詢"<<endl;
cout << "3.按運動員姓名查詢"<<endl;
cout << "4.退出"<<endl;
cin >> opt;
switch(opt)
{
case 1:
cout << "請輸入院系名稱：" << endl;
cin >> name;
gi.QueryDep(name);
break;
case 2:
cout << "請輸入比賽項目：" << endl;
cin >> name;
gi.QueryEve(name);
break;
case 3:
cout << "請輸入運動員姓名：" << endl;
cin >> name;
gi.QueryStu(name);
break;
}
}
//保存
ofstream ofs(filename, ios::out | ios::app);
gi.Save(ofs);
ofs.close();
return 0;
}