介绍
学校举行一场演讲比赛，共有12个人参加。比宴共两轮，第一轮为淘汰赛，第二轮为决赛。每名选手都有对应的编号，如10001~10012。
比赛方式：分组比赛，每组个人；第一轮分为两个小组，整体按照选手编号进行抽签后顺序演讲。十个评委分别给每名选手打分，去除最高分和最低分，求的平均分为本轮选手的成绩·当小组演讲完后，淘汰组内排名最后的三个选手，前三名晋级，进入下一轮的比赛。第二轮为决赛，前三名胜出每轮比赛过后需要显示晋级选手的信息。
程序功能
开始演讲比赛：完成整届比赛的流程，每个比赛阶段需要给用户一个提示，用户按任意键后继续下一个阶段。
查看届记录：查看之前比赛前三名结果，每次比赛都会记录到文件中，文件用.csv后缀名保存。
清空比赛记录：将文件中数据清空。
退出比赛程序：可以退出当前程序。
speaker.h
#pragma once
#include<iostream>
using namespace std;
//选手类
class Speaker
{
public:
string m_Name;//姓名
double m_Score[2];//分数 最多有两轮得分
};
speechManager.h
#pragma once
#include<iostream>
using namespace std;
#include<vector>
#include<map>
#include"speaker.h"
#include<algorithm>
#include<deque>
#include<functional>
#include<numeric>
#include<fstream>
//设计演讲管理类
class SpeechManager
{
public:
//构造函数
SpeechManager();
//菜单函数
void show_Menu();
//退出函数
void exitSystem();
//析构函数
~SpeechManager();
//初始化容器和属性
void initSpeech();
//成员属性
//保存第一轮比赛选手编号容器
vector<int>v1;
//第一轮晋级选手编号容器
vector<int>v2;
//胜出前三名选手编号容器
vector<int>vVictory;
//存放编号以及对应具体选手容器
map<int, Speaker>m_Speaker;
//存放比赛轮数
int m_Index;
//创建12名选手
void createSpeaker();
//开始比赛 比赛流程控制
void startSpeech();
//抽签
void speechDraw();
//开始比赛
void speechContest();
//显示得分
void showScore();
//保存分数
void saveRecord();
//读取记录
void loadRecord();
//显示往届得分
void showRecord();
//判断文件是否为空
bool fileIsEmpty;
//存放往届记录的容器
map<int, vector<string>>m_Record;
//清空记录
void clearRecord();
};
speechManager.cpp
#include"speechManager.h"
//构造函数
SpeechManager::SpeechManager()
{
//初始化容器和属性
this->initSpeech();
//创建12名选手
this->createSpeaker();
//加载往届的记录
this->loadRecord();
}
//菜单函数
void SpeechManager::show_Menu()
{
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，退出比赛程序 **********" << endl;
cout << "**************************************" << endl;
cout << endl;
}
void SpeechManager::exitSystem()
{
cout << "欢迎下次使用" << endl;
system("pause");
exit(0);
}
void SpeechManager::initSpeech()
{
//容器都置空
this->v1.clear();
this->v2.clear();
this->vVictory.clear();
this->m_Speaker.clear();
//初始化比赛的轮数
this->m_Index = 1;
//初始化记录容器
this->m_Record.clear();
}
void SpeechManager::createSpeaker()
{
string nameSeed = "ABCDEFGHIJKL";
for (int i = 0; i < nameSeed.size(); i++)
{
string name = "选手";
name += nameSeed[i];
//创建具体选手
Speaker sp;
sp.m_Name = name;
for (int j = 0; j < 2; j++)
{
sp.m_Score[j] = 0;
}
//12名选手编号
this->v1.push_back(i + 10001);
//选手编号 以及对应的选手 存放到map容器中
this->m_Speaker.insert(make_pair(i + 10001, sp));
}
}
void SpeechManager::startSpeech()
{
//第一轮开始比赛
//1，抽签
this->speechDraw();
//2，比赛
this->speechContest();
//3，显示晋级结果
this->showScore();
//第二轮开始比赛
this->m_Index++;
//1，抽签
this->speechDraw();
//2，比赛
this->speechContest();
//3，显示最终结果
this->showScore();
//4，保存分数到文件中
this->saveRecord();
//重置比赛
//初始化属性
this->initSpeech();
//创建选手
this->createSpeaker();
//获取往届记录
this->loadRecord();
cout << "本届比赛完毕！" << endl;
system("pause");
system("cls");
}
//抽签
void SpeechManager::speechDraw()
{
