onlineadm.cpp

online admission systems

#include<graphics.h>
#include<iostream.h>
#include<conio.h>
#include<stdlib.h>
#include<fstream.h>
#include<string.h>
#include<dos.h>
#include<math.h>
#include<stdio.h>
fstream v1,v2,v3;
class college
{
  protected:
  struct coll
  {
    char cname[10];
    char course[5];
    int seats;
    float crange;
    char category[6];
    int state;
    int internation;
    int other;
  }c,cc,col[2];
public:
college(){}
void write(int i,coll c2);
void insert();
void show();
};
void college:: insert()
{
    v1.open("cc.txt",ios::out|ios::app);
    cout<<"COLLEGE DETAILS:"<<"\n";
    cout<<"^^^^^^^ ^^^^^^^"<<"\n";
	  cout<<"ENTER THE NAME OF COLLEGE                  :";
    cin>>c.cname;
    cout<<"\n"<<"ENTER THE COLLEGE CATEGORY(govt\priv\auto) :";
    cin>>c.category;
    for(int i=0;i<4;i++)
    {
      cout<<"\n"<<"\t"<<"COURSE:"<<"\t";
      cin>>c.course;
      cout<<"\n"<<"\t\t"<<"number of seats                     :";
      cin>>c.seats;
      cout<<"\n"<<"\t\t"<<"crange                              :";
      cin>>c.crange;
      cout<<"\n"<<"\t\t"<<"enter the state quota seats         :";
      cin>>c.state;
      cout<<"\n"<<"\t\t"<<"enter the international quota seats :";
      cin>>c.internation;
      cout<<"\n"<<"\t\t"<<"enter the other quota seats         :";
      cin>>c.other;
      v1.write((char*)&c,sizeof(c));
    }
    v1.close();

}
void college::show()
{
//static int i=0;
  v1.open("cc.txt",ios::in);
 cout<<"COLLEGE DETAILS:"<<"\n";
 cout<<"^^^^^^^ ^^^^^^^"<<"\n";
 cout<<"COLLEGE"<<"  "<<"COURSE"<<"  "<<"N.SEATS"<<"  "<<"MINCUTOFF"<<"     "<<"CATEGORY"<<"    "<<"STATE Q."<<"  "<<"NRI Q."<<"  "<<"OSTATE Q."<<"\n";
 cout<<"~~~~~~~"<<"  "<<"~~~~~~"<<"  "<<"~~~~~~~"<<"  "<<"~~~~~~~~~"<<"     "<<"~~~~~~~~"<<"    "<<"~~~~~~~~"<<"  "<<"~~~~~~"<<"  "<<"~~~~~~~~~";
  while(v1.read((char*)&cc,sizeof(c)))
  {

      cout<<"\n"<<cc.cname<<"\t  "<<cc.course<<"\t  "<<cc.seats<<"\t   "<<cc.crange<<"     \t"<<cc.category<<"\t     "<<cc.state<<" \t"<<cc.internation<<"     \t"<<cc.other<<"\n";
 }
  v1.close();
}



class student
{
  protected:
  struct stud
  {
    char name[10];
    int  total;
    float cutoff;
    int rank;
    char division[10];
  }s,ss;
public:
student(){}
void insert1();
void show1();
void upsdate1();
};
void student:: insert1()
{
   v2.open("dd.txt",ios::out);//|ios::app);
   for(int i=0;i<10;i++)
    {
       cout<<"Enter The Name Of student     :";
       cin>>s.name;
       cout<<"\n"<<"\t"<<"Enter The The Total                 :";
       cin>>s.total;
       cout<<"\n"<<"\t"<<"enter cutoff                        :";
       cin>>s.cutoff;
       cout<<"\n"<<"\t"<<"enter the rank                      :";
       cin>>s.rank;
       cout<<"\n"<<"\t"<<"enter the division(nri\other\state) :";
       cin>>s.division;
       v2.write((char*)&s,sizeof(s));
    }
    v2.close();
}
void student::show1()
{
    v2.open("dd.txt",ios::in);
    cout<<"ADMISSION DETAILS:";
    cout<<"\n"<<"~~~~~~~~~ ~~~~~~~"<<"\n";
    cout<<"\n"<<"NAME"<<"\t\t"<<"TOTAL"<<"\t\t"<<"CUTOFF"<<"\t\t"<<"RANK"<<"\t\t"<<"DIVISION"<<"\n";
    cout<<"~~~~"<<"\t\t"<<"~~~~~"<<"\t\t"<<"~~~~~~"<<"\t\t"<<"~~~~"<<"\t\t"<<"~~~~~~~~";
    while(v2.read((char*)&ss,sizeof(ss)))
    {
       cout<<"\n";
       cout<<ss.name<<"\t\t"<<ss.total<<"\t\t"<<ss.cutoff<<"\t\t"<<ss.rank<<"\t\t"<<ss.division;
       cout<<"\n";
     }
     v2.close();
}



