Project Rosalynde for KAIST student

#include "main.h"

int main() {

    semester(20);

    semester(10);

    return 0;

}

void semester(int studentCnt) {

    DormitorySystem dormSystem(studentCnt);

    dormSystem.printList();

    dormSystem.newWeek(3);

    dormSystem.printList();

    dormSystem.newWeek(7);

    dormSystem.printList();       

    dormSystem.newWeek(7);

    dormSystem.printList();       

    dormSystem.newWeek(6);

    dormSystem.printList();

}

DormitorySystem::DormitorySystem(int studentCnt)

{

    studentList=new Student;

    studentList->next=NULL;

    char a='a';

    for(int i=0; i<studentCnt; i++)

    {

        Student* tmp= new Student;

        tmp->id=a;

        a++;

        tmp->next=studentList->next;

        studentList->next=tmp;

    }

    waitingHead=studentList->next;

    for(int i=0; i<10; i++) waitingHead=waitingHead->next;

    Student* tmp=studentList->next;

    for(int i=0; i<10; i++)

    {

        dormList[i]=tmp;

        tmp=tmp->next;

    }

    cout<<"Constructor"<<endl;

}

DormitorySystem::~DormitorySystem() {

    for(int i=0; i<10; i++)

    {

        delete dormList[i];

    }

    Student* tmp=waitingHead;

    while(tmp!=NULL)

    {

        Student* remove=tmp;

        tmp=tmp->next;

        delete remove;

    }

    cout<<"Destructor"<<endl;

}

void DormitorySystem::newWeek(int leavedStudent) {

    delete dormList[leavedStudent];

    dormList[leavedStudent]=NULL;

    if(waitingHead!=NULL)

    {

        dormList[leavedStudent]=waitingHead;

        waitingHead=waitingHead->next;

    }

}

void DormitorySystem::printList() {

    cout<<endl<<"=====print List====="<<endl;

    cout<<"<Dormitory>"<<endl;

    for(int i=0; i<10; i++)

    {

        if(dormList[i] !=NULL) cout << dormList[i]->id << " ";

    }

    cout<<endl;

    cout<<"<Waiting>"<<endl;

    int cnt = 0;

    Student* tmp=waitingHead;

    while(tmp!=NULL)

    {

        cout << tmp->id << " ";

        tmp=tmp->next;

        cnt++;

    }

    cout << endl;

    cout<<"There are "<<cnt<<" waiting students"<<endl;  

}