RESULT MANAGEMENT SYSYEM

// INCLUDING ALL THE HEADER FILES //
#include
#include
#include
#include
#include
#include

// 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<<<"100"; gotoxy(32,13); cin>>stdres.matmark;
gotoxy(72,13);
cout<<<" 70"; gotoxy(32,15); cin>>stdres.phymark;
gotoxy(72,15);
cout<<<" 70"; gotoxy(32,17); cin>>stdres.chemark;
gotoxy(72,17);
cout<<<" 70"; gotoxy(32,19); cin>>stdres.commark;
gotoxy(72,19);
cout<<<"410"; gotoxy(31,25); cout<<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<<<<<"100"; gotoxy(32,11); cout<<<<"100"; gotoxy(32,13); cout<<<<" 70"; gotoxy(32,15); cout<<<<" 70"; gotoxy(32,17); cout<<<<" 70"; gotoxy(32,19); cout<<<<"410"; gotoxy(31,25); cout<<<<"SORRY! The Roll No."<<<" 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<<<<<"100"; gotoxy(32,11); cout<<<<"100"; gotoxy(32,13); cout<<<<" 70"; gotoxy(32,15); cout<<<<" 70"; gotoxy(32,17); cout<<<<" 70"; gotoxy(32,19); cout<<<<"410"; gotoxy(31,25); 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"; 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<<<<<"100"; gotoxy(32,11); cin>>stdres.engmark;
gotoxy(72,11);
cout<<<"100"; gotoxy(32,13); cin>>stdres.matmark;
gotoxy(72,13);
cout<<<" 70"; gotoxy(32,15); cin>>stdres.phymark;
gotoxy(72,15);
cout<<<" 70"; gotoxy(32,17); cin>>stdres.chemark;
gotoxy(72,17);
cout<<<" 70"; gotoxy(32,19); cin>>stdres.commark;
gotoxy(72,19);
cout<<<"410"; gotoxy(31,25); cout<<<<"SORRY! The Roll No."<<<" does not exist."; gotoxy(23,25); cout<<" PLEASE! TRY AGAIN."; result.close(); getch(); } menu(); } void merit1() { // FUNCTION TO GENERATE MERIT LIST // clrscr(); int larg,l,flag=0; gotoxy(15,17); cout<<"Press any key for the merit list "; gotoxy(80,50); getch(); clrscr(); gotoxy(15,17); cout<<"PLEASE wait while the list is being generated..."; gotoxy(80,50); delay(2000); clrscr(); gotoxy(15,15); cout<<"LIST generated."; gotoxy(15,17); cout<<"press any key to continue..."; gotoxy(80,50); getch(); clrscr(); 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) { l=total(stdres.engmark,stdres.matmark,stdres.phymark,stdres.chemark,stdres commark); if(l>368)
{
temp.roll=stdres.rollno;
strcpy(temp.name,stdres.name);
temp.clas=stdres.clas;
temp.sec=stdres.s;
temp.total=l;
tfile.write((char*)&temp,sizeof(temp));
}
result.read((char*)&stdres,sizeof(stdres));


}


result.close();
tfile.close();
gotoxy(12,1);
cout<<"ROLL NO."; gotoxy(22,1); cout<<"NAME"; gotoxy(38,1); cout<<"TOTAL"; int k=3; for(int i=410;i>368;i--)
{

tfile.open("tfile.dat",ios::in|ios::binary);
tfile.read((char*)&temp,sizeof(temp));
while(tfile)
{
if(temp.total==i)
{
flag=1;
gotoxy(15,k);
cout<<<<<"SORRY! No record found."; } gotoxy(80,50); getch(); menu(); } void merit() { // FUNCTION TO GENERATE SECOND MERIT LIST // reverse: clrscr(); int n,c,k=3,flag=0,i; gotoxy(15,2); cout<<"MENU"; gotoxy(15,4); cout<<"1. ENGLISH"; gotoxy(15,5); cout<<"2. MATHEMATICS"; gotoxy(15,6); cout<<"3. PHYSICS"; gotoxy(15,7); cout<<"4. CHEMISTRY"; gotoxy(15,8); cout<<"5. COMPUTER"; gotoxy(15,18); cout<<"Enter your option: "; cin>>n;
clrscr();

