My Programs

BANASTHALI PUBLIC SCHOOL

CERTIFICATEStudent’s Name – ANUBHAV RAWAT

STD - XI sci.

ROLL NO. –

This is to certify that the programs in this

file have been performed and completed by the student satisfactorily to the best of

my knowledge. …………….

| ISHAN POPLI


Signature

DATED-

ACKNOWLEDGMENTThis project file could not have been completed without my computer science teacher !!!!!!!

Ms. VARINDER KAUR who not only served as my supervisor but also encouraged and challenged

| ISHAN POPLI


me throughout my academic program. She and my classmates guided me through the whole project, never accepting less than my best efforts. I thank them all.

INTRODUCTIONThis project is a part of C++ final term exams of class Xi .In this project, there are lots of program based on our syllabus. All the programs are taken or are related to our ncert book “computer science” written by sumita arora.

| ISHAN POPLI


The project contains all the basic programs of using c++ such as arrays, calculator, conversions and many more.

In this file all the source codes are present that I was instructed to present .I hope the reader would like the format and presentation of this project file.

INDEXSR NO.

TOPIC DATE

1 Leap Year 14/7/20102 Multiplication Table 19/7/20103 Check for Odd or

Even 20/7/2010

4 Week Day 30/7/2010 | ISHAN POPLI


5 No. of Digits 31/7/20106 Greatest of 3 Nos. 01/8/20107 No. of Vowels,

Characters in a String

08/8/2010

8 Calculator 10/8/20109 Greatest of 3 Nos.

using Conditional 14/8/2010

10 Bonus, Commission And Gross Salary Of A Salesman

16/8/2010

11 Search ( Linear & Binary )

3/9/2010

12 Multiplication of Matrix

18/9/2010

13 No Days, Weeks in a Year

22/9/2010

14 Celsius To Fahrenheit

14/9/2010

15 Triangle Area 25/9/201016 Sqrt & Power 14/10/201

| ISHAN POPLI


017 Quotient &

Remainder 24/10/2010

18 Largest Element Of An Array

03/11/2010

19 Search (linear & binary)

09/11/2010

20 Array 18/11/2010

21 Fibonacci Series 19/11/2010

22 Print n Prime Nos. 23/11/2010

23 Armstrong Number 25/11/2010

24 No. of repetitions of a digit

27/11/2010

25 Insert & Delete from Array

02/12/2010

26 Palindrome Or Not 17/12/2010

| ISHAN POPLI


27 Sum Of First N Natural Numbers

29/12/2010

28 Telephone directory(using structure)

05/01\2011

29 Teachers Remarks 30 Bibliography

Print n Prime Nos.

#include<iostream.h> #include<conio.h> void main() { clrscr(); int n=0,i,l,j,k=2,a=0; cout<<"Enter Limit"<<endl; cin>>l; while(n<l) { j=2; a=0;

| ISHAN POPLI


while(j<=k/2) { if(k%j==0) a=a+1; j++; } if(a==0) { cout<<endl<<k<<endl; } else l++; n++; k++; } getch(); }

RESULTS

Enter Limit

10

THE N PRIME NOS ARE

2

3

5

7

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11

13

17

19

23

29

No. of repetitions of a digit

#include<iostream.h> #include<conio.h> #include<string.h> void main() { clrscr(); int i,j,c=1,l; char a[100]; cout<<"Enter Array"<<endl; cin.getline(a,100); l=strlen(a); for(i=0;i<l;i++)

| ISHAN POPLI


{ c=1; for(j=i+1;j<l;j++) { if(a[i]==a[j]) { c=c+1; a[j]=' '; } } if(a[i]!=' ') cout<<"Element"<<a[i]<<"is present"<<c<<"times"<<endl; } getch(); }

RESULTS

Enter Array

9227393662

Element9is present2times




Element6is present2times | ISHAN POPLI


Array

#include<iostream.h> #include<conio.h> void main() { clrscr(); int i,n,g,j,a[100],b[100][100]; cout<<"Enter Limit"<<endl; cin>>n; cout<<"Enter "<<endl; for(g=0;g<n;g++) cin>>a[g]; for(i=0;i<n;i++) {

| ISHAN POPLI


for(j=n-1;j>=0;j--) { b[i][j]=a[j]; } } for(i=0;i<n;i++) { for(j=0;j<n;j++) { if(i>j) b[i][j]=0; } } for(i=0;i<n;i++) { cout<<endl; for(j=0;j<n;j++) { cout<<b[i][j]<<" "; } } getch(); }

RESULTS

Enter Limit

5

Enter

9

| ISHAN POPLI


8

7

6

5

9 8 7 6 5

0 8 7 6 5

0 0 7 6 5

0 0 0 6 5

0 0 0 0 5

Calculator

#include<iostream.h> #include<conio.h> void main() { int a,b,s,op; clrscr(); cout<<"\t\t\t\tCALCULATOR\n\t\t\tAll Rights Reserved\a\n"; cout<<"\t\tIllegal Copying is punishable\a\nEnter Number A\a :"; cin>>a; cout<<"\nEnter Number B\a :"; cin>>b; cout<<endl<<"\t\t1.Addition\n\t\t2.Subtraction\n\t\t"; cout<<"3.Division(Whole Numbers only)\n\t\t4.Multiplication\n\t\t";

| ISHAN POPLI


cout<<"5.Square of A\n\t\t6.Square of B\n\t\t"; cout<<"7.'A'square - 'B'square\n\t\t8.'A'square + 'B'square\n\t\t"; cout<<"9.'A'square * 'B'square\n\t\t10.'A'square / 'B'square(whole numbers only"; cout<<"\n\t\t11.'A'cube\n\t\t12.'B'cube"; cout<<endl<<" Enter Choice\a :"; cin>>op; switch(op) { case 1:s=a+b; cout<<"Sum = \a"<<s; break; case 2:s=a-b; cout<<"Difference =\a "<<s; break; case 3:s=a/b; cout<<"Quotient =\a "<<s; break; case 4:s=a*b; cout<<"Product =\a "<<s; break; case 5:s=a*a; cout<<"Square =\a "<<s; break; case 6:s=b*b; cout<<"Square =\a "<<s; break; case 7:s=(a*a)-(b*b); cout<<"Answer =\a "<<s; break; case 8:s=(a*a)+(b*b); cout<<"Answer =\a "<<s; break;

| ISHAN POPLI


case 9:s=(a*a)*(b*b); cout<<"Answer =\a "<<s; break; case 10:s=(a*a)/(b*b); cout<<"Answer =\a "<<s; break; case 11:s=a*a*a; cout<<"Answer =\a "<<s; break; case 12:s=b*b*b; cout<<"Answer =\a "<<s; break; default:cout<<"Invalid\a Choice\a"; } getch(); }

RESULTS

Enter Number A :23

Enter Number B :23

1.Addition

2.Subtraction

3.Division(Whole Numbers only)

4.Multiplication

| ISHAN POPLI


5.Square of A

6.Square of B

7.'A'square - 'B'square

8.'A'square + 'B'square

9.'A'square * 'B'square

10.'A'square / 'B'square(whole numbers only

11.'A'cube

12.'B'cube

Enter Choice :4

Product = 529

Prime Or Not

#include<iostream.h> #include<conio.h> void main() { clrscr(); int p=0,i,n; cout<<"Enter the no :"<<endl; cin>>n; for(i=2;i<=(n/2);i++) { if(n%i==0) p=1; }

| ISHAN POPLI


if(p==0) cout<<"Prime"; else if (p==1) cout<<"Not Prime"; getch(); }

RESULTS

Enter the no :

3

Prime

No. of Digits

#include<iostream.h> #include<conio.h> void main() { clrscr(); int s,n,i,d; cout<<"Enter a number"<<endl; cin>>n; for(i=0;n>0;i++) { n=n/10; }

| ISHAN POPLI


cout<<i; getch(); }

RESULTS

Enter a number

223456

5

Greatest of 3 Nos.

#include<iostream.h> #include<conio.h> void main() { clrscr(); int a,b,c,bi; cout<<"Enter 3 nos"<<endl; cin>>a>>b>>c; bi=a>b?(a>c?a:c):((b>c)?b:c); cout<<"Greatest = "<<bi; getch(); }

| ISHAN POPLI


RESULTS

Enter 3 nos

25

45

73

Greatest = 73

No Days, Weeks in a Year

#include<iostream.h> #include<conio.h> void main() { clrscr(); int d,y,w,da; cout<<"Enter the no of Days"<<endl; cin>>d; y=d/365; w=((y%365)/7); da=((y%365)%7); cout<<y<<"Yrs "<<w<<"Weeks"<<da<<"Days";

| ISHAN POPLI


getch(); }

RESULTS

Enter the no of Days

34653874

-40Yrs -5Weeks-5Days

Greatest of 3 Nos. using Conditional

#include<iostream.h> #include<conio.h> void main() { clrscr(); int a,b,by; cout<<"Enter 2 nos"<<endl; cin>>a>>b; by=(a>b)?a:b; cout<<"Greatest = "<<by; getch(); }

| ISHAN POPLI


RESULTS

Enter 2 nos

14

23

Greatest = 23

Insert & Delete from Array

#include<iostream.h> #include<conio.h> void main() { clrscr(); int n,x,c=0,e,ch,i,a[50],j; cout<<"Enter Array lim"<<endl; cin>>n; cout<<"Enter array"<<endl; for(i=0;i<n;i++) cin>>a[i]; cout<<"Enter Choice 1:Deletion 2Insertion"<<endl; cin>>ch;

| ISHAN POPLI


switch(ch) { case 1: cout<<"Enter to be deleted"<<endl; cin>>x; for(i=0;i<n;i++) { if(a[i]==x) {c++; for(j=i;j<n;j++) { a[j]=a[j+1]; } } } if(c==0) cout<<"ENP"<<endl; for(i=0;i<n-c;i++) cout<<a[i]<<endl; break;

case 2: cout<<"Enter What & Where to be inserted"<<endl; cin>>e>>x; for(i=n;i>=x;i--) a[i]=a[i-1]; a[x-1]=e; for(i=0;i<=n;i++) cout<<a[i]<<endl; break; }

| ISHAN POPLI


getch(); }

RESULTS

Enter Array lim

5

Enter array

5

4

3

2

1

Enter Choice 1:Deletion 2Insertion

2

Enter What & Where to be inserted

6

3

5

4

| ISHAN POPLI


6

3

2

1

No. of Vowels, Characers in a String

#include<iostream.h> #include<conio.h> #include<ctype.h> #include<stdio.h> #include<string.h> void main() { int i,j=0,l=0,u,v=0,s=0; char st[50]; clrscr(); cout<<"Enter the string"<<endl; gets(st);

| ISHAN POPLI


l=strlen(st); for(j=0;j<l;j++) { if((st[j]== ' ')) s=s+1; if((st[j]=='a')||(st[j]=='e')||(st[j]=='o')||(st[j]=='i')||(st[j]=='u')||(st[j]=='A')||(st[j]=='E')||(st[j]=='O')||(st[j]=='I')||(st[j]=='U')) v=v+1; } cout<<"No of Words = "<<s+1<<endl<<"No Space = "<<s<<endl<<"No of Vowels ="<<v<<endl<<"No of Characters ="<<l-s; getch(); }

RESULTS

Enter the string

hello mam...! this project is made by ishan popli.

No of Words = 9

No Space = 8

No of Vowels =13

No of Characters =42

| ISHAN POPLI


Search ( Linear & Binary )

#include<iostream.h> #include<conio.h> void main() { clrscr(); int ch,l,u,mid,c=0,i,n,e,a[50]; cout<<"Enter the limit"<<endl; cin>>n; cout<<endl<<"Enter the elemnts"<<endl; for(i=0;i<n;i++) { cout<<endl; cin>>a[i];

| ISHAN POPLI


} cout<<"Enter the element to be searched for"<<endl; cin>>e; cout<<"Enter Your Choice 1:Linear 2:Binary Search"; cin>>ch; switch(ch) { case 1 : for(i=0;i<n;i++) { if(a[i]==e) cout<<endl<<"Element is at "<<i+1<<" Position"; c=c+1; } if (c==0) cout<<"Element Not Present"; break; case 2: c=0; l=0; u=n-1; while(l<u) { mid=(l+u)/2; if (a[mid]==e) { cout<<"Element is at "<<mid+1<<" Position "<<endl; c++; break; } if(e<a[mid]) u=mid-1;

| ISHAN POPLI


if (e>a[mid]) l=mid+1; } if (c==0) cout<<"Element not Present"<<endl; break; default : cout<<"Wrong Choice"<<endl; break; } getch(); }

RESULTS

Enter the limit

5

Enter the elemnts

4

7

| ISHAN POPLI


4

3

2

Enter the element to be searched for

2

Enter Your Choice 1:Linear 2:Binary Search1

Element is at 5 Position

Fibonacci Series

#include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

long int i,x=0,y=1,s;

| ISHAN POPLI


cout<<x<<endl<<y<<endl;

for(i=3;i<=10;i++)

{

s=x+y;

cout<<s<<endl;

x=y;

y=s;

}

getch();

}

RESULTS

0

1

1

2

3

5

8 | ISHAN POPLI


13

21

34

Sqrt & Power

#include<iostream.h> #include<math.h> #include<conio.h> void main() { clrscr(); int n,r; cout<<"Enter no"<<endl; cin>>n; if((n>0)&&(n%2==1)) r = sqrt (n); else if((n<0))

| ISHAN POPLI


r=pow(n,5); cout<<"Result ="<<r; getch(); }

RESULTS

Enter no

625

Result =25

Quotient & Remainder

#include<iostream.h> #include<conio.h> void main() { clrscr(); int q,r,a,b; cout<<"Enter 2 nos :"<<endl; cin>>a>>b; q=a/b; r=a%b; cout<<"Quotient = "<<q<<endl<<"Remainder = "<<r;

| ISHAN POPLI


getch(); }

RESULTS

Enter 2 nos :

1000

5

Quotient = 200

Remainder = 0

Multiplication Table

#include<iostream.h> #include<conio.h> void main() { clrscr(); int i,n,a; cout<<"Enter the no upto which u want table"<<endl; cin>>a; for(i=1;i<=10;i++) cout<<i<<"x"<<a<<"="<<a*i<<endl;

| ISHAN POPLI


getch(); }

RESULTS

Enter the no upto which u want table

12

1x12=12

2x12=24

3x12=36

4x12=48

5x12=60

6x12=72

7x12=84

8x12=96

9x12=108

10x12=120

Check for Odd or Even

#include<iostream.h> #include<conio.h> void main() {

| ISHAN POPLI


clrscr(); int e; cout<<"Enter a no :"<<endl; cin>>e; if (e==0) cout<<"The no is neither even or odd "<<endl; if (e%2==0) cout<<"The no is even"<<endl; else cout<<"The no is odd "<<endl; getch(); }