class veth;
class school:public virtual student
{
protected:
//char name[10];
struct sch
{
char schoname[10];
char sex[2];
char schol[5];
int maths;
int science;
int language;
float entrance;
int age;
}x,xx;
public:
void insert2();
void details();
};
void school::insert2()
{
    //veth z;
    v3.open("xx.txt",ios::out);
   for(int i=0;i<5;i++)
    {
       cout<<"\n"<<"Enter name of student:";
       cin>>x.schoname;
       cout<<"\n"<<"\t"<<"Enter The sex Of student    :";
       cin>>x.sex;
       cout<<"\n"<<"\t"<<"Enter The school             :";
       cin>>x.schol;
       cout<<"\n"<<"\t"<<"enter maths marks(200)       :";
       cin>>x.maths;
       cout<<"\n"<<"\t"<<"enter science marks(200)     :";
       cin>>x.science;
       cout<<"\n"<<"\t"<<"enter language marks(200)    :";
       cin>>x.language;
       cout<<"\n"<<"\t"<<"enter the entrance marks(100):";
       cin>>x.entrance;
       //x.age=z.get();
       v3.write((char*)&x,sizeof(x));

    }
    v3.close();
}
void school::details()
{
   char a[10];
   cout<<"STUDENT DETAILS:";
   cout<<"\n"<<"~~~~~~~ ~~~~~~~~";
   cout<<"\n"<<"ENTER THE NAME OF STUDENT:";
   cin>>a;
   cout<<"\n";
   cout<<"BIODATA OF MR."<<a<<":";
   cout<<"\n"<<"~~~~~~~ ~~ ~~~"<<"\n";
   v2.open("dd.txt",ios::in);
   v3.open("xx.txt",ios::in);
   cout<<"NAME"<<"\t"<<"SEX"<<"\t"<<"SCHOOL"<<"\t"<<"MATHS"<<"\t"<<"SCIENCE"<<"\t  "<<"LANGUAGE"<<"  "<<"ENTRANCE"<<"  "<<"CUTOFF"<<"\n\n";
   cout<<"~~~~"<<"\t"<<"~~~"<<"\t"<<"~~~~~~"<<"\t"<<"~~~~~"<<"\t"<<"~~~~~~~"<<"\t  "<<"~~~~~~~~"<<"  "<<"~~~~~~~~"<<"  "<<"~~~~~~"<<"\n";
   while(v2.read((char*)&ss,sizeof(ss)))
       {
	//cout<<"\n\n\n"<<xx.sex<<"\t"<<xx.schol;
	if(!strcmpi(ss.name,a))
	{

	 while(v3.read((char*)&xx,sizeof(xx)))
	  {
	    if(!strcmpi(xx.schoname,a))
	      {      //cout<<xx.schoname<<"1234";
	       cout<<ss.name<<"\t"<<xx.sex<<"\t"<<xx.schol<<"\t"<<xx.maths<<"\t"<<xx.science<<"\t  "<<xx.language<<"\t    "<<xx.entrance<<"\t       "<<ss.cutoff<<"\n";
	       }
	   }

