#include?
#include?
#include?
#include??//?時間和隨機數(shù)頭文件
#include?
#include?
#include??//?文件讀寫流
#include??//?io流
#include??//?win?API頭文件

using?namespace?std;?//std命名空間

class?Person
{
public:
????string?singerName;?//stl里面的string存儲姓名
};

class?Singer:?public?Person
{
????public:
????????Singer（）;
????????Singer（int?singerNumber?string?singerName?double?*singerGrade）;
????????~Singer（）;
????????void?sortGrade（）;
????????int?getNumber（）;
????????string?getName（）;
????????double?getGrade（int）;
????????double?getArg（）;
????????double?getSum（）;
????????void?changeGradle（int?double）;

????private:
????????int?singerNumber?=?0;?//歌手編號
????????bool?ifSorted?=?false;?//?判斷是否已經(jīng)排序
????????double?*singerFinGrade;
????????double?*singerGrade;?//用簡單的數(shù)組存儲成績
????????double?arg?=?0;?//?平均數(shù)儲存（掐頭去尾）
????????double?sum?=?0;?//?成績總和
????????void?caculateArg（）;
????????int?sort（int?lo?int?hi）;?//?次排序
};

Singer::Singer（）{
????singerNumber?=?0;
}

//構(gòu)造函數(shù)
Singer::Singer（int?singerNumber?string?singerName?double?*singerGrade）{
????int?i?=?0;
????this->singerNumber?=?singerNumber;
????this->singerName?=?singerName;
????this->singerGrade?=?singerGrade;
????singerFinGrade?=?new?double[10];
????for（i?=?0;i?????????singerFinGrade[i]?=?singerGrade[i];
????}
????caculateArg（）;
}

//析構(gòu)函數(shù)
Singer::~Singer（）{
????//?delete?singerGrade;?//?防止內(nèi)存泄漏
}

int?Singer::getNumber（）{?//?getter方法
????return?singerNumber;
}

string?Singer::getName（）{?//?getter方法
????return?singerName;
}

double?Singer::getGrade（int?i）{?//?getter方法
????return?singerFinGrade[i];
}

double?Singer::getArg（）{?//?getter方法
????return?arg;
}

double?Singer::getSum（）{?//?getter方法
????return?sum;
}

void?Singer::caculateArg（）{
????int?i?=?0;
????if（ifSorted）{
????????for（i?=?1;i?????????????sum?+=?singerGrade[i];
????????}
????????arg?=?sum/8;
????}else{
????????sortGrade（）;
????????caculateArg（）;
????}

}

int?Singer::sort（int?lo?int?hi）{
????int?last?=?lo;
????double?temp;

????while（++lo?<=?hi）{
????????if（singerGrade[lo?-?1]?>?singerGrade[lo]）{
????????????last?=?lo;

????????????temp?=?singerGrade[lo?-?1];
????????????singerGrade[lo?-?1]?=?singerGrade[lo];
????????????singerGrade[lo]?=?temp;
????????}
????}

????return?last;
}

//?成績內(nèi)排序?從小到大（小數(shù)據(jù)所以用了冒泡）
void?Singer::sortGrade（）{
????int?lo?=?0?hi?=?9;
????while（lo?
????ifSorted?=?true;
}

void?Singer::changeGradle（int?pos?double?num）{
????double?temp?=?singerFinGrade[pos?-?1];
????singerFinGrade[pos?-?1]?=?num;
????for（int?i?=?0;i?????????if（singerFinGrade[pos?-?1]?==?singerGrade[i]）{
????????????singerGrade[i]?=?num;
????????}
????}
}

class?List:?public?Singer
{
public:
????List（）;
????~List（）;
????void?begin（）;//迭代器返回頭結(jié)點
????void?end（）;//迭代器返回尾節(jié)點
????bool?next（）;?//?后移迭代器
????Si

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????18170??2018-12-14?15:43??main.cpp
?????文件???????93774??2018-12-09?16:54??TIM截圖20181209165356.png