RESULTS

Enter a no :

34

The no is even

Celcius To Farenheit

#include<iostream.h> #include<conio.h> void main() { clrscr(); float k,c; cout<<"Enter the temp in Celsius :"; cin>>c; k=(9/5)*c+32;

| ISHAN POPLI


cout<<"Temperature in Farenheit = "<<k; getch(); }

RESULTS

Enter the temp in Celsius :23

Temperature in Farenheit = 55

Triangle Area

#include<iostream.h> #include<conio.h> #include<math.h> void main() { clrscr(); float a,b,c,p,ar; cout<<"Enter 3 sides :"<<endl; cin>>a>>b>>c;

| ISHAN POPLI


p=a+b+c; ar=sqrt(p*(p-a)*(p-b)*(p-c)); cout<<"Area :"<<ar; getch(); }

RESULTS

Enter 3 sides :

12

23

34

Area :2516.372314

Palindrome Or Not

#include<iostream.h>#include<conio.h>void main(){int n, num, digit, rev=0;cout<<”\n input the no.(max.32767):”;cin>>num;n=num;do

| ISHAN POPLI


{digit=num%10;rev=(rev*10)+digit; num=num/10;}while(num!=0);cout<<”the reverse of the number is:”<<rev<<”\n”;if(n==rev)cout<<”the no is palindrome”;elsecout<<”\n the no. is not a palindrome”;getch();}RESULTS

input the no.(max.32767):12321

the reverse of the number is:12321

the no is palindrome

Multiplication of Matrix

#include<iostream.h> #include<conio.h> class matrix { int x[10][10]; int m,n; public: void input();

| ISHAN POPLI


void output(); void multiply(matrix,matrix); }; void matrix::input() { cout<<"Enter Row"<<endl; cin>>m; cout<<"Enter Column"<<endl; cin>>n; cout<<"Matrix"<<endl; for(int i=0;i<m;i++) { for(int j=0;j<n;j++) { cin>>x[i][j]; } } } void matrix :: output() { for(int i=0;i<m;i++) { cout<<endl; for(int j=0;j<n;j++) { cout<<x[i][j]<<" "; } } }

void matrix :: multiply(matrix m1, matrix m2) {

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for(int i=0;i<m1.m;i++) { for(int j=0;j<m2.n;j++) { x[i][j]=0; for(int k=0;k<m1.n;k++) { x[i][j]=x[i][j] +( m1.x[i][k] * m2.x[k][j]); m=m1.m; n=m2.n; } } } } void main() { clrscr(); matrix m1,m2,m3; m1.input(); m2.input(); m3.multiply(m1,m2); m3.output(); getch(); }

RESULTS

Enter Row2Enter Column2Matrix122334

| ISHAN POPLI


45Enter Row2Enter Column2Matrix123445561179 16962433 3676

Largest Element Of An Array


#include<conio.h>

#include<stdio.h>

void main()

{clrscr(); | ISHAN POPLI


int array[10]={1,0,6,4,-5,3,-1,3,9,8};

cout<<"\n The contents of the array are : "<<endl;

cout<<"\n Elements :"<<"\t\t Value:"<<endl;

for(int count_1=0;count_1<10;count_1++)

{

cout<<"\t"<<" array ["<<count_1<<"]"<<"\t\t"<<array[count_1]

<<endl;

}

int largest_number=array[0];

for(int count_2=0;count_2<10;count_2++)

{

if(array[count_2]>largest_number)

largest_number=array[count_2];

}cout<<"\n The largest number of the array is = "<<largest_number<<endl;

getch();

}

RESULTS

The contents of the array are :

Elements : Value: | ISHAN POPLI


array [0] 1

array [1] 0

array [2] 6

array [3] 4

array [4] -5

array [5] 3

array [6] -1

array [7] 3

array [8] 9

array [9] 8

The largest number of the array is = 9

Armstrong Number

# include <iostream.h>

# include <conio.h>

# include <math.h>

void main ()

{ clrscr();

| ISHAN POPLI


int a,b=0,sum=0;

long int n;

cout<<"ENter the NO. : ";

cin>>n;

for(;n>0;)

//counts the digits

{ a=n%10;

n=n/10;

b++;

}

for(;n>0;)

{ a=n%10;

sum=sum+pow(a,b);

n=n/10;

}

if(sum==n)

{ cout<<"IT IS AN ARMSTRONG NUMBER...";

getch();

} | ISHAN POPLI


else

{ cout<<"IT IS NOT AN ARMSTRONG NUMBER...";

getch();

}

}

RESULTS

ENter the NO. : 23

IT IS AN ARMSTRONG NUMBER...

Leap Year


#include<conio.h>

int year;

void main()

{

cout << "Please enter the current year: ";

| ISHAN POPLI


cin >> year;

switch (year % 4)

{

case 0:

if (year % 100 == 0)

{

cout << "\"Century\" years aren't leap years.";

if (year % 400 == 0)

{

cout << "..unless divisible by 400.\n";

cout << year << "'s a leap year!" << endl;

}

else

cout << " " << year << " isn't a leap year." << endl;

}

else

cout << year << " is a leap year!" << endl;

break;

case 3: | ISHAN POPLI


cout << "Next year is a leap year. "; // Fall through...

default:

cout << year << " isn't a leap year." << endl;

break;

}

getch();

}

RESULTS

Please enter the current year: 2011

Next year is a leap year. 2011 isn't a leap year.

Sum Of First N Natural Numbers


#include<stdio.h>

#include<conio.h>

void main()

{

int s=0,i=1,n;

clrscr();

printf("Enter a value ");

| ISHAN POPLI


scanf("%d",&n);

while(i <= n)

{

s=s+i;

i=i+1;

}

printf("Sum of first %d natural numbers is %d",n,s);

getch();

}

RESULTS

Enter a value 23

Sum of first 23 natural numbers is 276

Bonus, Commission And Gross Salary Of A Salesman

#include<stdio.h>

#include<conio.h>

#define BASE_SALARY 1500.00

#define BONUS_RATE 200.00

#define COMMISSION 0.02

void main() | ISHAN POPLI


{

int quantity;

float gross_salary,price;

float bonus,commission;

clrscr();

printf("Input number sold and price\n");

scanf("%d %f",&quantity,&price);

bonus = BONUS_RATE * quantity;

commission = COMMISSION * quantity * price;

gross_salary = BASE_SALARY + bonus + commission;

printf("\n");

printf("Bonus = %6.2f\n",bonus);

printf("Commission = %6.2f\n",commission);

printf("Gross-slary = %6.2f\n",gross_salary);

| ISHAN POPLI


getch();

}

RESULTS

Input number sold and price

2559

2345

Bonus = 511800.00

Commission = 120017.10

Gross-slary = 633317.12

Week Day


#include<conio.h>void main(){int iDay;cout<<"Enter the day of the week:";cin>>iDay;switch(iDay){case 1:{cout<<"The day is Sunday"<<endl; //The value in variable iDay is one

| ISHAN POPLI


break;}case 2:{cout<<"The day is Monday"<<endl; //The value in variable iDay is Twobreak;}case 3:{cout<<"The day is Tuesday"<<endl; //The value in variable iDay is threebreak;}case 4:{cout<<"The day is Wednesday"<<endl; //The value in variable iDay is fourbreak;}case 5:{cout<<"The day is Thrusday"<<endl; //The value in variable iDay is fivebreak;}case 6:{cout<<"The day is Friday"<<endl; //The value in variable iDay is sixbreak;}case 7:{cout<<"The day is Saturday"<<endl; //The value in variable iDay is sevenbreak;}

| ISHAN POPLI


default:{cout<<"You have entered the wrong day"<<endl;break;}}

Getch(); }

RESULTS

Enter the day of the week:5

The day is Thrusday

Telephone directory(using structure) #include<iostream.h>#include<conio.h>

struct name{char first[50],mid[50],last[50];};

struct phone{char area[50],exch[50];long no;};

class rec{name n;phone p;

| ISHAN POPLI


public :void reci();void disp();};

void rec::reci(){clrscr();cout<<"Enter First Name :";cin>>n.first;cout<<endl;cout<<"Enter Mid Name :";cin>>n.mid;cout<<endl;cout<<"Enter Last Name :";cin>>n.last;cout<<endl;cout<<"Enter Area :";cin>>p.area;cout<<endl;cout<<"Enter Exchange :";cin>>p.exch;cout<<endl;cout<<"Enter No :";cin>>p.no;}

void rec::disp(){clrscr();cout<<endl;cout<<endl;

| ISHAN POPLI


cout<<"First Name :";cout<<n.first;cout<<endl;cout<<endl;cout<<"Mid Name :";cout<<n.mid;cout<<endl;cout<<endl;cout<<"Last Name :";cout<<n.last;cout<<endl;cout<<endl;cout<<"Area :";cout<<p.area;cout<<endl;cout<<endl;cout<<"Exchange :";cout<<p.exch;cout<<endl;cout<<endl;cout<<"No :";cout<<p.no;cout<<endl;cout<<endl;getch();}void main(){rec t;t.reci();t.disp();getch();

| ISHAN POPLI


}

RESULTS

First Name :PRIYANKA

Mid Name :P

Last Name :RAI

Area :C31,SILICON

Exchange :VALLEY

No :7

//prg to conv decimal to binary & binary to decimal//Downloaded From www.c4cpp.co.nr. (C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<math.h>void main(){clrscr();int a,g,h,s=0,i=0,d,b,ch;cout<<endl<<"Enter the choice - "<<endl<<"1:Binary to Decimal"<<endl<<"2:Decimal to Binary"<<endl;cin>>ch;switch(ch){

| ISHAN POPLI


case 1:

cout<<"Enter the Binary Digit"<<endl;cin>>b;while(b>0){a=b%10;s=s+a*(pow(2,i));i=i+1;b=b/10;}cout<<"Answer ="<<s<<endl;break;

case 2:cout<<"Enter the Decimal"<<endl;cin>>d;while(d>0){a=d%2;a=a*pow(10,i);s=s+a;i=i+1;d=d/2;}cout<<"Answer ="<<s<<endl;break;

default:cout<<"Wrong choice"<<endl;break;}

| ISHAN POPLI


getch();

}

//prg to display diamond and pascals triangle//Downloaded From www.c4cpp.co.nr. (C)2009.All rights reserved.#include<iostream.h>#include<conio.h>void main(){clrscr();int x,i,f,r,b,g,c,h,v=1,q,j,n,p,k=1;int ch;cout<<"Enter choice 1:STARS"<<endl;cout<<" 2:NUMBERS"<<endl;cin>>ch;switch(ch){//WITH STARcase 1:v=2;char a2[100][100];cout<<"Enter Limit : "<<endl;cin>>n;p=n-1;//INPUTTINGfor(i=0;i<=(2*n)-2;i++) { for(j=0;j<=(2*n)-2;j++) {

a2[i][j]= ' '; }

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}//STARTINGfor(i=0;i<=(2*n)-2;i++) { for(j=0;j<=(2*n)-2;j++) {

if(((i+j)==p)&&(i<n)) { for(c=0;c<k;c++) { a2[i][j]='*'; j=j+v; } k++; j=(2*n)-2; r=c-1; } if(((i+j)==(p+2))&&(i>=n)) { for(h=r;h>0;h--) { a2[i][j]='*'; j=j+v; } p=p+2; r--; j=(2*n)-2; } } }

for(i=0;i<=(2*n)-2;i++){

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cout<<endl;for(j=0;j<=(2*n)-2;j++){cout<<a2[i][j];}}break;

//CASE TWO WITH NUMBERScase 2:int a[100][100];cout<<"Enter Limit : "<<endl;cin>>n;p=n-1;for(i=0;i<=(2*n)-2;i++){for(j=0;j<=(2*n)-2;j++){a[i][j]=0;}}

for(i=0;i<=(2*n)-2;i++){for(j=0;j<=(2*n)-2;j++){if(((i+j)==p)&&(i<n)){b=1;for(c=0;c<k;c++){

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if(j<=(n-1)){a[i][j]=b;j=j+v;b++;r=b-2;}if(j>(n-1)){a[i][j]=r;j=j+v;r--;}}k=k+2;j=(2*n)-2;r=c-2;}if(((i+j)==p+2)&&(i>=n)){f=1;for(h=r;h>0;h--){if(j<=(n-1)){a[i][j]=f;j=j+v;f++;x=f-2;}if(j>(n-1)){

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a[i][j]=x;j=j+v;x--;}}r=r-2;p=p+2;j=(2*n)-2;}}}for(i=0;i<=(2*n)-2;i++){cout<<endl;for(j=0;j<=(2*n)-2;j++){if(a[i][j]!=0)cout<<a[i][j];elsecout<<" ";}}break;

default:cout<<"Wrong choice"<<endl;break;

}getch();

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}#include<fstream.h>#include<iostream.h>#include<conio.h>#include<ctype.h>#include<process.h>#include<iomanip.h>#include<stdio.h>#include<string.h>#include<stdlib.h>void welcome_screen();void welcome_screen() {

clrscr();gotoxy(20,10);cputs("**************** W E L C O M E *********************** ");gotoxy(25,12);cputs("*** C A M P I O N S C H O O L *** " );gotoxy(20,14);textcolor(WHITE);cputs(" T E L E P H O N E M A N A G E M E N T S O F T W A R E ");gotoxy(38,16);textcolor(WHITE);cputs(" D O N E B Y : ");gotoxy(50,18);cputs(" Navi Arora ");gotoxy(50,20);cputs("");

textcolor(WHITE+BLINK);gotoxy(40,30);cputs(" *** PRESS ANY KEY TO CONTINUE***");

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getch();return;

}class directory { public:

int record; long pn1; char pn2[10]; int age; char address1[50]; char address2[50]; char occupation[20]; char name[20]; char emailadd[25]; char internetadd[25]; void modification(); void addition(); void deleate(); void menu(); void search(); void view1(); void init(); void display(); void view(); char check(char *); int test(); }obj;

void directory::addition() //ADDING INFORMATION { ofstream fout; fout.open("heera",ios::out|ios::app);

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init(); fout.write((char*)&obj,sizeof(obj)); fout.close(); }int directory::test() //FIND NO. OF RECORDS { ifstream fin; fin.open("heera"); fin.seekg(0,ios::end); int n; n=fin.tellg()/sizeof(obj); cout<<" \n NUMBER OF RECORDS = "<<n ; return n ; }void directory::search() //SEARCHING FOR A PARTICULAR NUMBER { ifstream fin; fin.open("heera"); if(fin.fail())