cout << "第<<" << this->m_Index << ">>轮比赛选手正在抽签" << endl;
cout << "———————————————————————————————" << endl;
cout << "抽签后的演讲顺序如下：" << endl;
if (this->m_Index == 1)
{
//第一轮比赛
random_shuffle(v1.begin(), v1.end());
for (vector<int>::iterator it = v1.begin(); it != v1.end(); it++)
{
cout << *it << " ";
}
cout << endl;
}
else
{
//第二轮比赛
random_shuffle(v2.begin(), v2.end());
for (vector<int>::iterator it = v2.begin(); it != v2.end(); it++)
{
cout << *it << " ";
}
cout << endl;
}
cout << "———————————————————————————————" << endl;
system("pause");
cout << endl;
}
void SpeechManager::speechContest()
{
cout << "----------------第" << this->m_Index << "轮正式比赛开始：--------------" << endl;
//准备临时容器 存放小组成绩
multimap<double, int, greater<double>>groupScore;//临时容器，保存key分数value选手编号
int num = 0;//记录人员个数，6个为1组
vector<int>v_Src;//比赛选手容器
if (this->m_Index == 1)
{
v_Src = v1;
}
else
{
v_Src = v2;
}
//遍历所有选手进行比赛
for (vector<int>::iterator it = v_Src.begin(); it != v_Src.end(); it++)
{
num++;
//评委打分
deque<double>d;
for (int i = 0; i < 10; i++)
{
double score = (rand() % 401 + 600) / 10.f; //600~1000
//cout << score << " ";
d.push_back(score);
}
//cout << endl;
sort(d.begin(), d.end(), greater<double>());//排序
d.pop_back();//去除最低分
d.pop_front();//去除最高分
double sum = accumulate(d.begin(), d.end(), 0.0f);
double avg = sum /(double) d.size();//平均分
//打印平均分
//cout << "编号：" << *it << "\t" << "姓名：" << this->m_Speaker[*it].m_Name << "\t" << "得分：" << avg << endl;
//将平均分放入到map容器中
this->m_Speaker[*it].m_Score[this->m_Index - 1] = avg;
//将打分数据 放入到临时小组容器中
groupScore.insert(make_pair(avg, *it));//ket为得分，value是具体选手的得分
//每6人取出前三名
if (num % 6 == 0)
{
cout << "第" << num / 6 << "小组比赛名次：" << endl;
for (multimap<double, int, greater<double>>::iterator it = groupScore.begin(); it != groupScore.end(); it++)
{
cout << "编号：" << it->second << "\t" << "姓名：" << this->m_Speaker[it->second].m_Name << "\t" << "得分：" << this->m_Speaker[it->second].m_Score[this->m_Index-1] << endl;
}
//取走前三名
int count = 0;
for (multimap<double, int, greater<double>>::iterator it = groupScore.begin(); it != groupScore.end()&&count<3; it++,count++)
{
if (this->m_Index == 1)
{
v2.push_back((*it).second);
}
else
{
vVictory.push_back((*it).second);
}
}
groupScore.clear();//将小组的容器清空
cout << endl;
}
}
cout << "---------------第" << this->m_Index << "轮比赛完毕！----------------------" << endl;
system("pause");
}
void SpeechManager::showScore()
{
cout << "---------------第" << this->m_Index << "轮晋级选手信息如下：---------------" << endl;
vector<int>v;
if (this->m_Index == 1)
{
v = v2;
}
else
{
v = vVictory;
}
for (vector<int>::iterator it = v.begin(); it != v.end(); it++)
{
cout << "选手编号：" << *it << "\t" << "姓名：" << this->m_Speaker[*it].m_Name << "\t" << "得分：" << this->m_Speaker[*it].m_Score[this->m_Index - 1] << endl;
}
cout << endl;
system("pause");
system("cls");
this->show_Menu();
}
void SpeechManager::saveRecord()
{
ofstream ofs;
