综合案列分析
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <stdlib.h>
#include <string>
#include <map>
#include <vector>
#include <algorithm>
#include <numeric>
#include <functional>
#include <deque>
#include <time.h>
using namespace std;
class Player
{
public:
string mName;
int mScore[3];
};
//创建选手
void Creat_Player(map<int, Player>& mPlist, vector<int>& v1)
{
string seedName = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
for (int i = 0; i < 24; i++)
{
Player p;
p.mName = "选手";
p.mName += seedName[i];
for (int j = 0; j < 3; j++)
{
p.mScore[j] = 0;
}
int uID = 100 + i;
mPlist.insert(make_pair(uID, p)); //保存选手信息
v1.push_back(uID);
}
}
//选手抽签
void Set_Random(vector<int>& v)
{
random_shuffle(v.begin(), v.end());
}
//比赛
void Set_Score(int index, vector<int>& vIn, map<int, Player>& mPlist, vector<int>& vOut)
{
srand((unsigned)time(NULL));
//第一个int是分数 根据分数自动排序
//第二个int 编号
multimap<int, int,greater<int>> mGroup; //默认是根据分数 从小到大
int groupIndex = 0;
for (vector<int>::iterator it = vIn.begin(); it != vIn.end(); it++)
{
//打分
deque<int> dScore;
for (int i = 0; i < 10; i++)
{
int score = rand()% 40 + 60;
dScore.push_back(score);
}
//排序
sort(dScore.begin(), dScore.end());
//去除最高 最低分
dScore.pop_back();
dScore.pop_front();
//求平均分
int totaoSecore = accumulate(dScore.begin(), dScore.end(), 0);
int avgScore = totaoSecore / dScore.size();
mPlist[*it].mScore[index - 1] = avgScore;
//把当前的选手编号放到mGroup
mGroup.insert(make_pair(avgScore, *it));
groupIndex++;
if (groupIndex % 6 == 0)
{
int numIndex = 0;
for (multimap<int, int>::iterator mit = mGroup.begin(); mit != mGroup.end(); *mit++)
{
if (numIndex >= 3)
{
break;
}
vOut.push_back((*mit).second);
numIndex++;
}
mGroup.clear();
}
}
}
//打印晋级名单
void Show_GoodPlayer(int index, vector<int>& v, map<int, Player>& mPlist)
{
cout << "第" << index << "轮晋级名单:" << endl;
for(vector<int>::iterator it = v.begin(); it != v.end(); it++)
{
cout << "姓名:" << mPlist[*it].mName << " 分数: " << mPlist[*it].mScore[index - 1] <<endl;
}
}
int main(void)
{
//定义map容器, 根据编号保存选手信息
map<int, Player> mPlist;
//第一轮比赛的参赛链表
vector<int> v1; //24个人 晋级12个
//第二轮比赛参赛列表
vector<int> v2; //12个人 晋级6个
//第三轮比赛的参赛列表
vector<int> v3;//6个人 晋级三个人
//最终前三名
vector<int> v4;//最后前三名
//创建选手
Creat_Player(mPlist, v1);
//第一轮比赛
Set_Random(v1);
Set_Score(1, v1, mPlist, v2);
Show_GoodPlayer(1, v2, mPlist);
//第二轮比赛
Set_Random(v2);
Set_Score(2, v2, mPlist, v3);
Show_GoodPlayer(2, v3, mPlist);
// 第三轮比赛
Set_Random(v3);
Set_Score(3, v3, mPlist, v4);
Show_GoodPlayer(3, v4, mPlist);
return 0;
}