fstream result;
switch(n)
{

/*english*/

case 1: back1:
gotoxy(15,2);
cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c;
clrscr();
gotoxy(14,1);
cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"74;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.engmark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.engmark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.engmark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.engmark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back1; } menu(); /*mathematics*/ case 2: back2: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c;
clrscr();
gotoxy(14,1);
cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"Marks"; switch(c) { case 1: for(i=100;i>74;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.matmark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.matmark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.matmark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.matmark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back2; } menu(); /*physics*/ case 3: back3: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c;
clrscr();
gotoxy(14,1);
cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"Marks"; switch(c) { case 1: for(i=100;i>74;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.phymark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.phymark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.phymark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.phymark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back3; } menu(); /*chemistry*/ case 4: back4: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c;
clrscr();
gotoxy(14,1);
cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"Marks"; switch(c) { case 1: for(i=100;i>74;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.chemark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.chemark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.chemark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.chemark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back4; } menu(); /*computer*/ case 5: back5: gotoxy(15,2); cout<<"1. Students with Grade 'A'"; gotoxy(15,3); cout<<"2. Students with Grade 'B'"; gotoxy(15,4); cout<<"3. Students with Grade 'C'"; gotoxy(15,5); cout<<"4. Students with Grade 'E' "; gotoxy(15,7); cout<<"Enter your Option: "; cin>>c;
clrscr();
gotoxy(14,1);
cout<<"Roll no."; gotoxy(25,1); cout<<"Name"; gotoxy(37,1); cout<<"Class"; gotoxy(45,1); cout<<"Section"; gotoxy(60,1); cout<<"Marks"; switch(c) { case 1: for(i=100;i>74;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.commark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 2: for(i=74;i>60;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.commark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 3: for(i=60;i>33;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.commark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; case 4: for( i=33;i>0;i--)
{

result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));
while(result)
{
if(stdres.commark==i)
{
flag=1;
gotoxy (17,k);
cout<<<<<<<"NO RECORD FOUND."; gotoxy(80,50); } getch(); break; default:clrscr(); gotoxy(25,25); cout<<"Invalid Option."; getch(); goto back5; } menu(); default: clrscr(); cout<<"INVALID OPTION"; getch(); menu(); } gotoxy(80,50); } void delet() { // FUNCTION TO DELETE A RESULT ENTRY // clrscr(); student stud; int r,s,flag=0; char t,z; cout<<"Enter the class: "; cin>>s;
cout<<"Enter the section: "; cin>>t;
cout<<"Enter the roll no."; cin>>r;
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.clas==s&&stdres.s==t&&stdres.rollno==r)
{
clrscr();
flag=1;
gotoxy(20,20);
cout<<"RECORD FOUND AND DELETED.";
getch();
}
else
tfile.write((char*)&stdres,sizeof(stdres));
result.read((char*)&stdres,sizeof(stdres));
}
result.close();
tfile.close();

if(flag==0)
{
clrscr();
gotoxy(25,22);
cout<<"RECORD NOT FOUND.";
getch();
exit(0);
}


result.open("result.dat",ios::out|ios::binary);
tfile.open("tfile.dat",ios::in|ios::binary);
tfile.read((char*)&stdres,sizeof(stdres));
while(tfile)
{
result.write((char*)&stdres,sizeof(stdres));
tfile.read((char*)&stdres,sizeof(stdres));
}
result.close();
tfile.close();

/*DISPLAYING THE RECORDS AFTER DELETION*/

clrscr();
cout<<"New File after Deletion of Record";
getch();




result.open("result.dat",ios::in|ios::binary);
result.read((char*)&stdres,sizeof(stdres));


while(result)
{
clrscr();
int max1=100,max2=70;
char ch;
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<
gotoxy(25,1);
cout<
gotoxy(40,1);
cout<
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<
gotoxy(72,11);
cout<

gotoxy(47,13);
cout<<"100";
gotoxy(32,13);
cout<
gotoxy(72,13);
cout<

gotoxy(47,15);
cout<<" 70";
gotoxy(32,15);
cout<
gotoxy(72,15);
cout<

gotoxy(47,17);
cout<<" 70";
gotoxy(32,17);
cout<
gotoxy(72,17);
cout<

gotoxy(47,19);
cout<<" 70";
gotoxy(32,19);
cout<
gotoxy(72,19);
cout<


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

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

stdres.total = stud.total(stdres.engmark,stdres.matmark, stdres.phymark, stdres.chemark, stdres.commark);

gotoxy(32,27);
stdres.percentage=stud.percent(stdres.total);
cout<
gotoxy(80,50);
result.read((char*)&stdres,sizeof(stdres));
getch();

}

result.close();
menu();

}