{ cout<<" \n FILE NOT FOUND "; getch(); return;}

clrscr(); textcolor(BLACK+BLINK); gotoxy(30,1); cprintf(" [SEARCHING] "); cout<<" \n ENTER PHONE NUMBER TO BE SEARCHED : "; long pn; cin>>pn; int n;

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n=test(); for(int i=0;i<n;i++)

{ fin.read((char*)&obj,sizeof(obj)); if(pn==pn1) { view1(); return; }}

if(fin.eof()){ cout<<" \n RECORD NOT FOUND ";}

}void directory::init() // ENTERING THE DETAILS {

clrscr(); char ch; textcolor(BLACK+BLINK); gotoxy(30,1); cprintf(" [ADDITION] "); textcolor(BLACK); cout<<" \n ENTER HOUSE PHONE NUMBER : "; cin>>pn1; cout<<" \n ENTER OFFICE PHONE NUMBER : "; cin>>pn2; // ch=cin.get(); cin.get(ch); cout<<" \n ENTER NAME : "; cin.getline(name,20,'\n');

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cout<<" \n ENTER THE OCCUPATION : "; cin.getline(occupation,20,'\n'); cout<<" \n ENTER HOUSE ADDRESS : "; cin.getline(address1,50,'\n'); cout<<" \n ENTER OFFICE ADDRESS : "; cin.getline(address2,50,'\n'); cout<<" \n ENTER EMAIL ADDRESS : "; cin.getline(emailadd,25,'\n'); cout<<" \n ENTER INTERNET ADDRESS : "; cin.getline(internetadd,25,'\n'); }

void directory::view1() //TO DISPLAY ALL THE RECORDS { cout<<"\n"; cout<<" PHONE NUMBER1 : "<<obj.pn1<<"\n"; cout<<" PHONE NUMBER2 : "<<obj.pn2<<"\n"; cout<<" NAME : "<<obj.name<<"\n"; cout<<" HOUSE ADDRESS : "<<obj.address1<<"\n"; cout<<" OCCUPATION : "<<obj.occupation<<"\n"; cout<<" OFFICE ADDRESS : "<<obj.address2<<"\n"; cout<<" EMAIL ADDRESS : "<<obj.emailadd<<"\n"; cout<<" INTERNET ADDRESS : "<<obj.internetadd<<"\n"; getch(); }void directory::modification() //TO MODIFY ANY DATA IN THE RECORD IF NECESSARY { clrscr(); textcolor(BLACK+BLINK); gotoxy(30,1); cprintf(" [ MODIFICATION ] ");

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textcolor(BLACK); long pn; int n,i; ifstream fin; ofstream fout; fin.open("heera"); if(fin.fail()) {

cout<<"\n FILE NOT FOUND !"; fout.close(); exit(-1);

} fout.open("new"); n=test(); if(n==0) {

cout<<"\n FILE IS EMPTY ! ";getch();return;

} while(fin.good()) {

fin.read((char*)&obj,sizeof(obj));fout.write((char*)&obj,sizeof(obj));

} fin.close(); fout.close(); fout.open("heera",ios::trunc); fin.open("new"); if(fin.fail()) { cout<<"\n FILE NOT FOUND !";

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exit(-1); } char ch; cout<<"\n ENTER PHONE NUMBER :"; cin>>pn; ch=cin.get();// cin.get(ch); for(i=0;i<n;i++)

{ fin.read((char*)&obj,sizeof(obj)); char d; if(pn==pn1) {

view1();d=check("HOUSE PHONE NUMBER ");if((d=='y') || (d=='Y')) { cout<<"\n ENTER NEW PHONE NUMBER :"; cin>>pn1; ch=cin.get(); // cin.get(ch); }if(check("OFFICE PHONE NUMBER ")=='Y') { cout<<"\n ENTER NEW PHONE NUMBER :"; cin>>pn2; ch=cin.get(); // cin.get(ch); }if(check("NAME")=='y') { cout<<"\n ENTER NEW NAME : ";

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cin.getline(name,20,'\n'); }if(check("HOME ADDRESS")=='y') { cout<<"\n ENTER NEW ADDRESS :"; cin.getline(address1,50,'\n'); }if(check("OFFICE ADDRESS")=='y') { cout<<"\n ENTER NEW ADDRESS :"; cin.getline(address2,50,'\n'); }if(check("EMAIL ADDRESS:")=='y') { cout<<"\n ENTER NEW MAIL ADDRESS :"; cin.getline(emailadd,25,'\n'); }if(check("INTERNET ADDRESS")=='y') { cout<<"\n ENTER NEW INTERNET ADDRESS :"; cin.getline(internetadd,25,'\n'); }

} fout.write((char*)&obj,sizeof(obj));}

fout.close(); fin.close(); }char directory::check(char *s) { cout<<"\n MODIFY \t "<<s<<"\t"<<"Y/N"; char ch;

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ch =getch(); //cin.get(ch); if((ch=='y')||(ch=='Y'))

return 'y'; else

return 'n'; }void directory::deleate() { clrscr(); window(1,1,80,25); textcolor(BLACK+BLINK); gotoxy(30,1); cprintf("[DELETION]"); long pn; int n,i; ifstream fin; ofstream fout; fin.open("heera"); if(fin.fail())

{ cout<<"\n FILE NOT FOUND ! "; getch(); return;}

fout.open("new"); n=test(); if(n==0)

{ cout<<"\n FILE IS EMPTY ! "; getch(); return;

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} for(i=0;i<n;i++)

{ fin.read((char*)&obj,sizeof(obj)); fout.write((char*)&obj,sizeof(obj));}

fin.close(); fout.close(); fout.open("meera",ios::trunc); fin.open("new"); if(fin.fail())

{ cout<<"\n FILE NOT FOUND ! "; getch(); return;}

cout<<"\n ENTER PHONE NUMBER :"; cin>>pn; for(i=0;i<n;i++) {

fin.read((char*)&obj,sizeof(obj)); if(pn!=pn1) fout.write((char*)&obj,sizeof(obj));

} fout.close(); fin.close();

} void directory::view() { ifstream fin; int n,j;

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fin.open("heera"); if(fin.fail()||fin.bad()) {

cout<<"\n FILE NOT FOUND ! "; getch(); return;

} clrscr(); int i=0; n=test(); for(j=0;j<n;j++) {

cout<<"\n RECORD "<<i+1<<"\n"; fin.read((char*)&obj,sizeof(obj)); cout<<"\n PHONE NUMBER1 :"<<obj.pn1<<"\n"; cout<<"\n PHONE NUMBER2 :"<<obj.pn2<<"\n"; cout<<"\n NAME :"<<obj.name<<"\n"; cout<<"\n HOUSE ADDRESS :"<<obj.address1<<"\n"; cout<<"\n OCCUPATION :"<<obj.occupation<<"\n"; cout<<"\n OFFICE ADDRESS :"<<obj.address2<<"\n"; cout<<"\n INTERNET ADDRESS :"<<obj.internetadd<<"\n"; cout<<"\n EMAIL ADDRESS : "<<obj.emailadd<<"\n"; i+=1;

} fin.close(); getch();

}

void directory::menu() { char ch;

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clrscr(); textbackground(WHITE); textcolor(BLACK); gotoxy(30,8); cprintf(" A:ADDITION "); gotoxy(30,9); cprintf(" D: DELETION \n \r "); gotoxy(30,10); cprintf(" M:MODIFICATION \n \r "); gotoxy(30,11); cprintf(" V:VIEW \n \r "); gotoxy(30,12); cprintf(" S:SEARCH \n \r "); gotoxy(30,13); cprintf(" E:EXIT \n \r "); ch=getch();

switch(ch) { case 'a': case 'A':

addition();break;

case 'd' : case 'D' :

deleate();break;

case 'm': case 'M':

modification();break;

case 'v':

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case 'V':view();break;

case 's': case 'S':

search();break;

case 'e': case 'E':

system("cls");exit(0);

}}int main() { welcome_screen(); for(;;) obj.menu(); return 0; }

/*4 3 2 10 3 2 10 0 2 10 0 0 1*/

//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.


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#include<conio.h>void main(){clrscr();int i,n,g,j,a[100],b[100][100];cout<<"Enter Limit"<<endl;cin>>n;cout<<"Enter "<<endl;for(g=0;g<n;g++)cin>>a[g];

for(i=0;i<n;i++){for(j=n-1;j>=0;j--){b[i][j]=a[j];}}for(i=0;i<n;i++){for(j=0;j<n;j++){if(i>j)b[i][j]=0;}}for(i=0;i<n;i++){cout<<endl;for(j=0;j<n;j++){cout<<b[i][j]<<" ";

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}}

getch();}//program for creating bill in a supermarket.#include<iostream.h>#include<conio.h>#include<fstream.h>#include<string.h>#include<stdio.h>#include<stdlib.h>#include<iomanip.h>

//global variable declarationint k=7,r=0,flag=0;

struct date{int mm,dd,yy;};

ofstream fout;ifstream fin;

class item{int itemno; char name[25]; date d; public: void add() {cout<<"\n\n\tItem No: "; cin>>itemno; cout<<"\n\n\tName of the item: ";

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gets(name); cout<<"\n\n\tManufacturing Date(dd-mm-yy): "; cin>>d.mm>>d.dd>>d.yy; } void show() {cout<<"\n\tItem No: "; cout<<itemno; cout<<"\n\n\tName of the item: "; cout<<name; cout<<"\n\n\tDate : "; cout<<d.mm<<"-"<<d.dd<<"-"<<d.yy; } void report() {gotoxy(3,k); cout<<itemno; gotoxy(13,k); puts(name); } int retno() {return(itemno);}};

class amount: public item{float price,qty,tax,gross,dis,netamt; public: void add(); void show(); void report(); void calculate(); void pay(); float retnetamt() {return(netamt);}

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}amt;

void amount::add(){item::add(); cout<<"\n\n\tPrice: "; cin>>price; cout<<"\n\n\tQuantity: "; cin>>qty; cout<<"\n\n\tTax percent: "; cin>>tax; cout<<"\n\n\tDiscount percent: "; cin>>dis; calculate(); fout.write((char *)&amt,sizeof(amt)); fout.close();}void amount::calculate(){gross=price+(price*(tax/100)); netamt=qty*(gross-(gross*(dis/100)));}void amount::show(){fin.open("itemstore.dat",ios::binary); fin.read((char*)&amt,sizeof(amt)); item::show(); cout<<"\n\n\tNet amount: "; cout<<netamt; fin.close();}

void amount::report(){item::report(); gotoxy(23,k);

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cout<<price; gotoxy(33,k); cout<<qty; gotoxy(44,k); cout<<tax; gotoxy(52,k); cout<<dis; gotoxy(64,k); cout<<netamt; k=k+1; if(k==50) {gotoxy(25,50); cout<<"PRESS ANY KEY TO CONTINUE..."; getch(); k=7; clrscr(); gotoxy(30,3); cout<<" ITEM DETAILS "; gotoxy(3,5); cout<<"NUMBER"; gotoxy(13,5); cout<<"NAME"; gotoxy(23,5); cout<<"PRICE"; gotoxy(33,5); cout<<"QUANTITY"; gotoxy(44,5); cout<<"TAX"; gotoxy(52,5); cout<<"DEDUCTION"; gotoxy(64,5); cout<<"NET AMOUNT";

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}}

void amount::pay(){show(); cout<<"\n\n\n\t\t*********************************************"; cout<<"\n\t\t DETAILS "; cout<<"\n\t\t*********************************************"; cout<<"\n\n\t\tPRICE :"<<price; cout<<"\n\n\t\tQUANTITY :"<<qty; cout<<"\n\t\tTAX PERCENTAGE :"<<tax; cout<<"\n\t\tDISCOUNT PERCENTAGE :"<<dis; cout<<"\n\n\n\t\tNET AMOUNT :Rs."<<netamt; cout<<"\n\t\t*********************************************";}

void main(){cout.setf(ios::fixed); cout.setf(ios::showpoint); cout<<setprecision(2); menu: clrscr(); gotoxy(25,2); cout<<"Super Market Billing "; gotoxy(25,3); cout<<"===========================\n\n"; cout<<"\n\t\t1.Bill Report\n\n"; cout<<"\t\t2.Add/Remove/Edit Item\n\n"; cout<<"\t\t3.Show Item Details\n\n"; cout<<"\t\t4.Exit\n\n"; cout<<"\t\tPlease Enter Required Option: "; int ch,ff;

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float gtotal; cin>>ch; switch(ch) {case 1:ss:

clrscr(); gotoxy(25,2); cout<<"Bill Details"; gotoxy(25,3); cout<<"================\n\n"; cout<<"\n\t\t1.All Items\n\n"; cout<<"\t\t2.Back to Main menu\n\n"; cout<<"\t\tPlease Enter Required Option: "; int cho; cin>>cho; if(cho==1) {clrscr(); gotoxy(30,3); cout<<" BILL DETAILS "; gotoxy(3,5); cout<<"ITEM NO"; gotoxy(13,5); cout<<"NAME"; gotoxy(23,5); cout<<"PRICE"; gotoxy(33,5); cout<<"QUANTITY"; gotoxy(44,5); cout<<"TAX %"; gotoxy(52,5); cout<<"DISCOUNT %"; gotoxy(64,5); cout<<"NET AMOUNT";

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fin.open("itemstore.dat",ios::binary); if(!fin) {cout<<"\n\nFile Not Found..."; goto menu;} fin.seekg(0); gtotal=0; while(!fin.eof()) {fin.read((char*)&amt,sizeof(amt)); if(!fin.eof()) {amt.report(); gtotal+=amt.retnetamt(); ff=0;} if(ff!=0) gtotal=0; }gotoxy(17,k); cout<<"\n\n\n\t\t\tGrand Total="<<gtotal; getch(); fin.close(); }if(cho==2){goto menu;}goto ss;

case 2:db:clrscr();gotoxy(25,2);cout<<"Bill Editor";gotoxy(25,3);cout<<"=================\n\n";cout<<"\n\t\t1.Add Item Details\n\n";cout<<"\t\t2.Edit Item Details\n\n";cout<<"\t\t3.Delete Item Details\n\n";cout<<"\t\t4.Back to Main Menu ";

