geraldine doubly 3

#include<iostream>
#include<string>
#include<fstream>

using namespace std;
struct STUDENT
{
        string Name;
        int Age;
        double Weight;
        double Height;
        string Course;
        int Year;
        bool Status;
        STUDENT *next;
	STUDENT *prev;
        STUDENT(string n, int a, double w, double h, string c, int y, bool s)
        {
                Name=n;
                Age=a;
                Weight=w;
                Height=h;
                Course=c;
                Year=y;
                Status=s;
                next=NULL;
		prev=NULL;
        }

}*start,*tail;
struct doubly
{
        doubly()
        {
            start=NULL;
            tail=NULL;
        }
        bool add(STUDENT *studnt)
        {
                if(start==NULL)
                {
                        start = studnt;
                        tail = studnt;
                }
                else
                {
                        STUDENT *temp=start;
                        cout<<"compare!:"<<temp->Name.compare(studnt->Name)<<endl;
                        if(temp->Name.compare(studnt->Name)>=0&&temp==start)
                        {
                                if(temp->Name.compare(studnt->Name)==0)
                                {
                                        cout<<"Name already exists!"<<endl;
                                        return false;
                                }
                                studnt->next=start;
                                start->prev=studnt;
                                start=studnt;

                                return true;

                        }
                        while(temp->next!=NULL)
                        {
                                if(temp->Name.compare(studnt->Name)==0)
                                {
                                        cout<<"Name already exists!"<<endl;
                                        return false;
                                }
                                if(temp->next->Name.compare(studnt->Name)<=0)
                                {
                                        temp=temp->next;
                                        break;
                                }
                        }
                        studnt->next=temp->next;
                        temp->next=studnt;
                        studnt->prev=temp;

                }
                return true;
        }
        bool edit(STUDENT *studnt)
        {
                 if(start==NULL)
                 {
                         cout<<"No such student exist!"<<endl;
                         return false;
                 }
                 else
                 {
                        STUDENT *temp=start;
                        if(studnt->Name.compare(start->Name)==0)
                        {
                                studnt->next=temp->next;
                                temp->next->prev=studnt;
                                start=studnt;
                                delete temp;
                                return true;
                        }
                        while(temp->next!=NULL)
                        {
                                if(studnt->Name.compare(temp->next->Name)==0)
                                {
                                        studnt->next=temp->next->next;
                                        temp->next=studnt;
                                        return true;
                                }
                                temp=temp->next;
                        }
                 }
                 return false;
        }
        bool del(string name)
        {
                if(start==NULL)
                 {
                         cout<<"No such student exist!"<<endl;
                         return false;
                 }
                 STUDENT *temp=start;
                 if(name.compare(start->Name)==0)
                {
                        start=temp->next;
                        delete temp;
                        return true;
                }
                 while(temp->next!=NULL)
                 {
                        if(name.compare(temp->next->Name)==0)
                        {
                                STUDENT *trash = temp->next;
                                temp->next=temp->next->next;
                                delete trash;
                                return true;
                        }
                        temp=temp->next;
                 }
        }
        void display()
	{
		STUDENT *temp=start;
                int studentnum=1;
		while(temp!=NULL)
		{
                        cout<<"Student Number "<<studentnum<<": "<<endl;
                        cout<<"Name: "<<temp->Name<<endl<<"Age: "<<temp->Age<<endl;
                        cout<<"Weight: "<<temp->Weight<<endl<<"Height: "<<temp->Height<<endl;
                        cout<<"Course: "<<temp->Course<<endl<<"Year: "<<temp->Year<<endl;
                        if(temp->Status==true)
                                cout<<"Status: Regular"<<endl<<endl;
                        else
                                cout<<"Status: Irregular"<<endl<<endl;
			temp=temp->next;
                        studentnum++;
		}
		system("pause");
	}
};
void main()
{
        doubly listers;
        ifstream a;
        a.open("input.in");
        int condition = 0;
        string firstline;
        getline(a,firstline);
        condition = stoi(firstline);
        string start;
        string cond;
        string name;
        string age;
        string weight;
        string height;
        string course;
        string year;
        string status;
        string end;
        for(int i=1;i<=condition;i++)
        {
                cout<<"entra";
                getline(a,start);
                if(start.compare(":")==0)
                {
                        getline(a,cond);
                        if(cond.compare("1")==0) // add
                        {
                                getline(a,name);
                                cout<<name<<endl;
                                getline(a,age);
                                cout<<age<<endl;
                                getline(a,weight);
                                cout<<weight<<endl;
                                getline(a,height);
                                cout<<height<<endl;
                                getline(a,course);
                                cout<<course<<endl;
                                getline(a,year);
                                cout<<year<<endl;
                                getline(a,status);
                                cout<<status<<endl;
                                getline(a,end);
                                cout<<end<<endl<<endl;
                                int edad = stoi(age);
                                double pesa = stod(weight);
                                double altor = stod(height);
                                int anyo = stoi(year);
                                bool st;
                                if(status.compare("Y")==0)
                                        st=true;
                                else
                                        st=false;

                                STUDENT *s1 = new STUDENT(name,edad,pesa,altor,course,anyo,st);
                                listers.add(s1);
                        }
                        else if(cond.compare("2")==0) // add
                        {
                                 getline(a,name);
                                cout<<name<<endl;
                                getline(a,age);
                                cout<<age<<endl;
                                getline(a,weight);
                                cout<<weight<<endl;
                                getline(a,height);
                                cout<<height<<endl;
                                getline(a,course);
                                cout<<course<<endl;
                                getline(a,year);
                                cout<<year<<endl;
                                getline(a,status);
                                cout<<status<<endl;
                                getline(a,end);
                                cout<<end<<endl<<endl;
                                int edad = stoi(age);
                                double pesa = stod(weight);
                                double altor = stod(height);
                                int anyo = stoi(year);
                                bool st;
                                if(status.compare("Y")==0)
                                        st=true;
                                else
                                        st=false;

                                STUDENT *s1 = new STUDENT(name,edad,pesa,altor,course,anyo,st);
                                listers.edit(s1);
                        }else if(cond.compare("3")==0)
                        {
                                getline(a,name);
                                cout<<"DELETING!"<<name<<endl;
                                listers.del(name);
                        }
                        while(cond.compare(";")!=0&&cond.compare("1")!=0&&cond.compare("2")!=0) //removing waste
                        {
                                getline(a,cond);
                                cout<<cond<<"asd"<<endl;
                        }


                }
        }
        listers.display();
        a.close();
        /*
        cout<<"--------test---------"<<endl;
        STUDENT *s1 = new STUDENT("Jan",28,60.6,58,"BSFM",2008,true);
        STUDENT *s2 = new STUDENT("Roy",28,60.6,58,"BSFM",2008,true);
        STUDENT *s4 = new STUDENT("Ori",28,60.6,58,"BSFM",2008,true);
        doubly tutz;
        tutz.add(s1);

        tutz.add(s2);
        tutz.add(s3);
        tutz.add(s4);
        tutz.display();
        */

        system("pause");
}