resultmanagementprogram.txt

this is a program for illustrating resturant billing management

   // INCLUDING ALL THE HEADER FILES  //
#include<conio.h>
#include<process.h>
#include<fstream.h>
#include<string.h>
#include<stdio.h>
#include<dos.h>

   // CLASS NAMED 'STUDENT' TO CALCULATE GRADE,TOTAL AND PERCANTAGE //
class student
{
	private:

	public:
	char grade(long int x,int y);
	long int total(int a,int b,int c,int d,int e);
	float percent(long int z);
};
	char student::grade(long int x,int y)
	{              // FUNCTION TO CALCULATE GRADE //
		if((x*100/y)>74)
		return('A');
		else
		{
			if((x*100/y)>60)
			return('B');
			else
			{
				if((x*100/y)>33)
				return('C');
				else
				return('E');
			}
		}
	 }

	 long int student::total(int a,int b,int c,int d,int e)
	 {                     // FUNCTION TO CALCULATE TOTAL MARKS //
		int t;
		t=(a+b+c+d+e);
		return (t);
	 }

	 float student::percent(long int z)
	 {                     // FUNCTION TO CALCULATE PERCANTAGE //
		float p=0;
		p=(z*100)/410;
		return(p);
	 }

			      // STRUCTURE TO INPUT DETAILS OF STUDENT //
struct studres
{

	int clas;
	char s;
	int rollno;
	char name[30];
	char fatername[30];
	char teachname[30];
	int engmark;
	int matmark;
	int phymark;
	int chemark;
	int commark;
	int total;
	float percentage;

}stdres;

struct temp
{
	int roll;
	char name[30];
	int clas;
	char sec;
	int total;

}temp;

    // ALL THE FUNCTIONS INITIALIZED //
void create();
void add();
void search();
void modify();
void merit();
void merit1();
void delet();
char grade(long int x,int y);
long int total(int a,int b,int c,int d,int e);
float percent(long int z);
int checking(int z, char y, int x);
void menu();

void main()
  {            //  MAIN PROGRAM STARTS HERE //
     clrscr();
      gotoxy(20,6);
      cout<<" R E S U L T    M A N A G E M E N T";

      gotoxy(10,10);
      cout<<"   By Suansh Singhal of class XII D";

	 getch();
      clrscr();
	menu();         // CALLING FUNCTION TO PRINT MENU //

}

void create()

  {                     // FUNCTION TO CREATE THE MAIN FILE //
	clrscr();
	  char ans;
	  fstream result;
      gotoxy(20,6);
      cout<<"WARNING !!! ALL PREVIOUS RECORDS WILL BE DELETED";
      gotoxy(10,10);
      cout<<"                 DO YOU STILL WANT TO CONTINUE(Y/N):";
      cin>>ans;
	  if(ans != 'N' || ans != 'n')
	     {
	       result.open("result.dat",ios::out|ios::binary);
	       result.close();
	     }
       menu();
   }

void add()

   {               // FUNCTION TO ADD DETAILS OF THE STUDENT //
	top:
	clrscr();
	int max1=100,max2=70,kar,l,m;
	char ch,n;
	cout<<"CLASS:";
	gotoxy (16,1);
	cout<<"SECTION:";
	gotoxy(31,1);
	cout<<"ROLL NO:";
	gotoxy(47,1);
	cout<<"STUDENT'S NAME:";
	gotoxy(1,5);
	cout<<"FATHER NAME:";
	gotoxy(45,5);
	cout<<"CLASS TEACHER:";
	gotoxy(1,9);
	cout<<"S.NO.";
	gotoxy(15,9);
	cout<<"SUBJECT";
	gotoxy(30,9);
	cout<<"MARKS";
	gotoxy(40,9);
	cout<<"MAXIMUM MARKS";
	gotoxy(70,9);
	cout<<"GRADE";
	gotoxy(3,11);
	cout<<"1";
	gotoxy(15,11);
	cout<<"ENGLISH";
	gotoxy(3,13);
	cout<<"2";
	gotoxy(15,13);
	cout<<"MATHS";
	gotoxy(3,15);
	cout<<"3";
	gotoxy(15,15);
	cout<<"PHYSICS";
	gotoxy(3,17);
	cout<<"4";
	gotoxy(15,17);
	cout<<"CHEMISTRY";
	gotoxy(3,19);
	cout<<"5";
	gotoxy(15,19);
	cout<<"COMPUTER";
	gotoxy(3,25);
	cout<<"6";
	gotoxy(15,25);
	cout<<"TOTAL";
	gotoxy(3,27);
	cout<<"7";
	gotoxy(15,27);
	cout<<"PERCENTAGE";
				 // getting student information //
	gotoxy(8,1);
	cin>>m;
	gotoxy(25,1);
	n=getchar();
	fflush(stdin);

