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finished #4

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94 changes: 41 additions & 53 deletions random_roll_call.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,11 @@
using namespace std;

struct student {
int number=0;//号码
double grade = 0;//绩点
double pastp = 0;//缺勤系数
double nownumber = 0;//现在缺勤次数
int here[20] = { 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }; //到没到
int number=0;//����
double grade = 0;//����
double pastp = 0;//ȱ��ϵ��
double nownumber = 0;//����ȱ�ڴ���
int here[20] = { 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }; //��û��
}stu[90];
bool cmp(student x, student y)
{
Expand All @@ -19,7 +19,7 @@ bool cmp(student x, student y)
}

double E = 0, numerator = 0, denominator = 0;
string s1 = "软件工程", s2 = "数据库系统原理", s3 = "计算机操作系统", s4 = "计算机图形学", s5 = "大学应用写作";
string s1 = "��������", s2 = "���ݿ�ϵͳԭ��", s3 = "���������ϵͳ", s4 = "�����ͼ��ѧ", s5 = "��ѧӦ��д��";
void read_save1();
void read_save2();
void read_save3();
Expand All @@ -45,72 +45,61 @@ int main()
final_result();
}


int pastp_add(int x, int y)
=======
int pastp_add(int x, int y)
>>
>>>>> main{
if (stu[x].here[y] == 0)//没到
{
if (stu[x].here[y] == 0)//û��
{
stu[x].nownumber++;//现在缺勤次数增加1
stu[x].nownumber++;//����ȱ�ڴ�������1
if (stu[x].nownumber == 1)
{
stu[x].pastp += 0.05; //缺第一次 + 0.05 ,第二次 + 0.5 ,第三次 + 0.5，用以保证偶尔一次缺课不会被一直点名，三次抽取概率增加
stu[x].pastp += 0.05; //ȱ��һ�� + 0.05 ,�ڶ��� + 0.5 ,������ + 0.5�����Ա�֤ż��һ��ȱ�β��ᱻһֱ���������γ�ȡ��������
}
else if (stu[x].nownumber > 1)
{
stu[x].pastp += 0.5;
}
numerator++;
cout<<"缺勤"<<" ";
cout<<"ȱ��"<<" ";
return 1;
}
else
return 0;

}

void address_E(string s)
{
int m,m1,m2;

cout << s << "的抽点方案如下:" << endl;

cout << s << "的抽点方案如下:" << endl;
cout << s << "�ij�㷽������:" << endl;
sort(stu, stu + 90, cmp);

//处理分子
for (int i = 0; i < 20; i++)//对于每一门课的20次课
//��������
for (int i = 0; i < 20; i++)//����ÿһ�ſε�20�ο�
{
sort(stu, stu + 90, cmp);
cout <<"第"<< i+1 << "次课抽点的同学号码为：" ;
for (int j = 0; j < 6; j++)//6个
cout <<"��"<< i+1 << "�ογ���ͬѧ����Ϊ��" ;
for (int j = 0; j < 5; j++)//7��
{
cout << stu[j].number<<" " ;
if (stu[j].here[i] == 0)//没到
if (stu[j].here[i] == 0)//û��
{
numerator++;
cout<<"缺勤"<<" ";
cout<<"ȱ��"<<" ";
stu[j].pastp += 0.5;
}
else
cout<<"出勤"<<" ";
cout<<"����"<<" ";
}
int temp = rand() % 4;//0-3个人
if (temp == 3)//点了3个人
int temp = rand() % 4;//0-3����
if (temp == 2)//����2����
{
int num = (rand() % (7 - 5) + 6);//在除了前几个人里的排名前二抽一个
int num = (rand() % (7 - 5) + 6);//�ڳ���ǰ�������������ǰ����һ��
cout << stu[num].number << " ";
m=pastp_add(num, i);
if(m==0)
cout<<"出勤"<<" ";
cout<<"����"<<" ";
denominator += 1;
}

else if (temp == 3)//点了3个人
else if (temp == 3)//����3����
{
int num1 = (rand() % (9 - 5) + 6);//在除了前几个人里的排名前4抽两个
int num1 = (rand() % (9 - 5) + 6);//�ڳ���ǰ�������������ǰ4������
int num2 = (rand() % (9 - 5) + 6);
while (num2 == num1)
{
Expand All @@ -120,25 +109,24 @@ void address_E(string s)
cout << stu[num1].number<<" " ;
m1=pastp_add(num1, i);
if(m1==0)
cout<<"出勤"<<" ";
cout<<"����"<<" ";
cout << stu[num2].number<<" " ;
m2=pastp_add(num2, i);
if(m2==0)
cout<<"出勤"<<" ";
cout<<"����"<<" ";
denominator += 2;
}

cout << endl;
}
//处理分母
denominator += 120;//前5-8个取了6个
cout << endl;
//������ĸ
denominator += 100;//ǰ5-8��ȡ��5��
cout << endl;
}

void read_save1() //输入第一门课的所有数据
void read_save1() //�����һ�ſε���������
{
ifstream infile;
infile.open("output1.txt"); //注意文件的路径
infile.open("output1.txt"); //ע���ļ���·��
for (int i = 0; i < 90; i++)
{
infile >> stu[i].number;
Expand All @@ -152,10 +140,10 @@ void read_save1() //输入第一门课的所有数据
infile.close();
}

void read_save2() //输入第二门课的所有数据
void read_save2() //����ڶ��ſε���������
{
ifstream infile;
infile.open("output2.txt"); //注意文件的路径
infile.open("output2.txt"); //ע���ļ���·��
for (int i = 0; i < 90; i++)
{
infile >> stu[i].number;
Expand All @@ -169,10 +157,10 @@ void read_save2() //输入第二门课的所有数据
infile.close();
}

void read_save3()//输入第三门课的所有数据
void read_save3()//��������ſε���������
{
ifstream infile;
infile.open("output3.txt"); //注意文件的路径
infile.open("output3.txt"); //ע���ļ���·��
for (int i = 0; i < 90; i++)
{
infile >> stu[i].number;
Expand All @@ -185,10 +173,10 @@ void read_save3()//输入第三门课的所有数据
}
infile.close();
}
void read_save4()//输入第四门课的所有数据
void read_save4()//��������ſε���������
{
ifstream infile;
infile.open("output4.txt"); //注意文件的路径
infile.open("output4.txt"); //ע���ļ���·��
for (int i = 0; i < 90; i++)
{
infile >> stu[i].number;
Expand All @@ -202,10 +190,10 @@ void read_save4()//输入第四门课的所有数据
infile.close();
}

void read_save5()//输入第五门课的所有数据
void read_save5()//��������ſε���������
{
ifstream infile;
infile.open("output5.txt"); //注意文件的路径
infile.open("output5.txt"); //ע���ļ���·��
for (int i = 0; i < 90; i++)
{
infile >> stu[i].number;
Expand All @@ -222,5 +210,5 @@ void read_save5()//输入第五门课的所有数据
void final_result()
{
E = numerator / denominator;
cout << E << endl;
cout << "E��ֵ�ǣ�" << E << endl;
}