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int apc;cin>>apc;

switch(apc){case 1:fout.open("itemstore.dat",ios::binary|ios::app);

amt.add();cout<<"\n\t\tItem Added Successfully!";getch();goto db;

case 2:int ino;flag=0;cout<<"\n\n\tEnter Item Number to be Edited :";cin>>ino;fin.open("itemstore.dat",ios::binary);fout.open("itemstore.dat",ios::binary|ios::app);if(!fin){cout<<"\n\nFile Not Found..."; goto menu;}fin.seekg(0);r=0;while(!fin.eof()){fin.read((char*)&amt,sizeof(amt)); if(!fin.eof()) {int x=amt.item::retno(); if(x==ino) {flag=1; fout.seekp(r*sizeof(amt)); clrscr(); cout<<"\n\t\tCurrent Details are\n"; amt.show();

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cout<<"\n\n\t\tEnter New Details\n"; amt.add(); cout<<"\n\t\tItem Details editted"; } }r++;}if(flag==0){cout<<"\n\t\tItem No does not exist...Please Retry!"; getch(); goto db;}fin.close();getch();goto db;

case 3:flag=0;cout<<"\n\n\tEnter Item Number to be deleted :";cin>>ino;fin.open("itemstore.dat",ios::binary);if(!fin){cout<<"\n\nFile Not Found..."; goto menu;}fstream tmp("temp.dat",ios::binary|ios::out);fin.seekg(0);while(fin.read((char*)&amt, sizeof(amt))){int x=amt.item::retno(); if(x!=ino) tmp.write((char*)&amt,sizeof(amt)); else {flag=1;}}

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fin.close();tmp.close();fout.open("itemstore.dat",ios::trunc|ios::binary);fout.seekp(0);tmp.open("temp.dat",ios::binary|ios::in);if(!tmp){cout<<"Error in File"; goto db;}while(tmp.read((char*)&amt,sizeof(amt)))fout.write((char*)&amt,sizeof(amt));tmp.close();fout.close();if(flag==1)cout<<"\n\t\tItem Succesfully Deleted";else if (flag==0)cout<<"\n\t\tItem does not Exist! Please Retry";getch();goto db;

case 4:goto menu; default: cout<<"\n\n\t\tWrong Choice!!! Retry";

getch(); goto db;

}case 3:clrscr(); flag=0; int ino; cout<<"\n\n\t\tEnter Item Number :"; cin>>ino; fin.open("itemstore.dat",ios::binary); if(!fin) {cout<<"\n\nFile Not Found...\nProgram Terminated!";

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goto menu; } fin.seekg(0); while(fin.read((char*)&amt,sizeof(amt))) {int x=amt.item::retno();

if(x==ino){amt.pay(); flag=1; break;}

} if(flag==0) cout<<"\n\t\tItem does not exist....Please Retry!"; getch(); fin.close(); goto menu;case 4:clrscr(); gotoxy(20,20); cout<<"ARE YOU SURE, YOU WANT TO EXIT (Y/N)?"; char yn; cin>>yn; if((yn=='Y')||(yn=='y')) {gotoxy(12,20);

cout<<"SPECIAL THANKS TO RESHMI MISS FOR GIVING US THE GUIDING LIGHT";

getch();clrscr();gotoxy(15,20);cout<<"THANKS TO ALL THOSE WHO HELPED US TO MAKE THIS

PROJECT";getch();clrscr();

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gotoxy(12,20);cout<<"CREATED BY ROSHAN MARTIN , JYOTHIS PAUL , ARUN BABU";getch();exit(0);

} else if((yn=='N')||(yn=='n')) goto menu; else{goto menu;}default:cout<<"\n\n\t\tWrong Choice....Please Retry!";getch();goto menu;}}

//prg to conv decimal to binary & binary to decimal//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<math.h>#include<process.h>void main(){clrscr();int aa,g,h,s=0,ii=0,dd,b,ch;men :cout<<endl<<"Enter the choice - "<<endl<<endl<<"1:Binary to Decimal"<<endl<<endl<<"2:Decimal to Binary"<<endl;cout<<endl<<"3:Binary to Octal"<<endl<<endl<<"4:Octal to Binary"<<endl<<endl<<"5:exit"<<endl<<endl;;cin>>ch;

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switch(ch){case 1:s=0;ii=0;cout<<"Enter the Binary Digit"<<endl;cin>>b;

while(b>0){aa=b%10;s=s+aa*(pow(2,ii));ii=ii+1;b=b/10;}cout<<"Answer ="<<s<<endl;goto men;

case 2:s=0;ii=0;cout<<"Enter the Decimal"<<endl;cin>>dd;while(dd>0){aa=dd%2;aa=aa*pow(10,ii);s=s+aa;ii=ii+1;dd=dd/2;}cout<<"Answer ="<<s<<endl;

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goto men;

case 3:int oc,sum,p,r,n,a,i=0,x=0,d=0,j,o;cout<<"ENTER THE BINARY DIGIT :"<<endl;cin>>b;while(b>0){a=b%1000;j=0;d=0;while(a>0){n=(a%10);d=d+(n*pow(2,j));j=j+1;a=a/10;}x=x+(d*pow(10,i));i=i+1;b=b/1000;}cout<<"Answer ="<<x;goto men;

case 4:cout<<"Enter the Octel"<<endl;cin>>oc;i=0;j=0;

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sum=0;s=0;

while(oc>0){p=oc%1000;while(p>0){r=p%2;s=s+r*pow(10,j);j++;p=p/2;}sum=sum+(s*pow(1000,i));i++;oc=oc/10;j=0;}cout<<"Binary ="<<sum;goto men;

case 5:exit(0);

default:cout<<"Wrong choice"<<endl;

}getch();

}

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//BUBBLE SELECTION SORT//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<process.h>void main(){clrscr();int ch;int i,j,x,k,z,l,m,n,o,p,a[50],small;q :cout<<"Enter the choice 1:Selection 2:Bubble 3:Exchange Selection 4:Insertion 5:Exit"<<endl;cin>>ch;switch(ch){case 1:cout<<"Enter the limit "<<endl;cin>>n;cout<<endl;cout<<"Enter the elements"<<endl;

for(i=0;i<n;i++) { cin>>a[i]; cout<<endl; }

for(j=0;j<n;j++) { small=a[j];

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p=j; for(i=j;i<n;i++) { if(small>a[i]) { small=a[i]; p=i; } } for(k=p;k>j;k--) { a[k]=a[k-1]; } a[j]=small; }cout<<"Result"<<endl; for(z=0;z<n;z++) { cout<<a[z]; cout<<endl; } goto q; case 2:cout<<"Enter the limit"<<endl;cin>>n;cout<<"Enter the elements"<<endl; for(i=0;i<n;i++) cin>>a[i];for(j=0;j<n;j++) { for(i=0;i<n-1;i++) {

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if (a[i]>a[i+1]) { x=a[i+1]; a[i+1]=a[i]; a[i]=x; } } }cout<<"Result"<<endl; for (i=0;i<n;i++) { cout<<a[i]; cout<<endl; } break; case 3 :cout<<"Enter the limit "<<endl;cin>>n;cout<<endl;cout<<"Enter the elements"<<endl;

for(i=0;i<n;i++) { cin>>a[i]; cout<<endl; }

for(j=0;j<n;j++) { small=a[j]; p=j; for(i=j;i<n;i++)

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{ if(small>a[i]) { small=a[i]; p=i; } } a[p]=a[j]; a[j]=small; }cout<<"Result"<<endl; for(z=0;z<n;z++) { cout<<a[z]; cout<<endl; } goto q;

case 4 : int m=-32767; cout<<"enter the no. of elements"<<endl; cin>>n; cout<<"enter the array"<<endl; for(i=1;i<=n;i++) {cin>>a[i];} a[0]=m; for(i=1;i<=n;i++) {for(j=0;j<i;j++) {if(a[i]<a[j]) {p=a[i]; for(k=i-1;k>=j;k--) {a[k+1]=a[k];}

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a[j]=p;}}} for(i=1;i<=n;i++) {cout<<a[i];} goto q;

case 5:exit(0);default:cout<<"Wrong choice";goto q;

}getch();}//SALARY ORDER//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.

#include<iostream.h>#include<conio.h>#include<stdio.h>#include<stdlib.h>

struct employee{int eno;char name[25];float salary;}e[10];

void main()

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{clrscr();int n;void bubb(employee,int);cout<<"Enter No of Employees"<<endl;cin>>n;for(int i=0;i<n;i++){cout<<"Enter Employee Name :";gets(e[i].name);cout<<endl<<"Enter Employee Code :";cin>>e[i].eno;cout<<endl<<"Enter Employee Salary :";cin>>e[i].salary;}bubb(e[10],n);getch();}void bubb(employee e,int n){employee x;for(int j=0;j<n;j++){if(e[j].salary<e[j+1].salary){for(int i=j;i<n-1;i++){x=e[i];e[i]=e[i+1];e[i+1]=x;}}

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}for(int i=0;i<n;i++){cout<<endl;cout<<e[i].name<<endl<<e[i].salary<<endl<<e[i].eno;}}//Circular queue//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<process.h>

class queue {int data[10]; int front,rear; public: queue() {front=-1; rear=-1; } void add(); void remove(); void display(); };

void queue::add() {if((rear+1==front)||(rear==9&&front==0)) {cout<<"Overflow "; } else

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{if((rear==-1) &&(front==-1)){rear=0; front=0;}

else if(rear==9){rear=0;}

else{rear++;}

cout<<"Enter the element "; cin>>data[rear]; } }

void queue::remove() {if(front==-1&&rear==-1) {cout<<"Underflow "; } else {if(front==9) {front=0; } else if(front==rear) {front=-1;

rear=-1; } else {front++; } } }

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void queue::display() {int i=0,n=9; if(rear==-1) {cout<<"No elements.."<<endl; } else { if(rear>front) {for(i=0;i<front;i++)

{cout<<"_";}

for(i=front;i<=rear;i++){cout<<data[i];}

for(i=rear+1;i<n;i++){cout<<"_";}

} else {for(i=0;i<=rear;i++)

{cout<<data[i];}

for(i=rear+1;i<front;i++){cout<<"_";}

for(i=front;i<n;i++){cout<<data[i];}

} } }

void main()

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{clrscr(); int ch; queue queue; X: cout<<"\nEnter your choice\n1.Insert\n2.Delete\n3.Display\n4.Exit\n"; cin>>ch; switch(ch) {case 1:queue.add();

goto X; case 2:queue.remove();

goto X; case 3:queue.display();

goto X; case 4:exit(0); } getch(); }//program for creating pay slip of employees of a company#include<iostream.h>#include<conio.h>#include<fstream.h>#include<string.h>#include<stdio.h>#include<stdlib.h>#include<iomanip.h>

//global variable declarationint k=7,r=0,flag=0;

struct date{int mm,dd,yy;};

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ofstream fout;ifstream fin;

class employee{int empno,dept;char name[25];date d,j;public:void add(){cout<<"\n\n\tEmployee No: ";cin>>empno;cout<<"\n\n\tName of the Employee: ";gets(name);cout<<"\n\n\tDepartment: ";cin>>dept;cout<<"\n\n\tDate of Birth (dd-mm-yy): ";cin>>d.mm>>d.dd>>d.yy;cout<<"\n\n\tDate of Joining (dd-mm-yy): ";cin>>j.mm>>j.dd>>j.yy;}void show(){cout<<"\n\tEmployee No: ";cout<<empno;cout<<"\n\n\tName of the Employee: ";cout<<name;cout<<"\n\n\tDepartment: ";cout<<dept;cout<<"\n\n\tDate of Birth (dd-mm-yy): ";cout<<d.mm<<"-"<<d.dd<<"-"<<d.yy;cout<<"\n\n\tDate of Joining (dd-mm-yy): ";cout<<j.mm<<"-"<<j.dd<<"-"<<j.yy;}void report()

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{gotoxy(3,k);cout<<empno;gotoxy(10,k);puts(name);gotoxy(20,k);cout<<dept;}int retno(){return(empno);}int retd(){return(dept);}};

class Salary: public employee{float basic,gross,deduction,da,hra,ot,oth,pf,lic,fadv,coops,hdfc,netpay;int abdys;public:void add();void show();void report();void calculate();void pay();}sal;

void Salary::add(){employee::add();cout<<"\n\n\tBasic Pay: ";cin>>basic;cout<<"\n\n\tDays Absent: ";cin>>abdys;cout<<"\n\n\tOvertime Hours: ";cin>>oth;cout<<"\n\n\tLoans and Savings\n";

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cout<<"\n\n\tLIC: ";cin>>lic;cout<<"\n\n\tHDFC: ";cin>>hdfc;cout<<"\n\n\tCo Operative Society: ";cin>>coops;calculate();fout.write((char *)&sal,sizeof(sal));fout.close();}void Salary::calculate(){hra=basic*0.1;da=basic*0.225;ot=oth*700;pf=basic*0.1275;fadv=100;gross=basic+hra+da+ot;deduction=pf+lic+fadv+coops+hdfc;netpay=gross-deduction;}

void Salary::show(){fin.open("database.dat",ios::binary);fin.read((char*)&sal,sizeof(sal));employee::show();cout<<"\n\n\tNet pay: ";cout<<netpay;fin.close();}

void Salary::report(){employee::report();

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gotoxy(30,k);cout<<basic;gotoxy(42,k);cout<<gross;gotoxy(52,k);cout<<deduction;gotoxy(67,k);cout<<netpay;k=k+1;if(k==50){gotoxy(25,50);cout<<"PRESS ANY KEY TO CONTINUE...";getch();k=7;clrscr();gotoxy(30,3);cout<<" EMPLOYEE DETAILS ";gotoxy(3,5);cout<<"CODE";gotoxy(10,5);cout<<"NAME";gotoxy(20,5);cout<<"DEPT";gotoxy(30,5);cout<<"BASIC";gotoxy(40,5);cout<<"GROSS PAY";gotoxy(52,5);cout<<"DEDUCTION";gotoxy(67,5);cout<<"NETPAY";}}

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void Salary::pay(){show();cout<<"\n\n\n\t\t*********************************************";cout<<"\n\t\t ENTERPRISES ";cout<<"\n\t\t*********************************************";cout<<"\n\n\t\tBASIC SALARY :"<<basic;cout<<"\n\t\tDEARNESS ALLOWANCE :"<<da;cout<<"\n\t\tHOUSE RENT ALLOWANCE :"<<hra;cout<<"\n\t\tOVER TIME HOURS :"<<oth;cout<<"\n\t\tOVER TIME WAGES :"<<ot;cout<<"\n\t\tGROSS PAY :"<<gross;cout<<"\n\n\n\n\n\n\t\tPROVIDENT FUND :"<<pf;cout<<"\n\t\tLIC :"<<lic;cout<<"\n\t\tFESTIVAL ADVANCE :"<<fadv;cout<<"\n\t\tHDFC :"<<hdfc;cout<<"\n\t\tCO-OP S :"<<coops;cout<<"\n\n\n\t\tNET PAY :Rs."<<netpay;cout<<"\n\t\t*********************************************";//earningsgotoxy(14,21);cout<<"E";gotoxy(14,22);cout<<"A";gotoxy(14,23);cout<<"R";gotoxy(14,24);cout<<"N";gotoxy(14,25);cout<<"I";gotoxy(14,26);cout<<"N";