ofs.open("speech.csv", ios::out | ios::app);//用输出的方式打开文件 --写文件
//将每个人数据写入到文件中
for (vector<int>::iterator it = vVictory.begin(); it != vVictory.end(); it++)
{
ofs << *it << ","
<< m_Speaker[*it].m_Score[1] << ",";
}
ofs << endl;
ofs.close();
cout << "记录已保存" << endl;
//有记录了，文件不为空
this->fileIsEmpty = false;
}
//读取记录
void SpeechManager::loadRecord()
{
ifstream ifs("speech.csv", ios::in);//读文件
if (!ifs.is_open())
{
this->fileIsEmpty = true;
//cout << "文件不存在" << endl;
ifs.close();
return;
}
//文件清空的情况
char ch;
ifs >> ch;
if (ifs.eof())
{
this->fileIsEmpty = true;
//cout << "文件为空"<<endl;
ifs.close();
return;
}
//文件不为空
this->fileIsEmpty = false;
ifs.putback(ch);//将刚才读取的单个字符再放回来
string data;
int index = 0;
while (ifs >> data)
{
//cout << data << endl;
//10002,86.675,10009,81.3,10007,78.55,
vector<string>v;//存放6个string字符串
int pos = -1;//查到“,”的位置变量
int start = 0;
while (true)
{
pos = data.find(",", start);
if (pos == -1)
{
//没有找到
break;
}
string temp = data.substr(start,pos - start);
v.push_back(temp);
start = pos + 1;
}
this->m_Record.insert(make_pair(index, v));
index++;
}
ifs.close();
/*for (map<int, vector<string>>::iterator it = m_Record.begin(); it != m_Record.end(); it++)
{
cout << "第"<<it->first+1 <<"届： "<< "冠军编号：" << it->second[0] << "\t" << "得分：" << it->second[1] << endl;
}*/
}
void SpeechManager::showRecord()
{
if (this->fileIsEmpty)
{
cout << "文件为空或者文件不存在"<<endl;
}
else
{
for (int i = 0; i < this->m_Record.size(); i++)
{
cout << "第" << i + 1 << "届"
<< "冠军编号：" << this->m_Record[i][0] << "\t" << "得分：" << this->m_Record[i][1] << "\t"
<< "亚军编号：" << this->m_Record[i][2] << "\t" << "得分：" << this->m_Record[i][3] << "\t"
<< "季军编号：" << this->m_Record[i][4] << "\t" << "得分：" << this->m_Record[i][5] << endl;
}
}
system("pause");
system("cls");
}
void SpeechManager::clearRecord()
{
cout << "确认清空？" << endl;
cout << "1，确认" << endl;
cout << "2，返回" << endl;
int select = 0;
cin >> select;
if (select == 1)
{
//打开模式ios::trunc如果存在删除文件并重新创建
ofstream ofs("speech.csv", ios::trunc);
ofs.close();
//初始化属性
this->initSpeech();
//创建选手
this->createSpeaker();
//获取往届记录
this->loadRecord();
cout << "清空成功！" << endl;
}
system("pause");
system("cls");
}
//析构函数
SpeechManager::~SpeechManager()
{
}
演讲比赛流程管理系统.cpp
#include<iostream>
using namespace std;
#include"speechManager.h"
#include<ctime>
int main()
{
srand((unsigned int)time(NULL));
//创建管理类对象
SpeechManager sm;
//测试12名选手创建
/*for (map<int, Speaker>::iterator it = sm.m_Speaker.begin(); it != sm.m_Speaker.end(); it++)
{
cout << "选手编号：" << it->first << "姓名：" << it->second.m_Name << "分数：" << it->second.m_Score[0] << endl;
}*/
int choice = 0;//用于接收用户输入
while (true)
{
sm.show_Menu();
cout << "请输入您的选择：" << endl;
cin >> choice;
switch (choice)
{
case 1://开始比赛
sm.startSpeech();
break;
case 2://查看往届比赛记录
sm.showRecord();
break;
case 3://清空比赛记录
sm.clearRecord();
break;
case 0://退出系统
sm.exitSystem();
break;
default:
system("cls");//清屏
break;
}
}
system("pause");
return 0;
}