	fstream result;
	result.open("result.dat",ios::app|ios::binary);
	gotoxy(40,1);
	cin>>l;
	kar=checking(m,n,l);
	if(kar==1)
	{
		result.close();
		goto top;
	}
	else
	{
		stdres.clas=m;
		stdres.s=n;
		stdres.rollno=l;
	}

	gotoxy(63,1);
	gets(stdres.name);
	fflush(stdin);

	gotoxy(14,5);
	gets(stdres.fatername);
	fflush(stdin);
	gotoxy(60,5);
	gets(stdres.teachname);

	gotoxy(47,11);                               /*marks table*/
	cout<<"100";
	gotoxy(32,11);
	cin>>stdres.engmark;
	gotoxy(72,11);
	cout<<grade(stdres.engmark,max1);

	gotoxy(47,13);
	cout<<"100";
	gotoxy(32,13);
	cin>>stdres.matmark;
	gotoxy(72,13);
	cout<<grade(stdres.matmark,max1);

	gotoxy(47,15);
	cout<<" 70";
	gotoxy(32,15);
	cin>>stdres.phymark;
	gotoxy(72,15);
	cout<<grade(stdres.phymark,max2);

	gotoxy(47,17);
	cout<<" 70";
	gotoxy(32,17);
	cin>>stdres.chemark;
	gotoxy(72,17);
	cout<<grade(stdres.chemark,max2);

	gotoxy(47,19);
	cout<<" 70";
	gotoxy(32,19);
	cin>>stdres.commark;
	gotoxy(72,19);
	cout<<grade(stdres.commark,max2);

	gotoxy(47,25);
	cout<<"410";
	gotoxy(31,25);

cout<<total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,st
dres.commark);

stdres.total=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.che
mark,stdres.commark);

	gotoxy(32,27);
	stdres.percentage=percent(stdres.total);
	cout<<stdres.percentage;
	gotoxy(80,50);


	result.write((char*)&stdres,sizeof(stdres));
	result.close();
	getch();
	menu();
}

char grade(long int x,int y)
	{           // FUNCTION THAT CALCULATES GRADE OF THE STUDENT //
		if((x*100/y)>74)
		return('A');
		else
		{
			if((x*100/y)>60)
			return('B');
			else
			{
				if((x*100/y)>33)
				return('C');
				else
				return('E');
			}
		}
	 }

long int total(int a,int b,int c,int d,int e)
	 {          // FUNCTION TO CALCULATE TOTAL OF STUDENT //
		int t;
		t=(a+b+c+d+e);
		return (t);
	 }

float percent(long int z)
	 {
		float p=0;
		p=(z*100)/410;
		return(p);
	 }

int checking(int z, char y, int x)
	 {              // FUNCTION TO CALCULATE WETHER STUDENT EXISTS //
		int suansh=0;
		fstream result;
		result.open("result.dat",ios::in|ios::binary);
		result.read((char*)&stdres,sizeof(stdres));
		while(result)
		{
			if(stdres.clas==z&&stdres.s==y&&stdres.rollno==x)
			{
				clrscr();
				gotoxy(22,25);
				cout<<"ENTRY ALREADY EXISTS";
				getch();
				suansh=1;
				break;
			}
			result.read((char*)&stdres, sizeof(stdres));
		}
		return(suansh);
	}


void menu()
		  // FUNCTION THAT PRINTS THE MAIN MENU //
 {
       clrscr();
	int ans;
      gotoxy(25,10);
      cout<<"M A I N   M E N U";
      gotoxy(17,15);
      cout<<"1. Create the Primary Result Register";
      gotoxy(17,16);
      cout<<"2. Add Result";
      gotoxy(17,17);
      cout<<"3. Modify Result";
      gotoxy(17,18);
      cout<<"4. Search Result";
      gotoxy(17,19);
      cout<<"5. Delete Result";
      gotoxy(17,20);
      cout<<"6. Generate Merit List Grade wise per subject";
      gotoxy(17,21);
      cout<<"7. Generate Merit List on basis of Total Marks";
      gotoxy(17,22);
      cout<<"8. Exit";

	gotoxy(40,25);
       cout<<"Enter Option(1-8):";
      cin>>ans;
		  // SWITCH USED TO MAKE PROGRAM MENU BASED //
	     switch(ans)
		{
		   case 1:create();
			   break;
		   case 2: add();
			    break;
		   case 3: modify();
			    break;
		   case 4: search();
			    break;
		   case 5: delet();
			    break;
		   case 6: merit();
			    break;
		   case 7: merit1();
			    break;
		   case 8: exit(0);
		}


}

void search()