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gotoxy(14,27);cout<<"G";gotoxy(14,28);cout<<"S";//deductionsgotoxy(14,31);cout<<"D";gotoxy(14,32);cout<<"E";gotoxy(14,33);cout<<"D";gotoxy(14,34);cout<<"U";gotoxy(14,35);cout<<"C";gotoxy(14,36);cout<<"T";gotoxy(14,37);cout<<"I";gotoxy(14,38);cout<<"O";gotoxy(14,39);cout<<"N";gotoxy(14,40);cout<<"S";}

void main(){cout.setf(ios::fixed);cout.setf(ios::showpoint);cout<<setprecision(2);menu:

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clrscr();gotoxy(25,2);cout<<"Company Employee Management";gotoxy(25,3);cout<<"===========================\n\n";cout<<"\n\t\t1.Salary Report\n\n";cout<<"\t\t2.Edit Database\n\n";cout<<"\t\t3.Search\n\n";cout<<"\t\t4.Pay Slip\n\n";cout<<"\t\t5.Exit\n\n";cout<<"\t\tPlease Enter Required Option: ";int ch;cin>>ch;switch(ch){case 1:ss:

clrscr();gotoxy(25,2);cout<<"Salary Statement";gotoxy(25,3);cout<<"================\n\n";cout<<"\n\t\t1.All Employees\n\n";cout<<"\t\t2.Department wise\n\n";cout<<"\t\t3.Back to Main menu\n\n";cout<<"\t\tPlease Enter Required Option: ";int cho;cin>>cho;if(cho==1){clrscr();gotoxy(30,3);cout<<" EMPLOYEE DETAILS ";gotoxy(3,5);cout<<"CODE";

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gotoxy(10,5);cout<<"NAME";gotoxy(20,5);cout<<"DEPT";gotoxy(30,5);cout<<"BASIC";gotoxy(40,5);cout<<"GROSS PAY";gotoxy(52,5);cout<<"DEDUCTION";gotoxy(67,5);cout<<"NETPAY";fin.open("database.dat",ios::binary);if(!fin){cout<<"\n\nFile Not Found...";goto menu;}fin.seekg(0);while(!fin.eof()){fin.read((char*)&sal,sizeof(sal));if(!fin.eof())sal.report();}getch();fin.close();}if(cho==2){flag=0;cout<<"\n\t\tEnter Department: ";int de;cin>>de;clrscr();gotoxy(30,3);cout<<" EMPLOYEE DETAILS ";gotoxy(3,5);

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cout<<"CODE";gotoxy(10,5);cout<<"NAME";gotoxy(20,5);cout<<"DEPT";gotoxy(30,5);cout<<"BASIC";gotoxy(40,5);cout<<"GROSS PAY";gotoxy(52,5);cout<<"DEDUCTION";gotoxy(67,5);cout<<"NETPAY";fin.open("database.dat",ios::binary);if(!fin){cout<<"\n\nFile Not Found...";goto menu;}fin.seekg(0);while(!fin.eof()){fin.read((char*)&sal,sizeof(sal));if(!fin.eof()){int x=sal.employee::retd();if(x==de){flag=1;sal.report();}}}if(flag==0){cout<<"\n\n\n\t\tDepartment doesnot exist...";getch();fin.close();goto ss;}getch();fin.close();}

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if(cho==3){goto menu;}goto ss;

case 2:db:clrscr();gotoxy(25,2);cout<<"Employee Database";gotoxy(25,3);cout<<"=================\n\n";cout<<"\n\t\t1.Add Employee Details\n\n";cout<<"\t\t2.Edit Employee Details\n\n";cout<<"\t\t3.Delete Employee\n\n";cout<<"\t\t4.Back to Main Menu ";int apc;cin>>apc;

switch(apc){case 1:fout.open("database.dat",ios::binary|ios::app);sal.add();cout<<"\n\t\tEmployee Added Successfully!";getch();goto db;

case 2:int eno;flag=0;cout<<"\n\n\tEnter Employee Number to be Edited :";cin>>eno;fin.open("database.dat",ios::binary);fout.open("database.dat",ios::binary|ios::app);if(!fin){cout<<"\n\nFile Not Found...";

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goto menu;}fin.seekg(0);r=0;while(!fin.eof()){fin.read((char*)&sal,sizeof(sal));if(!fin.eof()){r++;int x=sal.employee::retno();if(x==eno){flag=1;fout.seekp((r-1)*sizeof(sal));clrscr();cout<<"\n\t\tCurrent Details are\n";sal.show();cout<<"\n\n\t\tEnter New Details\n";sal.add();cout<<"\n\t\tEmployee Details editted";}}}if(flag==0){cout<<"\n\t\tEmployee No does not exist...Please Retry!";getch();goto db;}fin.close();getch();goto db;

case 3:flag=0;cout<<"\n\n\tEnter Employee Number to be deleted :";cin>>eno;fin.open("database.dat",ios::binary);if(!fin){cout<<"\n\nFile Not Found...";

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goto menu;}fstream tmp("temp.dat",ios::binary|ios::out);fin.seekg(0);while(fin.read((char*)&sal, sizeof(sal))){int x=sal.employee::retno();if(x!=eno)tmp.write((char*)&sal,sizeof(sal));else{flag=1;}}fin.close();tmp.close();fout.open("database.dat",ios::trunc|ios::binary);fout.seekp(0);tmp.open("temp.dat",ios::binary|ios::in);if(!tmp){cout<<"Error in File";goto db;}while(tmp.read((char*)&sal,sizeof(sal)))fout.write((char*)&sal,sizeof(sal));tmp.close();fout.close();if(flag==1)cout<<"\n\t\tEmployee Succesfully Deleted";else if (flag==0)cout<<"\n\t\tEmployee does not Exist! Please Retry";getch();goto db;case 4: goto menu;default: cout<<"\n\n\t\tWrong Choice!!! Retry";getch();goto db;}

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case 3:clrscr();cout<<"\n\n\t\tEnter Employee Number to be found: ";

flag=0;int eno;cin>>eno;fin.open("database.dat",ios::binary);if(!fin){cout<<"\n\nFile Not Found...";goto menu;}fin.seekg(0);while(fin.read((char*)&sal, sizeof(sal))){int x=sal.employee::retno();if(x==eno){flag=1;cout<<"\n\n\t\tEmployee Details are \n";cout<<"\t\t====================\n";sal.show();}}fin.close();if(flag==0) cout<<"\n\t\tEmployee does not exist....Please Retry!";getch();goto menu;

case 4:clrscr();flag=0;cout<<"\n\n\t\tEnter Employee Number :";cin>>eno;fin.open("database.dat",ios::binary);if(!fin){cout<<"\n\nFile Not Found...\nProgram Terminated!";goto menu;}fin.seekg(0);while(fin.read((char*)&sal,sizeof(sal))){int x=sal.employee::retno();

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if(x==eno){sal.pay();flag=1;break;}}if(flag==0)cout<<"\n\t\tEmployee does not exist....Please Retry!";getch();fin.close();goto menu;

case 5:clrscr();gotoxy(20,20);cout<<"ARE YOU SURE, YOU WANT TO EXIT (Y/N)?";char yn;cin>>yn;if((yn=='Y')||(yn=='y')){gotoxy(17,20);cout<<"THANKS TO EVERYONE WHO CONTRIBUTED TO THIS PROGRAM";getch();exit(0);}else if((yn=='N')||(yn=='n'))goto menu;else{goto menu;}default:cout<<"\n\n\t\tWrong Choice....Please Retry!";getch();goto menu;}}//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<dos.h>

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#include<stdio.h>#include<fstream.h>

struct stud{char name[50];int rno;};

void main(){

clrscr();stud st;int i;ofstream gpj("abcabc.dat",ios::binary|ios::trunc);if(!gpj){cout<<"File Cannot Be Created"<<endl;}else{int n;

cout<<"How many Students U Want to Enter ???? "<<endl;cin>>n;for(i=0;i<n;i++){cout<<"Enter Name"<<endl;gets(st.name);cout<<"Enter Roll No"<<endl;

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cin>>st.rno;gpj.write((char*)&st,sizeof(st));}gpj.close();}int a=0;ifstream gp("abcabc.dat",ios::binary);if(!gp){cout<<"File Error"<<endl;}else{gp.seekg(0);while(gp.read((char*)&st,sizeof(st))){a++;}cout<<"No = "<<a;gp.close();}getch();

}//_*************_ CRUISE TRAVEL MANAGENMENT _*****************_/*A Project based on Cruise Travel Management */

#include<iostream.h>#include<conio.h>#include<stdio.h>#include<process.h>#include<fstream.h>#include<ctype.h>

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#include<stdlib.h>#include<iomanip.h>long int code;class persdetails //class for collecting the personal details{ int trvlcode; int age[20]; char name[20][20]; char add[50]; char phnum[15]; char sex[20]; char passnum[10][10]; char familyname[30]; int num; int numppl; public: void p_input(int); void p_output(); void givefam(); int givecode(); int give();}pob;int persdetails::give(){ return num;}void persdetails::givefam(){ cout<<familyname;}int persdetails::givecode(){

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return trvlcode;}void persdetails::p_input(int cd) //input func() of class1{ trvlcode=cd; num=0; clrscr(); cout<<"\n\n\t:::::::::::::::::::::: PERSONAL DETAILS ::::::::::::::::::::::\n"; cout<<"\t\t\t\t~~~~~~~~~~~~~~\n"; cout<<"\n\t\t* Please fill in the details:\n\n\n\t\t\t1.Family Name: "; gets(familyname); cout<<"\n\t\t\t2.Address: "; gets(add); cout<<"\n\t\t\t3.Contact Number(10 Digit Mobile Number) : "; gets(phnum); cout<<"\n\n\n\t\tEnter The No of People Travelling: "; cin>>numppl; clrscr(); if(numppl>0) { cout<<"\n\t\tPlease Enter The Details of each Member/Members: "<<endl; cout<<"\t\t________________________________________________\n"; for(int i=0;i<numppl;i++) { cout<<endl<<"\n\t\tMember "<<i+1; cout<<"\n\t\t~~~~~~~~"; cout<<"\n\n\t\tFirst Name: "; gets(name[i]); cout<<"\n\t\tAge: "; cin>>age[i]; cout<<"\n\t\tSex (M/F): "; cin>>sex[i];

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cout<<"\n\t\tPassport Number: "; gets(passnum[i]); if(age[i]>5) {

num++; //to calculate no of travellers below 5 yrs } } }}void persdetails::p_output() //output func() of class1{ clrscr(); cout<<"\n\n\t_********************_ PERSONAL DETAILS _********************_"<<endl; cout<<"\n\n\t\t\tFamily Name:\t "<<familyname<<endl; cout<<"\t\t\tAddress:\t "<<add<<endl; cout<<"\t\t\tPhone Number:\t "<<phnum<<endl; cout<<"\n\n\tName\t\tAge\t\tSex\t\tPassport Number\n"<<endl; for(int i=0;i<numppl;i++) { cout<<"\t"<<name[i]<<"\t\t"<<age[i]<<"\t\t"<<sex[i]<<"\t\t"<<passnum[i]<<endl; } getch();}class travdetails //class which holds the travel details{ int trvtcode; int day; int month; int year; int num1; int bdg_pt; int go_pt;

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int deck; int cabin; int pool; int gym; int sports; int salon; int spa; int theatre; public: void initial(); void t_input(int); void t_output(); void compute(); int gtcode(); void accept(int);}tob;void travdetails::initial(){ pool=gym=theatre=sports=salon=0;}void travdetails::accept(int c){ num1=c;}int travdetails::gtcode(){ return trvtcode;}void travdetails::t_input(int cd) //input func()-class2{ tob.initial(); trvtcode=cd;

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int i=1,opt; clrscr(); do { clrscr(); cout<<endl; cout<<"\n\n\t\t\t\t_||__TRAVEL DETAILS__"; cout<<"\n\t\t\t\t\\___________________/"; cout<<"\n\t\t\t\t~~~~~~~~~~~~~~~~~~~~~~"; cout<<"\n\n\t\tPlease enter the following details for your journey:"; cout<<"\n\n\t\t*Note:Options marked with '*' are compulsory.\n\t\t\tPlease do select them."; cout<<"\n\n\n\t\t\t\t*1.Boarding Point\n\t\t\t\t*2.Destination\n\t\t\t\t*3.Date of Departure\n\t\t\t\t*4.Deck\n\t\t\t\t 5.Cabin\n\t\t\t\t 6.Swimming Pool\n\t\t\t\t 7.Gymnasuim\n\t\t\t\t 8.Sports\n\t\t\t\t 9.Salon\n\t\t\t\t 10.Spa\n\t\t\t\t 11.Theatre\n\t\t\t\t 12.Back\n\n\t\t\t\t_ "; cin>>opt; switch(opt) { case 1:clrscr();

cout<<"\n\n\n\t\t\tSelect Boarding point:\n\n\t\t\t1.Mumbai\n\n\t\t\t2.Cochin\n\n\t\t\t3.Chennai\n\n\t\t\t_ ";

cin>>bdg_pt; break;

case 2:clrscr(); cout<<"\n\n\t\t\t****** Select Destination ******\n\n\n"; cout<<"\t 1.New York\t\t6.Dubai\t\t\t11.Antananariv"; cout<<"\n\n\t 2.Miami\t\t7.Lisbon\t\t12.Cairo\n\n"; cout<<"\t 3.Rio De Janeiro\t8.London\t\t13.Perth"; cout<<"\n\n\t 4.Colombo\t\t9.Copenhagen\t\t14.Sydney"; cout<<"\n\n\t 5.Hong Kong\t\t10.Cape Town\t\t15.Wellington\n\n\n\n\n\t\t\t\t _ "; cin>>go_pt; break;

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case 3:clrscr(); cout<<"\n\n\t______________ Date of Departure ________________"; cout<<"\n\n * Note:Format for entering:Day(press enter)Month(press

enter)Year *"; cout<<"\n\n\t\tEnter your preferred date of departure: "; cin>>day; gotoxy(59,7); //to create a paricular format for entry cout<<"/"; cin>>month; gotoxy(62,7); cout<<"/"; cin>>year; break;

case 4:clrscr(); cout<<"\n\n\t\t\tEnter The Choice OF Deck\n\n\t\t\t1.Top Deck\n\n\t\t\t2.Middle