	 }
      }

    v3.close();
    v2.close();
}
class admission: public college,public virtual student
{
public:

admission(){}
void comp(char *,char *);
void comp();
void disp();
void getcourse(char *);
};
void admission::getcourse( char *tem)
{
   tem=new char[10];
   char tem1[4];
   v1.open("cc.txt",ios::in);
   int i=0;
   while(v1.read((char*)&cc,sizeof(cc)))
      {
	if(strcmp(tem,cc.cname))
	{
	if(cc.crange<ss.cutoff)
	   {
	       i++;
	       cout<<i<<")"<<"\t"<<cc.cname<<"------->"<<cc.course<<"\n";
	      //goto a;
	    }
	 }
      }
      cout<<"ENTER THE COURSE NAME"<<endl;
      cin>>tem1;
      comp(tem,tem1);
}
void admission::disp()
{
  char temp[10];
  v1.open("cc.txt",ios::in);
  v2.open("dd.txt",ios::in);
  cout<<"REGISTRATION MODULE";
  cout<<"you can select one of these colleges:"<<"\n";
	  int i=0,k=0;
  while(v2.read((char*)&ss,sizeof(ss)))
   {
      int j=0;
      while(v1.read((char*)&cc,sizeof(cc)))
      {
	if(cc.crange<ss.cutoff)
	    { j++;
	      i++;
	      if(i%4==0)
	      { k++;
	     cout<<k<<")"<<cc.cname<<endl;
	     }
	     }

       }
    }
 v1.close();
 v2.close();
 cout<<"ENTER THE COLLEGE NAME"<<endl;
 cin>>temp;
 getcourse(temp);
 }
 void admission::comp(char *a,char *b)
  {
   a=new char[10];
   b=new char[10];
   v2.open("dd.txt",ios::in);

   m:
   while(v2.read((char*)&ss,sizeof(ss)))
   {
      v1.open("cc.txt",ios::in);
      int i=0;
      while(v1.read((char*)&cc,sizeof(cc)))
      {
	  i++;
	  if(!strcmpi(cc.cname,a))
	  {
	    if(!strcmpi(cc.course,b)&&cc.crange<ss.cutoff&&cc.seats>0)
	    {
		cc.seats--;
		cout<<endl<<cc.seats<<"\n";
		cout<<"CONGRATULATIONS"<<"\n";
		v1.close();
		write(i,cc);
		goto m;
	    }
	    else
	    {
		v1.close();
		continue;
	    }
	}
    }
}
  v2.close();
}


void admission::comp()
{
   char col[10],co[10];
   v2.open("dd.txt",ios::in);
   int i=0;
   m:
   while(v2.read((char*)&ss,sizeof(ss)))

   {
      cout<<"COLLEGE ADMISSION"<<"\n";
      cout<<"^^^^^^^^^^^^^^^^^";
      cout<<"NAME OF STUDENT:"<<ss.name<<"\n";
      cout<<"ENTER THE COL NAME:";
      cin>>col;
      cout<<"ENTER THE COURSE NAME:";
      cin>>co;
      v1.open("cc.txt",ios::in);
      i=0;
      while(v1.read((char*)&cc,sizeof(cc)))
      {
	  i++;
	  if(!strcmpi(cc.cname,col))
	  {
	    if(cc.seats>0)
	     {
	       if(!strcmpi(cc.course,co)&&cc.crange<ss.cutoff)
		 {
			cc.seats--;
			cout<<endl<<cc.seats<<"\n";
			cout<<"	congratulations mr."<<ss.name<<"  has been admt in  "<<cc.cname<<"  in  "<<cc.course<<"  department"<<"\n";
			if(cc.state)
			{
			       if(!strcmp(ss.division,"state"))
				 cc.state--;
			}
			 //else

			 if(cc.internation)
			{
			       if(!strcmp(ss.division,"nri"))
			       cc.internation--;
			}
		       //	else
				//cout<<"SEATS ARE NOT AVALABLE";

			if(!cc.other)
			{
				 if(!strcmp(ss.division,"other"))
				  {cc.other--;}
			}
		     //	else
		       //	   cout<<"SEATS ARE NOT AVAILABLE:";
		    v1.close();
		    write(i,cc);
		    goto m;
		}
		else
		{
		    v1.close();
		    continue;
		}
	     }
	     else
	     {