 {           // FUNCTION TO SEARCH A STUDENT //
    {
	clrscr();
	int max1=100,max2=70,roll,flag=0;
	char ch;
	gotoxy(23,15);
	cout<<"Enter the Roll No. of the student: ";
	cin>>roll;
	fstream result;
	result.open("result.dat",ios::in|ios::binary);
	result.read((char*)&stdres,sizeof(stdres));
	while(result)
	{
		if(stdres.rollno==roll)
		{
			flag=1;
			clrscr();
			gotoxy(23,25);
			cout<<"RECORD FOUND";
			gotoxy(23,27);
			cout<<"PRESS ANY KEY TO CONTINUE ...";
			getch();


			clrscr();
			cout<<"CLASS:";
			gotoxy (16,1);
			cout<<"SECTION:";
			gotoxy(31,1);
			cout<<"ROLL NO:";
			gotoxy(47,1);
			cout<<"STUDENT'S NAME:";
			gotoxy(1,5);
			cout<<"FATHER NAME:";
			gotoxy(45,5);
			cout<<"CLASS TEACHER:";
			gotoxy(1,9);
			cout<<"S.NO.";
			gotoxy(15,9);
			cout<<"SUBJECT";
			gotoxy(30,9);
			cout<<"MARKS";
			gotoxy(40,9);
			cout<<"MAXIMUM MARKS";
			gotoxy(70,9);
			cout<<"GRADE";
			gotoxy(3,11);
			cout<<"1";
			gotoxy(15,11);
			cout<<"ENGLISH";
			gotoxy(3,13);
			cout<<"2";
			gotoxy(15,13);
			cout<<"MATHS";
			gotoxy(3,15);
			cout<<"3";
			gotoxy(15,15);
			cout<<"PHYSICS";
			gotoxy(3,17);
			cout<<"4";
			gotoxy(15,17);
			cout<<"CHEMISTRY";
			gotoxy(3,19);
			cout<<"5";
			gotoxy(15,19);
			cout<<"COMPUTER";
			gotoxy(3,25);
			cout<<"6";
			gotoxy(15,25);
			cout<<"TOTAL";
			gotoxy(3,27);
			cout<<"7";
			gotoxy(15,27);
			cout<<"PERCENTAGE";
			gotoxy(8,1);
			cout<<stdres.clas; /*printing student information*/
			gotoxy(25,1);
			cout<<stdres.s;
			gotoxy(40,1);
			cout<<stdres.rollno;
			gotoxy(63,1);
			puts(stdres.name);
			fflush(stdout);
			gotoxy(14,5);
			puts(stdres.fatername);
			fflush(stdout);
			gotoxy(60,5);
			puts(stdres.teachname);

			gotoxy(47,11);              /*marks table*/
			cout<<"100";
			gotoxy(32,11);
			cout<<stdres.engmark;
			gotoxy(72,11);
			cout<<grade(stdres.engmark,max1);

			gotoxy(47,13);
			cout<<"100";
			gotoxy(32,13);
			cout<<stdres.matmark;
			gotoxy(72,13);
			cout<<grade(stdres.matmark,max1);

			gotoxy(47,15);
			cout<<" 70";
			gotoxy(32,15);
			cout<<stdres.phymark;
			gotoxy(72,15);
			cout<<grade(stdres.phymark,max2);

			gotoxy(47,17);
			cout<<" 70";
			gotoxy(32,17);
			cout<<stdres.chemark;
			gotoxy(72,17);
			cout<<grade(stdres.chemark,max2);

			gotoxy(47,19);
			cout<<" 70";
			gotoxy(32,19);
			cout<<stdres.commark;
			gotoxy(72,19);
			cout<<grade(stdres.commark,max2);

			gotoxy(47,25);
			cout<<"410";
			gotoxy(31,25);

cout<<total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,st
dres.commark);

stdres.total=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.che
mark,stdres.commark);

			gotoxy(32,27);
			stdres.percentage=percent(stdres.total);
			cout<<stdres.percentage;
			gotoxy(80,50);

			result.close();
			getch();
			menu();


		}
		else
		result.read((char*)&stdres,sizeof(stdres));


     }

     if(flag==0)
     {

	clrscr();
	gotoxy(23,23);
	cout<<"SORRY! The Roll No."<<roll<<" does not exist.";
	gotoxy(23,25);
	cout<<"         PLEASE! TRY AGAIN.";
	result.close();
	getch();
	menu();
     }
}
}

void modify()