Decks\n\n\t\t\t3.Bottom Deck\n\n\t\t\t_ "; cin>>deck; break;

case 5:clrscr(); cout<<"\n\n\t\t\tEnter The Choice Of Cabin\n\n\t\t\t1.AC\n\n\t\t\t2.Non AC\n\n\t\t\

t_ "; cin>>cabin; break;

case 6:clrscr(); cout<<"\n\n\t\tDo You Like To Avail The Facility Of A Swimming Pool\n\n\t\t\

t1.No\n\n\t\t\t2.Yes\n\n\t\t\t_ "; cin>>pool; pool--; break;

case 7:clrscr(); cout<<"\n\n\t\tDo You Like To Avail The Facility Of A Gymnasium\n\n\t\t\t1.No\

n\n\t\t\t2.Yes\n\n\t\t\t_ ";

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cin>>gym; gym--; break;

case 8:clrscr(); cout<<"\n\n\t\tDo You Like To Avail The Sports Facilities Offered\n\n\t\t\t1.No\n\

n\t\t\t2.Yes\n\n\t\t\t_ "; cin>>sports; sports--; break;

case 9:clrscr(); cout<<"\n\n\t\tDo You Like To Avail The Facility Of Beauty Salon\n\n\t\t\t1.No\n\

n\t\t\t2.Yes\n\n\t\t\t_ "; cin>>salon; salon--; break;

case 10:clrscr(); cout<<"\n\n\tDo You Like To Avail The Facility Of Spa and Ayurvedic

Treatment\n\n\t\t\t1.No\n\n\t\t\t2.Yes\n\n\t\t\t_ "; cin>>spa; spa--; break;

case 11:clrscr(); cout<<"\n\n\t\tDo You Like To Avail The Facility Of Amphitheatre\n\n\t\t\t1.No\n\

n\t\t\t2.Yes\n\n\t\t\t_ "; cin>>theatre; theatre--; break;

case 12:i=0; break;

} }while(i==1);}

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void boardpt(int c) //for easy o/p{ if(c==1) cout<<"Mumbai\t"; if(c==2) cout<<"Cochin\t"; if(c==3) cout<<"Chennai\t";}void dest(int d) //for easy o/p{ switch(d) { case 1:cout<<"New York";

break; case 2:cout<<"Miami";

break; case 3:cout<<"Rio De Janero";

break; case 4:cout<<"Colombo";

break; case 5:cout<<"Hong Kong";

break; case 6:cout<<"Dubai";

break; case 7:cout<<"Lisbon";

break; case 8:cout<<"London";

break; case 9:cout<<"Copenhagen";

break; case 10:cout<<"Cape Town";

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break; case 11:cout<<"Antananriv";

break; case 12:cout<<"Cairo";

break; case 13:cout<<"Perth";

break; case 14:cout<<"Sydney";

break; case 15:cout<<"Willington";

break; }}void travdetails::t_output() //output func()-class2{ clrscr(); cout<<"\n\n\t_*******************_ TRAVEL DETAILS _*********************_"; cout<<"\n\n\t\tBoarding Point: "; boardpt(bdg_pt); cout<<"\n\n\t\tDestination: "; dest(go_pt); cout<<"\n\n\t\tDate of departure: "; cout<<day<<"/"<<month<<"/"<<year; cout<<"\n\n\t\tDeck: "; switch(deck) { case 1:cout<<"Top Deck";

break; case 2:cout<<"Middle Deck";

break; case 3:cout<<"Bottom Deck";

break;

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} cout<<"\n\n\t\tCabin: "; switch(cabin) { case 1:cout<<"AC cabin";

break; case 2:cout<<"Non-AC cabin";

break; } cout<<"\n\n\n\tFacilities availed for are:"; if(pool==1) cout<<"\n\t\t\t\t Swimming Pool"; if(gym==1) cout<<"\n\t\t\t\t Gymnasuim"; if(sports==1) cout<<"\n\t\t\t\t Sports Facilities"; if(spa==1) cout<<"\n\t\t\t\t Spa and Ayurvedic Treatment"; if(salon==1) cout<<"\n\t\t\t\t Beauty Salon"; if(theatre==1) cout<<"\n\t\t\t\t Theatre"; getch();}void family(int c,int&flag) //to display familyname+to check for record{ flag=0; clrscr(); ifstream ifl("PersonalDetails.txt",ios::binary); if(!ifl) cout<<"\nError"; ifl.read((char*)&pob,sizeof(pob));

| ISHAN POPLI


while(!ifl.eof()) { if(pob.givecode()==c) { flag=1; break; } ifl.read((char*)&pob,sizeof(pob)); } if(flag==1) { cout<<"\n\n\t\t ******_ "; pob.givefam(); cout<<"'s FAMILY DATABASE _******"; } else { cout<<"\nError in locating record!!"; } ifl.close();}void editp(int c) //to edit persdetails{ ofstream ofl2("temp1.txt",ios::binary); if(!ofl2) cout<<"Error While Opening File"; ifstream ifl4("PersonalDetails.txt",ios::binary); if(!ifl4) cout<<"Error While Opening File"; ifl4.read((char*)&pob,sizeof(pob)); while(!ifl4.eof()) {

| ISHAN POPLI


if(pob.givecode()==c) { clrscr(); cout<<"Please Enter the New details of the record"<<endl; pob.p_input(c); ofl2.write((char*)&pob,sizeof(pob)); cout<<"\n\t\t\tModification Succesful!!!"; ifl4.read((char*)&pob,sizeof(pob)); } else { ofl2.write((char*)&pob,sizeof(pob)); ifl4.read((char*)&pob,sizeof(pob)); } } remove("PersonalDetails.txt"); rename("temp1.txt","PersonalDetails.txt"); ifl4.close(); ofl2.close(); getch();}void editt(int c) //to edit travdetails{ ofstream ofl2("temp1.txt",ios::binary); if(!ofl2) cout<<"Error While Opening File"; ifstream ifl4("TravelDetails.txt",ios::binary); if(!ifl4) cout<<"Error While Opening File"; ifl4.read((char*)&tob,sizeof(tob)); while(!ifl4.eof()) {

| ISHAN POPLI


if(tob.gtcode()==c) { clrscr(); cout<<"Please Enter the New details of the record"<<endl; tob.t_input(c); ofl2.write((char*)&tob,sizeof(tob)); cout<<"\n\t\t\tModification Succesful!!!"; ifl4.read((char*)&tob,sizeof(tob)); } else { ofl2.write((char*)&tob,sizeof(tob)); ifl4.read((char*)&tob,sizeof(tob)); } } remove("TravelDetails.txt"); rename("temp1.txt","TravelDetails.txt"); ifl4.close(); ofl2.close(); getch();}void deletion(int c) //common delete func(){ ofstream ofl2("temp1.txt",ios::binary); if(!ofl2) cout<<"Error While Opening File"; ifstream ifl4("PersonalDetails.txt",ios::binary); if(!ifl4) cout<<"Error While Opening File"; ifl4.read((char*)&pob,sizeof(pob)); while(!ifl4.eof()) {

| ISHAN POPLI


if(pob.givecode()!=c) { ofl2.write((char*)&pob,sizeof(pob)); } ifl4.read((char*)&pob,sizeof(pob)); } remove("PersonalDetails.txt"); rename("temp1.txt","PersonalDetails.txt"); ofl2.close(); ifl4.close(); ofstream ofl3("temp2.txt",ios::binary); if(!ofl3) cout<<"\nError While Opening File"; ifstream ifl5("TravelDetails.txt",ios::binary); if(!ifl5) cout<<"\nError While Opening File"; ifl5.read((char*)&tob,sizeof(tob)); while(!ifl5.eof()) { if(tob.gtcode()!=c) { ofl3.write((char*)&tob,sizeof(tob)); } ifl5.read((char*)&tob,sizeof(tob)); } ofl3.close(); ifl5.close(); remove("TravelDetails.txt"); rename("temp1.txt","TravelDetails.txt"); cout<<"\n\n\t\tDeletion Completed!"; getch();}

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void travdetails::compute() //compution+bill generation{ long int gttl=0,hr,dcst,dck,cabn,swpool=5000,gm=2000,spfts=7500,slon=6000,sp=20000,ttr=500; switch(go_pt) { case 1:; case 2:; case 3:hr=30*24;

dcst=250000; break;

case 4:; case 5:; case 6:hr=7*24;

dcst=75000; break;

case 7:; case 8:; case 9:hr=24*24;

dcst=130000; break;

case 10:; case 11:; case 12:hr=15*24;

dcst=100000; break;

case 13:; case 14:; case 15:hr=12*24;

dcst=120000; break;

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} switch(deck) { case 1:dck=7500;

break; case 2:dck=5000;

break; case 3:dck=1000; } switch(cabin) { case 1:cabn=5000;

break; case 2:cabn=2000;

break; } clrscr(); cout<<"\n\n\t\t:::::::::::::::::::::: BILL ::::::::::::::::::::::::::"; cout<<"\n\n\t\tBoarding point:\t\t "; boardpt(bdg_pt); cout<<"\n\n\t\tDestination:\t\t "; dest(go_pt); cout<<"\n\n\t\tDate of Departure: "; cout<<day<<"/"<<month<<"/"<<year; hr=hr/24; //to calculate date of arrival day=day+hr; if(month==1||month==3||month==5||month==7||month==8||month==10||month==12) { if(day>31) { month=month+1; day=day%31;

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} } if(month==4||month==6||month==9||month==11) { if(day>30) { month=month+1; day=day%30; } } if(month==2) { if(day>28) { month=month+1; day=day%28; } } if(month==13) { month=1; year++; } cout<<"\n\n\t\tDate of Arrival: "; cout<<day<<"/"<<month<<"/"<<year; cout<<"\n\n\t\tSubject\t\tCost(for 1)\tNo of ppl\tTotal"; cout<<"\n\n\t\tTravel\t\t"<<dcst<<"\t\t "<<num1<<"\t\t"<<num1*dcst; gttl+=num1*dcst; cout<<"\n\t\tDeck\t\t"<<dck<<"\t\t "<<num1<<"\t\t"<<dck*num1; gttl+=dck*num1; cout<<"\n\t\tCabin\t\t"<<cabn<<"\t\t "<<num1<<"\t\t"<<cabn*num1; gttl+=cabn*num1;

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if(pool==1) { cout<<"\n\t\tSwimming Pool\t"<<swpool<<"\t\t "<<num1<<"\t\t"<<swpool*num1; gttl+=swpool*num1; } if(gym==1) { cout<<"\n\t\tGym\t\t"<<gm<<"\t\t "<<num1<<"\t\t"<<gm*num1; gttl+=gm*num1; } if(sports==1) { cout<<"\n\t\tSports\t\t"<<spfts<<"\t\t "<<num1<<"\t\t"<<spfts*num1; gttl+=spfts*num1; } if(salon==1) { cout<<"\n\t\tSalon\t\t"<<slon<<"\t\t "<<num1<<"\t\t"<<slon*num1; gttl+=slon*num1; } if(spa==1) { cout<<"\n\t\tSpa\t\t"<<sp<<"\t\t "<<num1<<"\t\t"<<sp*num1; gttl+=dcst*num1; } if(theatre==1) { cout<<"\n\t\tTheatre\t\t"<<ttr<<"\t\t "<<num1<<"\t\t"<<ttr*num1; gttl+=ttr*num1; } cout<<"\n\n\n\t\t\t_ Grand Total:Rs "; if(gttl>100000) //to provide comma's for grandtotal

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{ cout<<gttl/100000<<","; gttl=gttl%100000; } if(gttl>1000) { cout<<gttl/1000<<","; gttl=gttl%1000; } cout<<gttl; if(gttl<10) cout<<"00"; cout<<" _"; cout<<"\n\n\t__! All Travellers below the age of 5 have not been charged !__"; getch();}void main(){ clrscr(); cout<<"\n\n\n\n\n"; //welcome screen cout<<" ___ ___ ______ ** ::::::: !!!!!!!! ___ ___ ______ \n"; cout<<" ___ _ ___ ______ ** :: !! !! __ _ _ __ ______ \n"; cout<<" ___ ___ ___ _ ** :: !! !! __ __ __ _ \n"; cout<<" ___ ___ ______ ****** ::::::: !!!!!!!! __ _ __ ______ \n"; cout<<"\n\n\n\n\n"; cout<<" ~ __ ~ __ ~ __ \n"; cout<<" |==| |==| |==| \n"; cout<<" __|__|__|__|__|__|_ \n"; cout<<" __|___________________|___ \n"; cout<<" __|__[]__[]__[]__[]__[]__[]__|___ CRUISE DATABASE MANAGEMENT\n"; cout<<" |............................o.../ \n";

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cout<<" \\.............................../ \n"; cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"; cout<<" ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ \n"; cout<<" ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~\n"; cout<<" ~ ~ ~ ~ ~ ~ ~ ~ ~ \n"; cout<<" ~ ~ ~ ~ ~ ~ ~ ~\n"; ifstream fl("INITIALL.txt",ios::binary); //initialisation of code if(!fl) cout<<"\nError"; fl.read((char*)&code,sizeof(code)); fl.close(); int opt,opt1,opt2,opt3,opt4; int acceptcode,flag; getch(); clrscr(); do { clrscr(); cout<<"\n\n\t\t_________________________________________________\n"; cout<<"\t\t _....WELCOME TO THE CRUISE DATABASE SYSTEM...._\n"; cout<<"\t\t_________________________________________________\n\n\n"; cout<<"\t\t____________________ ____________________\n"; cout<<"\t\t___________________ MAIN MENU ___________________\n"; cout<<"\t\t____________________ ____________________\n\n"; cout<<"\n\t\t\tPlease select a kind of user:"; cout<<"\n\n\t\t\t\t1.New User\n\n\t\t\t\t2.Existing User\n\n\t\t\t\t3.Exit"; cout<<"\n\n\t\t\t\t_ "; cin>>opt; switch(opt) { case 1:do

{

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clrscr(); cout<<"\n\n\n\t\t\t\t NEW USER\n"; cout<<"\t\t\t\t ********\n\n"; cout<<"\n\n\t\t\tChoose the type of details you want to enter:"; cout<<"\n\n\t\t\t\t1.Personal Details\n\n\t\t\t\t2.Travel Details\n\n\t\t\t\t3.Back\n\n\

t\t\t\t_ "; cin>>opt1; switch(opt1) {

case 1:code++;pob.p_input(code);ofstream ofl("PersonalDetails.txt",ios::binary|ios::app);if(!ofl)cout<<"\n\n\t\tSorry.The File Cannot Be Opened For Writing"<<endl;ofl.write((char*)&pob,sizeof(pob));ofl.close();break;

case 2:tob.t_input(code);ofstream ofl1("TravelDetails.txt",ios::binary|ios::app);if(!ofl1)cout<<"\n\n\t\tSorry.The File Cannot Be Opened For Writing"<<endl;ofl1.write((char*)&tob,sizeof(tob));ofl1.close();clrscr();cout<<"\n\n\n\n!!!!!Your Details Have Been Registered.Please Make A

