C++演讲比赛程序

bluesky1 · 发表于 2023-9-29 01:06:55

#include<iostream>
using namespace std;
#include<vector>;
#include<map>
#include<string>
#include<algorithm>
#include<ctime>
#include<functional>
#include<deque>
#include<numeric>
#include<fstream>
#include<ctime>
void showMenu()
{
cout << "**********************************" << endl;
cout << "******* 欢迎参加演讲比赛 *******" << endl;
cout << "******* 1.开始演讲比赛 *******" << endl;
cout << "******* 2.查看往届记录 *******" << endl;
cout << "******* 3.清空比赛记录 *******" << endl;
cout << "******* 0.退出比赛记录 *******" << endl;
}
class Player
{
public:
Player()
{
}
Player(string name, double score)
{
this->name = name;
this->score = score;
}
string name;
double score;
};
void print(int a)
{
cout << a << " ";
}
class Jiang
{
public:
bool operator()(double dou1, double dou2)const
{
return dou1 > dou2;
}
};
class SpeechContest
{
public:
map<int, string>players;
vector<int>draw;
bool is_empty=true;
map<int, vector<string>>his_rec;
//创建比赛选手容器
void creatPlayers()
{
string st = "ABCDEFJHIJKL";
int number = 10001;
for (int i = 0; i < 12; i++)
{
string name = "选手";
name += st[i];
players.insert(make_pair(number + i, name));
draw.push_back(number + i);
}
}
//进行抽签
void drawLots()
{
random_shuffle(draw.begin(), draw.end());
}
//打印抽签后的演讲顺序
void print_DrawLots()
{
cout << "抽签后演讲顺序如下：" << endl;
for_each(draw.begin(), draw.end(), print);
cout << endl;
system("pause");
}
void print_group(multimap<double, int, Jiang>&group1)
{
for (multimap<double, int>::iterator it = group1.begin(); it != group1.end(); it++)
{
cout << it->second << " " << it->first << " " << players.find(it->second)->second << endl;
}
}
void delete_End(multimap<double, int, Jiang>& group1)
{
int i = 0;
do
{
multimap<double, int>::iterator it = group1.end();
--it;
group1.erase(it);
i++;
}while (i < 3);
}
void add_Final_Player(multimap<double, int, Jiang>& group1)
{
for (multimap<double, int>::iterator it = group1.begin(); it != group1.end(); it++)
{
draw.push_back(it->second);
}
}
void competition(multimap<double, int, Jiang>&group1,int a)
{
deque<double>de;
double score;
for (int i = a; i < 6+a; i++)
{
de.clear();
for(int j=0;j<10;j++)
{
score = rand() % 21 + 79 + rand() % 100 / 100.00;
de.push_back(score);
}
sort(de.begin(),de.end());
de.pop_back();
de.pop_front();
score=accumulate(de.begin(), de.end(),0)/8.00;
group1.insert(make_pair(score, draw[i]));
}
}
void first_Round()
{
multimap<double, int, Jiang>group1;
multimap<double, int, Jiang>group2;
drawLots();
print_DrawLots();
competition(group1,0);
cout << "第1小组比赛名次：" << endl;
print_group(group1);
competition(group2,6);
cout << "第2小组比赛名次：" << endl;
print_group(group2);
delete_End(group1);
delete_End(group2);
cout << "晋级人员：" << endl;
print_group(group1);
print_group(group2);
draw.clear();
add_Final_Player(group1);
add_Final_Player(group2);
cout << "第一轮比赛完毕" << endl;
}
void read()
{
ifstream ifs;
ifs.open("speech_result.csv", ios::in);
if (!ifs.is_open())
{
cout << "该文件不存在" << endl;
is_empty = true;
ifs.close();
return;
}
char ch;
ifs >> ch;
if (ifs.eof())
{
cout << "记录为空" << endl;
is_empty = true;
ifs.close();
return;
}
is_empty = false;
ifs.putback(ch);
vector<string>ve;
string date;
int index = 1;
while (ifs>>date)
{
ve.clear();
int start = 0;
int pos = -1;
while (true)
{
pos = date.find(',', start);
if (pos==-1)
{
break;
}
string st = date.substr(start, pos - start);
ve.push_back(st);
start = pos + 1;
}
his_rec.insert(make_pair(index, ve));
index++;
}
}
void store(multimap<double, int, Jiang>&group)
{
ofstream ofs;
ofs.open("speech_result.csv",ios::out|ios::app);
for(multimap<double, int, Jiang>::iterator it=group.begin();it!=group.end();it++)
{
ofs << it->second << "," << it->first << ",";
}
ofs << endl;
ofs.close();
cout << "记录已保存" << endl;
is_empty = false;
}
void second_Round()
{
multimap<double, int, Jiang>group;
cout << "第二轮比赛开始" << endl;
drawLots();
print_DrawLots();
competition(group, 0);
cout << "决赛名次：" << endl;
print_group(group);
delete_End(group);
cout << "冠亚季军：" << endl;
print_group(group);
store(group);
}
void del_rec()
{
fstream fs;
fs.open("speech_result.csv", ios::out);
fs.clear();
is_empty = true;
cout << "记录已清空" << endl;
}
};
void contest(SpeechContest &con)
{
con.creatPlayers();
con.first_Round();
con.second_Round();
}
void showTop(string st)
{
cout << st << "\t";
}
void showHis(const pair<int,vector<string>>&pa)
{
cout << "第" << pa.first << "届：";
for_each(pa.second.begin(), pa.second.end(), showTop);
cout << endl;
}
void hisRec(SpeechContest &con)
{
con.read();
if (con.is_empty)
{
return;
}
for_each(con.his_rec.begin(), con.his_rec.end(),showHis);
}
int main()
{
srand((unsigned int)time(NULL));
SpeechContest con;
while (true)
{
showMenu();
cout << "请输入您的选择：" << endl;
int sel;
cin >> sel;
switch (sel)
{
case 1:
contest(con);
system("pause");
system("cls");
break;
case 2:
hisRec(con);
system("pause");
system("cls");
break;
case 3:
con.del_rec();
system("pause");
system("cls");
break;
case 0:
cout << "欢迎下次使用" << endl;
system("pause");
return 0;
break;
default:
cout << "您输入有误！" << endl;
system("pause");
system("cls");
}
}
system("pause");
return 0;
}

复制代码

【必读】版权免责声明

1、本主题所有言论和内容纯属会员个人意见，与本论坛立场无关。2、本站对所发内容真实性、客观性、可用性不做任何保证也不负任何责任，网友之间仅出于学习目的进行交流。3、对提供的数字内容不拥有任何权利，其版权归原著者拥有。请勿将该数字内容进行商业交易、转载等行为，该内容只为学习所提供，使用后发生的一切问题与本站无关。 4、本网站不保证本站提供的下载资源的准确性、安全性和完整性;同时本网站也不承担用户因使用这些下载资源对自己和他人造成任何形式的损失或伤害。 5、本网站所有软件和资料均为网友推荐收集整理而来，仅供学习用途使用，请务必下载后两小时内删除，禁止商用。6、如有侵犯你版权的，请及时联系我们（电子邮箱1370723259@qq.com）指出，本站将立即改正。

		自动登录	找回密码
密码			注册