   {                  // FUNCTION TO MODIFY STUDENT'S DATA //
	clrscr();
	int max1=100,max2=70,roll,flag=0,flag2=0;
	char ch,z,n;
	gotoxy(23,15);
	cout<<"Enter the Roll No. of the student: ";
	cin>>roll;
	fstream result,tfile;
	result.open("result.dat",ios::in|ios::binary);
	tfile.open("tfile.dat",ios::out|ios::binary);
	result.read((char*)&stdres,sizeof(stdres));
	while(result)
	{
		if(stdres.rollno==roll)
		{
			flag=1;
			clrscr();
			gotoxy(23,25);
			cout<<"RECORD FOUND";
			gotoxy(23,27);
			cout<<"PRESS ANY KEY TO CONTINUE ...";
			getch();


			clrscr();
			cout<<"CLASS:";
			gotoxy (16,1);
			cout<<"SECTION:";
			gotoxy(31,1);
			cout<<"ROLL NO:";
			gotoxy(47,1);
			cout<<"STUDENT'S NAME:";
			gotoxy(1,5);
			cout<<"FATHER NAME:";
			gotoxy(45,5);
			cout<<"CLASS TEACHER:";
			gotoxy(1,9);
			cout<<"S.NO.";
			gotoxy(15,9);
			cout<<"SUBJECT";
			gotoxy(30,9);
			cout<<"MARKS";
			gotoxy(40,9);
			cout<<"MAXIMUM MARKS";
			gotoxy(70,9);
			cout<<"GRADE";
			gotoxy(3,11);
			cout<<"1";
			gotoxy(15,11);
			cout<<"ENGLISH";
			gotoxy(3,13);
			cout<<"2";
			gotoxy(15,13);
			cout<<"MATHS";
			gotoxy(3,15);
			cout<<"3";
			gotoxy(15,15);
			cout<<"PHYSICS";
			gotoxy(3,17);
			cout<<"4";
			gotoxy(15,17);
			cout<<"CHEMISTRY";
			gotoxy(3,19);
			cout<<"5";
			gotoxy(15,19);
			cout<<"COMPUTER";
			gotoxy(3,25);
			cout<<"6";
			gotoxy(15,25);
			cout<<"TOTAL";
			gotoxy(3,27);
			cout<<"7";
			gotoxy(15,27);
			cout<<"PERCENTAGE";

			gotoxy(8,1);
			cout<<stdres.clas; /*printing student information*/
			gotoxy(25,1);
			cout<<stdres.s;
			gotoxy(40,1);
			cout<<stdres.rollno;
			gotoxy(63,1);
			puts(stdres.name);
			fflush(stdout);
			gotoxy(14,5);
			puts(stdres.fatername);
			fflush(stdout);
			gotoxy(60,5);
			puts(stdres.teachname);

			gotoxy(47,11);              /*marks table*/
			cout<<"100";
			gotoxy(32,11);
			cout<<stdres.engmark;
			gotoxy(72,11);
			cout<<grade(stdres.engmark,max1);

			gotoxy(47,13);
			cout<<"100";
			gotoxy(32,13);
			cout<<stdres.matmark;
			gotoxy(72,13);
			cout<<grade(stdres.matmark,max1);

			gotoxy(47,15);
			cout<<" 70";
			gotoxy(32,15);
			cout<<stdres.phymark;
			gotoxy(72,15);
			cout<<grade(stdres.phymark,max2);

			gotoxy(47,17);
			cout<<" 70";
			gotoxy(32,17);
			cout<<stdres.chemark;
			gotoxy(72,17);
			cout<<grade(stdres.chemark,max2);

			gotoxy(47,19);
			cout<<" 70";
			gotoxy(32,19);
			cout<<stdres.commark;
			gotoxy(72,19);
			cout<<grade(stdres.commark,max2);

			gotoxy(47,25);
			cout<<"410";
			gotoxy(31,25);

cout<<total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,st
dres.commark);

stdres.total=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.che
mark,stdres.commark);

			gotoxy(32,27);
			stdres.percentage=percent(stdres.total);
			cout<<stdres.percentage;



			getch();

			gotoxy(32,40);
			cout<<"WOULD YOU LIKE TO MAKE ANY CHANGES
 ";
			cout<<"IF YES .. PRESS 'A' ";
			z=getch();
			if(z=='a'||z=='A')
			{
				flag2=1;
				clrscr();            /*again printing format for modification*/
				cout<<"CLASS:";
				gotoxy (16,1);
			cout<<"SECTION:";
			gotoxy(31,1);
			cout<<"ROLL NO:";
			gotoxy(47,1);
			cout<<"STUDENT'S NAME:";
			gotoxy(1,5);
			cout<<"FATHER NAME:";
			gotoxy(45,5);
			cout<<"CLASS TEACHER:";
			gotoxy(1,9);
			cout<<"S.NO.";
			gotoxy(15,9);
			cout<<"SUBJECT";
			gotoxy(30,9);
			cout<<"MARKS";
			gotoxy(40,9);
			cout<<"MAXIMUM MARKS";
			gotoxy(70,9);
			cout<<"GRADE";
			gotoxy(3,11);
			cout<<"1";
			gotoxy(15,11);
			cout<<"ENGLISH";
			gotoxy(3,13);
			cout<<"2";