Note Of This Code: "<<code;cout<<"\n\n* For modifications,Please visit 'existing user' section in the

main screen";getch();break;

} }while(opt1!=3);

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break; case 2:clrscr();

cout<<"\n\n\t\t\t_***** EXISTING USER *****_\n\n\t\tPlease Enter The Travel Code That Was Given To You\n\n\t\t\t_ ";

cin>>acceptcode; if(acceptcode>code) { cout<<"\nNo such record has been created!"; break; } family(acceptcode,flag); cout<<endl<<endl<<"\t\t\t\tCode no:"<<acceptcode; getch(); if(flag==1) { do { clrscr(); cout<<"\n\n\t\t\t@@@@@@@@@ Information Centre

@@@@@@@@@"; cout<<"\n\t\t\t\t ~~~~~~~~~~~~~~~~~"; cout<<"\n\n\tPlease select the type of operation that you would like to

perform:"; cout<<"\n\n\t\t\t1.View Personal Details\n\n\t\t\t2.View Travel Details\n\n\t\t\

t3.Edit Details\n\n\t\t\t4.Compute Bill\n\n\t\t\t5.Back\n\n\t\t\t_ "; cin>>opt2; switch(opt2) {

case 1:ifstream ifl("PersonalDetails.txt",ios::binary);if(!ifl)cout<<"\nError";ifl.read((char*)&pob,sizeof(pob));

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while(!ifl.eof()){ if(pob.givecode()==acceptcode) { break; } ifl.read((char*)&pob,sizeof(pob));}pob.p_output();ifl.close();break;

case 2:ifstream ifl1("TravelDetails.txt",ios::binary);if(!ifl1)cout<<"\nError";ifl1.read((char*)&tob,sizeof(tob));while(!ifl1.eof()){ if(tob.gtcode()==acceptcode) { break; } ifl1.read((char*)&tob,sizeof(tob));}tob.t_output();ifl1.close();break;

case 3:do{ clrscr(); cout<<"\n\n\n\t_______________________ Edit Details

__________________________"; cout<<"\n\n\t\tPlease select from among the editing options:\n\n";

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cout<<"\t\t\t\t1.Modify\n\n\t\t\t\t2.Delete\n\n\t\t\t\t3.Back\n\n\t\t\t\t_ "; cin>>opt3; switch(opt3) { case 1:do

{ clrscr(); cout<<"\n\n\t\t______________ Modificaton

_______________\n"; cout<<"\t\t ~~~~~~~~~~~"; cout<<"\n\n\tChoose The Type Of Details You Want To

Modify:\n\n\t\t\t1.Personal Details\n\n\t\t\t2.Travel Details\n\n\t\t\t3.Back\n\n\t\t\t_ "; cin>>opt4; switch(opt4) { case 1:editp(acceptcode);

break; case 2:editt(acceptcode);

break; case 3:break; } }while(opt4!=3); break;

case 2:deletion(acceptcode); opt3=3; opt2=5; break;

case 3:break; }}while(opt3!=3);break;

case 4:ifstream ifl3("PersonalDetails.txt",ios::binary);

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if(!ifl3)cout<<"\nError";ifl3.read((char*)&pob,sizeof(pob));while(!ifl3.eof()){ if(pob.givecode()==acceptcode) { break; } ifl3.read((char*)&pob,sizeof(pob));}ifstream ifl2("TravelDetails.txt",ios::binary);if(!ifl2)cout<<"\nError";ifl2.read((char*)&tob,sizeof(tob));while(!ifl2.eof()){ if(tob.gtcode()==acceptcode) { break; } ifl2.read((char*)&tob,sizeof(tob));}tob.accept(pob.give());tob.compute();ifl2.close();break;

case 5:break; } }while(opt2!=5); } break;

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case 3:ofstream fil("INITIALL.txt",ios::binary); //storing code value if(!fil) cout<<"\nError"; fil.write((char*)&code,sizeof(code)); fil.close(); clrscr(); cout<<"\n\n"; cout<<" _/_/_/_/_/ _/ _/ \n"; cout<<" _/ _/_/_/ _/_/_/ _/_/_/ _/ _/ \n"; cout<<" _/ _/ _/ _/ _/ _/ _/ _/_/ \n"; cout<<" _/ _/ _/ _/ _/ _/ _/ _/ _/ \n"; cout<<" _/ _/ _/ _/_/_/ _/ _/ _/ _/ \n"; cout<<" \n"; cout<<" \n"; cout<<" \n"; cout<<" _/ _/ \n"; cout<<" _/ _/ _/_/ _/ _/ \n"; cout<<" _/ _/ _/ _/ _/ \n"; cout<<" _/ _/ _/ _/ _/ \n"; cout<<" _/ _/_/ _/_/_/ \n\n";

cout<<"\t |===| ~~\n"; cout<<" _| |____________________________________________|| ||___

"; cout<<"\t\t |_|_|_|_\__()____()____()______()______()_____()__||_||

__/"<<endl; cout<<"\t ̀ .==---------|_|----|_|-----|_|----|_|-----------------/"<<endl; cout<<"\t

.̀__________________________________________________/"<<endl;

cout<<"..........oOoOo~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"<<endl;

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cout<<".........oOoOo~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"<<endl;

cout<<".........oooo~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"<<endl;

getch(); exit(0);

} getch(); }while(1); //infinite loop till exit selected}

//SUM OF BOTH DIAGONALS//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<process.h>

int sum1(int a[50][50],int r){int s=0; for(int i=0;i<r;i++) { s=s+a[i][i];} return(s);}

| ISHAN POPLI


int sum2(int a[50][50],int r){int s=0;int j;j=r-1;for(int i=0;i<r;i++)s=s+a[i][j--];return(s);}

void row(int a[50][50],int r){int s=0;for(int i=0;i<r;i++){s=0;for(int j=0;j<r;j++){s=s+a[i][j];

}cout<<"Sum of Row "<<i+1<<" = "<<s<<endl;}}

void col(int a[50][50],int r){ int s=0;for(int i=0;i<r;i++){

s=0;for(int j=0;j<r;j++)

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{s=s+a[j][i];

}cout<<"Sum of Column "<<i+1<<" = "<<s<<endl;}}

void main(){clrscr();int i,s,j,r,c,ch,a[50][50];x:cout<<"Entr Array Limit--(Enter only Row as R=C)"<<endl;cin>>r;

cout<<"Enter Array"<<endl; for(i=0;i<r;i++) { for(j=0;j<r;j++) { cin>>a[i][j]; } }y:cout<<endl<<endl<<" Enter Choice :"<<endl<<"Sum of---- 1:main 2:Secondary 3.Rows 4.Columns 5.Re-enter 6.Exit "<<endl;cin>>ch;switch(ch){case 1:s=sum1(a,r);

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cout<<"Sum = "<<s<<endl;goto y;

case 2 :s=sum2(a,r);cout<<"Sum = "<<s<<endl;goto y;

case 3:row(a,r);goto y;

case 4:col(a,r);goto y;

case 5:goto x;

case 6:exit(0);

default :cout<<"Wrong Choice"<<endl;break;

}getch();}

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//prg to merge arrays//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>int c[100],i,j,k;

class merged{int na,nb,a[50],b[50];public:void merge();void display();void input();}g;

void merged::merge(){int j=0;int i=na-1;while((i>0)&&(j<nb)){if (b[j]<a[i]){c[k]=a[i];i--;k++;}if (b[j]>a[i]){c[k]=b[j];j++;

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k++;}if (b[j]==a[i]){c[k]=b[j];j++;k++;c[k]=a[i];i--;k++;}}if(i==-1){while(j<nb){c[k]=b[j];j++;k++;}}if(j==nb){while(i>=0){c[k]=a[i];i--;k++;}}}

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void merged::display(){for(i=0;i<na+nb;i++)cout<<c[i];}

void merged::input(){cout<<"Enter A Lim"<<endl;cin>>na;cout<<"Enter B Limit"<<endl;cin>>nb;cout<<"Enter array A"<<endl;for(i=0;i<na;i++)cin>>a[i];cout<<"Enter Array B"<<endl;for(j=0;j<nb;j++)cin>>b[j];}

void main(){clrscr();g.input();g.merge();g.display();getch();}

//PROGRAM

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#include<iostream.h>#include<conio.h>#include<string.h>#include<stdlib.h>#include<stdio.h>

//classclass travelplan{long plancode; char place[10]; int noofpeople; int noofbus; public: travelplan(); void newplan(); void showplan(); }travel;void travelplan::travelplan(){cout<<"enter the plancode"<<endl; cin>>plancode; cout<<endl; cout<<"enter the place"<<endl; gets(place); cout<<endl; cout<<"enter the no of travellers"<<endl; cin>>noofpeople; cout<<endl; }

void travelplan::newplan(){if(noofpeople<20)

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{noofbus=1;} else if((noofpeople>=20)&&(noofpeople<40)) {noofbus=2;} else if(noofpeople>=40) {noofbus=3;} }void travelplan::showplan(){cout<<"Plan code : "<<plancode<<endl;cout<<"Place : "; puts(place); cout<<endl; cout<<"No of travellers : "<<noofpeople<<endl; cout<<"No of bus : "<<noofbus<<endl; }void main(){travel.newplan();travel.showplan();getch();}

//Prg to keep record of books & Audio Cassetes//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<process.h>#include<stdio.h>class publication {

char title[20];

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float price;public:

void getdata(){cout<<"Enter Title"<<endl;gets(title);cout<<"Enter Price"<<endl;cin>>price;}

void putdata(){cout<<"Title"<<endl;puts(title);cout<<"Price"<<endl;cout<<price;

}};

class book : protected publication{int pagecount;public:void putdata(){publication :: putdata();

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cout<<endl<<"Pg Count"<<endl;cout<<pagecount;}void getdata(){publication::getdata();cout<<"Pg Count"<<endl;cin>>pagecount;}};

class tape : protected publication{float time;public:void getdata(){publication :: getdata();cout<<"Enter Time"<<endl;cin>>time;}void putdata(){publication :: putdata();cout<<endl<<"Time "<<endl;cout<<time;}};

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void main(){clrscr();book b;tape t;int ch;x:{cout<<endl<<"1. BOOK 2:Tape 3:Exit "<<endl;cin>>ch;switch(ch){case 1:b.getdata();b.putdata();goto x;case 2:t.getdata();t.putdata();goto x;case 3:exit(0);}}

getch();}

//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<process.h>

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void main(){clrscr();int ch,i,rear=-1,front=-1,queue[10];x:cout<<endl<<endl;cout<<"Enter Choice 1> Insert 2> Delete 3>exit "<<endl;cin>>ch;switch(ch){case 1:

if(front==-1){front=0;}rear++;if(rear<=9){cout<<"Enter The Element"<<endl;cin>>queue[rear];cout<<"Queue is"<<endl;for(i=0;i<=rear;i++){cout<<queue[i];}}else{cout<<"****************QUEUE OVERFLOW****************";}goto x;

case 2:if(rear==-1){rear=0;}

if(front==-1)

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{cout<<"*************** UNDER FLOW **********"<<endl;goto x;}elseif(rear==front){queue[front]='\o';front=-1;rear=-1;goto x;}else{queue[front]='\o';front++;}cout<<"Queue is"<<endl;for(i=0;i<=rear;i++){cout<<queue[i];}goto x;case 3:exit(0);

default :goto x;}}

//Queue as a linked list//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<process.h>#include<stdio.h>#include<string.h>

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struct node {char name[20]; int age; node *link; }*ptr=NULL,*save=NULL;class queue {node *rear,*front; public: queue() {rear=NULL; front=NULL; } void queins(); void quedel(); void display(); }q;

void queue::queins() {ptr=new node; if(ptr==NULL) {cout<<"Queue overflow "; } else {cout<<"Enter the name "; gets(ptr->name); cout<<"Enter the age "; cin>>ptr->age; ptr->link=NULL; if(rear==NULL)

{rear=ptr; front=ptr;

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} else

{rear->link=ptr; rear=ptr;}

} }

void queue::quedel() {if(rear==NULL) {cout<<"Queue underflow "; } else {if(front==rear) {save=front; front=NULL; rear=NULL; cout<<"Name "; puts(save->name); cout<<"Age "<<save->age; delete save; } else {save=front; front=front->link; cout<<"Name "; puts(save->name); cout<<"Age "<<save->age; delete save; } } }

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void queue::display() {if(rear==NULL) {cout<<"No elements "; } else {ptr=front; while(ptr!=NULL) {cout<<"Name ";

puts(ptr->name);cout<<"Age "<<ptr->age;ptr=ptr->link;

} } }

void main() {clrscr(); int ch;

X: cout<<"\nEnter your choice\n1.Insert\n2.Delete\n3.Display\n4.Exit\n"; cin>>ch; switch(ch) {case 1:q.queins();

goto X; case 2:q.quedel();

goto X; case 3:q.display();

goto X;

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case 4:exit(0);

default:cout<<"Wrong choice "; goto X;

} getch(); }//REVERSING EACH WORD SENTENCE//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<string.h>#include<ctype.h>#include<stdio.h>void main(){clrscr();int ch,i,j,k=0,p=0,l;char st[50],sr[50];cout<<"Enter Your Choice : "<<endl<<"1.Each Word Reversing"<<endl<<"2.Whole Sentence Reversing"<<endl;cin>>ch;switch(ch){case 1:cout<<"Enter the String"<<endl;gets(st);l=strlen(st); for(i=0;i<=l;i++) {

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if((st[i]==' ')||(st[i]=='\0')) { for(j=i-1;j>=p;j--) { sr[k]=st[j]; k++; } sr[k]=' '; k++; p=i+1; } } for(i=0;i<p;i++) cout<<sr[i];break;

case 2:cout<<"Enter the String"<<endl;gets(st);l=strlen(st);p=l-1; for(i=l-1;i>=-1;i--) { if((st[i]==' ')||(i == -1)) { for(j=i+1;j<=p;j++) { sr[k]=st[j]; k++; } sr[k]=' '; k++;

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p=i-1; } }for(i=0;i<=l;i++)cout<<sr[i];break;

default:cout<<"Wrong Choice"<<endl;break;

}

getch();}

//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<process.h>void main(){clrscr();int ch,i,top=-1,stack[5];x:cout<<endl<<endl;cout<<"Enter Choice 1> Insert 2> Delete 3>exit "<<endl;cin>>ch;switch(ch)

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{case 1:top++;if(top<=4){cout<<"Enter The Element"<<endl;cin>>stack[top];cout<<"The Stack is"<<endl;for(i=0;i<=top;i++)cout<<stack[i];goto x;}else{cout<<" ************* Stack OVERFLOW ********** "<<endl;goto x;}

case 2:if(top>=0){top--;cout<<"Stack is"<<endl;for(i=0;i<=top;i++)cout<<stack[i];goto x;}else{cout<<"************** Stack UNDER FLOW ***********"<<endl;goto x;}

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case 3:exit(0);default :cout<<"WRONG CHOICE !!!!!!!!!!! "<<endl;goto x;}}//Stack as a linked list//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<process.h>#include<stdio.h>

struct node {char name[20]; int age; node *link; }*ptr=NULL,*save=NULL;class stack {node *top; public: stack() {top=NULL; } void stackpush(); void stackpop(); void display(); }st;

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void stack::stackpush() {ptr=new node; if(ptr==NULL) {cout<<"Overflow "; } else {cout<<"Enter the name "; gets(ptr->name); cout<<"Enter the age "; cin>>ptr->age; ptr->link=NULL; if(top==NULL)

{top=ptr;}

else{ptr->link=top; top=ptr;}

} }

void stack::stackpop() {if(top==NULL) {cout<<"Underflow "; } else {save=top; top=top->link; cout<<"Name "; puts(save->name); cout<<"Age "<<save->age; delete save;

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} }

void stack::display() {if(top==NULL) {cout<<"No elements.."<<endl; } else {ptr=top; while(ptr!=NULL) {cout<<"\nName ";

puts(ptr->name);cout<<"Age "<<ptr->age;ptr=ptr->link;

} } }

void main() {clrscr(); int ch; X: cout<<"\nEnter your choice\n1.Insert\n2.Delete\n3.Display\n4.Exit\n"; cin>>ch; switch(ch) {case 1:st.stackpush();

goto X; case 2:st.stackpop();

goto X; case 3:st.display();

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goto X; default:cout<<"Wrong choice ";

goto X; case 4:exit(0); } getch(); }//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<dos.h>#include<stdio.h>#include<fstream.h>#include<stdlib.h>#include<string.h>#include<iomanip.h>#include<ctype.h>

void main()

{clrscr();int i,l;char st[50];

ofstream t1("lower.txt");ofstream t2("upper.txt");

if(t1&&t2){cout<<"ENTER "<<endl;

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gets(st);l=strlen(st);for(i=0;i<l;i++){if(islower(st[i]))t1<<st[i];if(isupper(st[i]))t2<<st[i];}}

getch();}//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>

struct name{char first[50],mid[50],last[50];};

struct phone{char area[50],exch[50];long no;};

class rec{name n;phone p;public :void reci();void disp();};

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void rec::reci(){clrscr();cout<<"Enter First Name :";cin>>n.first;cout<<endl;cout<<"Enter Mid Name :";cin>>n.mid;cout<<endl;cout<<"Enter Last Name :";cin>>n.last;cout<<endl;cout<<"Enter Area :";cin>>p.area;cout<<endl;cout<<"Enter Exchange :";cin>>p.exch;cout<<endl;cout<<"Enter No :";cin>>p.no;}

void rec::disp(){clrscr();cout<<endl;cout<<endl;cout<<"First Name :";cout<<n.first;cout<<endl;cout<<endl;

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cout<<"Mid Name :";cout<<n.mid;cout<<endl;cout<<endl;cout<<"Last Name :";cout<<n.last;cout<<endl;cout<<endl;cout<<"Area :";cout<<p.area;cout<<endl;cout<<endl;cout<<"Exchange :";cout<<p.exch;cout<<endl;cout<<endl;cout<<"No :";cout<<p.no;cout<<endl;cout<<endl;getch();}void main(){rec t;t.reci();t.disp();getch();}

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//Downloaded From www.c4cpp.co.nr//(C)2009.All rights reserved.#include<iostream.h>#include<conio.h>#include<dos.h>#include<stdio.h>#include<fstream.h>

struct stud{public:int rno;char name[50];int cls;float marks[5];};

struct res{int rnos;float total;char grade;float perc;};

void main(){clrscr();float tm;int i,ma;stud st;

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res rt;

ofstream gpj("stud.dat",ios::binary|ios::trunc);ofstream jpg("result.dat",ios::binary|ios::trunc);

if(!gpj||!jpg)cout<<"File Cannot Be Created"<<endl;int n;if(gpj&&jpg){cout<<"How mamy Students U Want to Enter ???? "<<endl;cin>>n;for(i=0;i<n;i++){cout<<"Enter Name"<<endl;gets(st.name);cout<<"Enter Roll No"<<endl;cin>>st.rno;cout<<"Enter Class"<<endl;cin>>st.cls;for(ma=0;ma<5;ma++){cout<<"Enter Marks in subj"<<ma+1<<endl;cin>>st.marks[ma];}

gpj.write((char*)&st,sizeof(st));

tm=st.marks[0]+st.marks[2]+st.marks[1]+st.marks[3]+st.marks[4];

rt.perc=tm/5;

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if(rt.perc>=75)rt.grade='A';if((rt.perc>=60)&&(rt.perc<75))rt.grade='B';if((rt.perc>=50)&&(rt.perc<60))rt.grade='C';if((rt.perc>=40)&&(rt.perc<50))rt.grade='D';if(rt.perc<40)rt.grade='F';rt.rnos=st.rno;

jpg.write((char*)&rt,sizeof(rt));

}}gpj.close();jpg.close();

int r,k=0;ifstream god("result.dat",ios::binary);if(!god){cout<<"File Erroe"<<endl;}else{god.seekg(0);cout<<endl<<"ENTER ROLL NO"<<endl;cin>>r;while(god.read((char*)&rt,sizeof(rt))){if(r==rt.rnos)

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{k++;cout<<" Roll no :"<<rt.rnos<<endl<<" Percentage :"<<rt.perc<<endl<<" Grade :"<<rt.grade;}}if(k==0)cout<<"Roll no not present"<<endl;god.close();}getch();}

BIBLIOGRAPH

Y1. Computer science (c++) –sumita arora

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2. Www.cplusplus.com

TEACHERS REMARKS

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You have scored_______ marks/grade

For a good attempt.

__________

Signature

STUDENTS REPORT CARD

//***************************************************************

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// HEADER FILE USED IN PROJECT//****************************************************************

#include<conio.h>#include<stdio.h>#include<process.h>#include<fstream.h>#include<iomanip.h>

//***************************************************************// CLASS USED IN PROJECT//****************************************************************

class student{ int rollno; char name[50]; int p_marks,c_marks,m_marks,e_marks,cs_marks; float per; char grade; int std; void calculate(){ per=(p_marks+c_marks+m_marks+e_marks+cs_marks)/5.0; if(per>=60) grade='A'; else if(per>=50 && per<60) grade='B'; else if(per>=33 && per<50) grade='C';else grade='F';

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} public:

void getdata(){ cout<<"\nEnter The roll number of student "; cin>>rollno; cout<<"\n\nEnter The Name of student "; gets(name); cout<<"\nEnter The marks in physics out of 100 : "; cin>>p_marks; cout<<"\nEnter The marks in chemistry out of 100 : "; cin>>c_marks; cout<<"\nEnter The marks in maths out of 100 : "; cin>>m_marks; cout<<"\nEnter The marks in english out of 100 : "; cin>>e_marks; cout<<"\nEnter The marks in computer science out of 100 : "; cin>>cs_marks;calculate(); }

void showdata(){ cout<<"\nRoll number of student : "<<rollno; cout<<"\nName of student : "<<name; cout<<"\nMarks in Physics : "<<p_marks; cout<<"\nMarks in Chemistry : "<<c_marks; cout<<"\nMarks in Maths : "<<m_marks; cout<<"\nMarks in English : "<<e_marks; cout<<"\nMarks in Computer Science :"<<cs_marks; cout<<"\nPercentage of student is :"<<setprecision(2)<<per; cout<<"\nGrade of student is :"<<grade;

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}

void show_tabular() {

cout<<rollno<<setw(12)<<name<<setw(10)<<p_marks<<setw(3)<<c_marks<<setw(3)<<m_marks<<setw(3)<<e_marks<<setw(3)<<cs_marks<<setw(6)<<setprecision(3)<<per<<" "<<grade<<endl;

}

int retrollno() {return rollno;}

}; //class ends here

//***************************************************************// global declaration for stream object, object//****************************************************************

fstream fp; student st;

//***************************************************************// function to write in file//****************************************************************

void write_student() { fp.open("student.dat",ios::out|ios::app); st.getdata();

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fp.write((char*)&st,sizeof(student)); fp.close(); cout<<"\n\nstudent record Has Been Created "; getch(); }

//***************************************************************// function to read all records from file//****************************************************************

void display_all(){ clrscr(); cout<<"\n\n\n\t\tDISPLAY ALL RECORD !!!\n\n"; fp.open("student.dat",ios::in); while(fp.read((char*)&st,sizeof(student)))

{ st.showdata(); cout<<"\n\n====================================\n"; getch(); }

fp.close(); getch();}

//***************************************************************// function to read specific record from file//****************************************************************

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void display_sp(int n){ int flag=0; fp.open("student.dat",ios::in); while(fp.read((char*)&st,sizeof(student)))

{ if(st.retrollno()==n)

{ clrscr(); st.showdata(); flag=1;}

} fp.close();if(flag==0) cout<<"\n\nrecord not exist"; getch();}

//***************************************************************// function to modify record of file//****************************************************************

void modify_student(){ int no,found=0; clrscr(); cout<<"\n\n\tTo Modify "; cout<<"\n\n\tPlease Enter The roll number of student";

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cin>>no; fp.open("student.dat",ios::in|ios::out); while(fp.read((char*)&st,sizeof(student)) && found==0)

{ if(st.retrollno()==no)

{ st.showdata(); cout<<"\nPlease Enter The New Details of student"<<endl; st.getdata(); int pos=-1*sizeof(st); fp.seekp(pos,ios::cur); fp.write((char*)&st,sizeof(student)); cout<<"\n\n\t Record Updated"; found=1; }

} fp.close(); if(found==0) cout<<"\n\n Record Not Found "; getch();}

//***************************************************************// function to delete record of file//****************************************************************

void delete_student() { int no; clrscr();

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cout<<"\n\n\n\tDelete Record"; cout<<"\n\nPlease Enter The roll number of student You Want To Delete"; cin>>no; fp.open("student.dat",ios::in|ios::out); fstream fp2; fp2.open("Temp.dat",ios::out); fp.seekg(0,ios::beg); while(fp.read((char*)&st,sizeof(student)))

{ if(st.retrollno()!=no)

{ fp2.write((char*)&st,sizeof(student)); }

} fp2.close(); fp.close(); remove("student.dat"); rename("Temp.dat","student.dat"); cout<<"\n\n\tRecord Deleted .."; getch(); }

//***************************************************************// function to display all students grade report//****************************************************************

void class_result() { clrscr(); fp.open("student.dat",ios::in); if(!fp)

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{ cout<<"ERROR!!! FILE COULD NOT BE OPEN\n\n\n Go To Entry Menu to create File"; cout<<"\n\n\n Program is closing ...."; getch(); exit(0); }

cout<<"\n\n\t\tALL STUDENTS RESULT \n\n"; cout<<"====================================================\

n"; cout<<"Roll No. Name P C M E CS %age Grade\n"; cout<<"====================================================\

n";

while(fp.read((char*)&st,sizeof(student))) { st.show_tabular();}

fp.close(); getch();}

//***************************************************************// function to display result menu//****************************************************************

void result() {

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int ans,rno; char ch; clrscr(); cout<<"\n\n\nRESULT MENU"; cout<<"\n\n\n1. Class Result\n\n2. Student Report Card\n\n3.Back to Main Menu"; cout<<"\n\n\nEnter Choice (1/2)? "; cin>>ans; switch(ans) { case 1 : class_result();break; case 2 : {

do{clrscr();char ans;cout<<"\n\nEnter Roll Number Of Student : ";cin>>rno;display_sp(rno);cout<<"\n\nDo you want to See More Result (y/n)?";cin>>ans;}while(ans=='y'||ans=='Y');

break; }

case 3: break; default: cout<<"\a"; } }

//***************************************************************// INTRODUCTION FUNCTION//****************************************************************

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void intro(){ clrscr(); gotoxy(35,11); cout<<"STUDENT"; gotoxy(33,14); cout<<"REPORT CARD"; gotoxy(35,17); cout<<"PROJECT"; cout<<"\n\nMADE BY : SULABH AGRAWAL"; cout<<"\n\nSCHOOL : CAMBRIDGE SCHOOL"; getch();

}

//***************************************************************// ENTRY / EDIT MENU FUNCTION//****************************************************************void entry_menu(){ clrscr(); char ch2; cout<<"\n\n\n\tENTRY MENU"; cout<<"\n\n\t1.CREATE STUDENT RECORD"; cout<<"\n\n\t2.DISPLAY ALL STUDENTS RECORDS"; cout<<"\n\n\t3.SEARCH STUDENT RECORD "; cout<<"\n\n\t4.MODIFY STUDENT RECORD"; cout<<"\n\n\t5.DELETE STUDENT RECORD"; cout<<"\n\n\t6.BACK TO MAIN MENU";

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cout<<"\n\n\tPlease Enter Your Choice (1-6) "; ch2=getche(); switch(ch2) { case '1': clrscr();

write_student(); break;

case '2': display_all();break; case '3':

int num; clrscr(); cout<<"\n\n\tPlease Enter The roll number "; cin>>num; display_sp(num); break;

case '4': modify_student();break; case '5': delete_student();break; case '6': break; default:cout<<"\a";entry_menu(); }}

//***************************************************************// THE MAIN FUNCTION OF PROGRAM//****************************************************************

void main(){ char ch; intro();

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do {

clrscr(); cout<<"\n\n\n\tMAIN MENU"; cout<<"\n\n\t01. RESULT MENU"; cout<<"\n\n\t02. ENTRY/EDIT MENU"; cout<<"\n\n\t03. EXIT"; cout<<"\n\n\tPlease Select Your Option (1-3) "; ch=getche(); switch(ch) {

case '1': clrscr(); result(); break;

case '2': entry_menu(); break;

case '3':exit(0); default :cout<<"\a";

} }while(ch!='3');}

//***************************************************************// END OF PROJECT//***************************************************************

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