aim: program coding - · write a c++ program by using switch case structure to display the...

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1. FIBONACCI SERIES

PROBLEM:

Write a C++ program to generate the Fibonacci for n terms.

AIM:

To write a C++ program to generate the Fibonacci for n terms.

PROGRAM CODING:

#include<iostream.h>

#include<conio.h>

void main()

{

int f1= -1,f2=1,f3;

int i,n;

cout<<"\n Enter the no of terms….";

cin>>n;

cout<<"\n Fibonacci series is …"<<’\n’;

for(i=1;i<=n;i++)

{

f3=f1+f2;

cout<<f3<<'\n';

f1=f2;

f2=f3;

}

getch();

}

EXECUTION AND OUTPUT:

Enter the no of terms….10

Fibonacci series is …

0

1

1

2

3

5

8

13

21

34



2. FACTORIAL OF A NUMBER

PROBLEM:

Write a C++ program using Function to find the factorial of a given number

AIM:

To write a C++ program using Function to find the factorial of a given number

PROGRAM CODING:


#include<conio.h>

unsigned long int fact(int n)

{

int f=1;

for(int i=1;i<=n;i++)

f*= i;

return (f);

}

void main()

{

int a;

clrscr();

cout<<"\n Enter the value….";

cin>>a;

cout<<"\n Factorial of given number is . . ."<<fact(a);

getch();

}


Enter the value…. 5

Factorial of given number is . .. 120



3. NUMBER IN WORDS

PROBLEM:

Write a C++ program by using Switch case structure to display the given number

in words.( numbers between 1 to 9)

AIM:

To write a C++ program by using Switch case structure to display the given

number in words.( numbers between 1 to 9)


#include<conio.h>

void main()

{

int n;

clrscr();

cout<<"\n Enter the number…";

cin>>n;

switch(n)

{

case 1:cout<<"\n ONE";break;

case 2:cout<<"\n TWO";break;

case 3:cout<<"\n THREE";break;

case 4 :cout<<"\n FOUR";break;

case 5 :cout<<"\n FIVE";break;

case 6 :cout<<"\n SIX";break;

case 7 :cout<<"\n SEVEN";break;

case 8 :cout<<"\n EIGHT";break;

case 9 :cout<<"\n NINE";break;

default :cout<<"\n INVALID INPUT";break;

}

getch();

}


Enter the number…2

TWO

Enter the number…11

INVALID INPUT



4. PALINDROME

PROBLEM:

Write a C++ program to check whether the given string is PALINDROME or NOT.

AIM:

Write a C++ program to check whether the given string is PALINDROME or NOT.

PROGRAM CODING:

#include<iostream.h> (or)

#include<conio.h>

#include<string.h>

#include<stdio.h>

void main()

{

char str[50],rstr[50];

clrscr( );

cout<<”\n Enter the string….”;

gets(str);

strcpy(rstr, str);

strrev(rstr);

cout<<"\n Reversed string is…"<<rstr;

if(strcmp(str,rstr)==0)

cout<<"\n Given string is a palindrome";

else

cout<<"\n Given string is not a palindrome” ;

getch ( );

}


Enter the string… MADAM

Reversed string is…MADAM

Given string is a palindrome

Enter the string… SURESH

Reversed string is…HSERUS

Given string is not a palindrome



5. NUMBER OF ODD AND EVEN NUMBERS

PROBLEM:

Write a C++ program to find the number of Odd and Even numbers in a given array.

AIM:

To write a C++ program to find the number of Odd and Even numbers in a given array.

PROGRAM CODING:


#include<conio.h>

void main()

{

int x[100],n,i,even=0,odd=0;

clrscr();

cout<<"\n Enter the value of n…";

cin>>n;

cout<<"\n Enter the value one by one…"<<’\n’;

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

{

cin>>x[i];

if(x[i]%2==0)

even++;

else

odd++;

}

cout<<"\n No. of even no’s…"<<even;

cout<<"\n No. of odd no’s…"<<odd;

getch();

}


Enter the value of n…5

Enter the value one by one…

1

2

3

4

5

No. of even no’s…2

No. of odd no’s…3



6. TRANSPOSE OF 3 x 3 MATRIX

PROBLEM:

Write a C++ program to Transpose a 3 x 3 matrix

AIM:

To write a C++ program to Transpose a 3 x 3 matrix.

PROGRAM CODING:


#include<conio.h>

void main()

{

int matA[3][3];

int i,j;

clrscr();

cout<<"\n Enter matrix in row wise . . ."<<’\n’;

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>matA[i][j];

}

}

cout<<"\n The given matrix is . . "<<’\n’;

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<matA[i][j]<<'\t';

}

cout<<'\n';

}

cout<<"\n Transpose matrix is . ."<<’\n’;

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<matA[j][i]<<'\t';

}

cout<<'\n';

}

getch();



EXECUTION AND OUTPUT

Enter matrix in row wise . . .

1

2

3

4

5

6

7

8

9

The given matrix is . .

1 2 3

4 5 6

7 8 9

Transpose matrix is . .

1 4 7

2 5 8

3 6 9



7. ADDITION OF TWO MATRICES

PROBLEM:

Write a C++ program to add two 3 x 3 matrices

AIM:

To write a C++ program to add two 3 x 3 matrices.

PROGRAM CODING:


#include<conio.h>

void main()

{

int matA[3][3],matB[3][3],matC[3][3];

int i,j;

clrscr();

cout<<"\n Enter matA in row wise . .\n ";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>matA[i][j];

}

}

cout<<"\n Enter matB in row wise . .\n ";

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cin>>matB[i][j];

}

}

cout<<"\n Sum of matrix is . ."<<’\n’;

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

matC[i][j]=matA[i][j]+matB[i][j];

}}

for(i=0;i<3;i++)

{

for(i=0;i<3;i++)

{

cout<<matC[i][j]<<'\t';



}

cout<<'\n';

}

getch();

}


Enter matA in row wise . .

1

2

3

4

5

6

7

8

9

Enter matB in row wise . .

9

8

7

6

5

4

3

2

1

Sum of matrix is . .

10 10 10

10 10 10

10 10 10



8. PRIME NUMBER

PROBLEM:

Write a C++ program using Function to determine whether the given number is

PRIME or NOT.

AIM:

To write a C++ program using Function to determine whether the given number is

PRIME or NOT.

PROGRAM CODING:


#include<conio.h>

void prime(int x)

{

for(int i=2;i<x;i++)

if(x%i= =0)

{

cout<<x<<"\n The given number is not a prime number ";

return;

}

cout<<x<<"\n The given number is a prime number ";

return;

}

void main()

{

int n;

clrscr();

cout<<"\n Enter the number . . .";

cin>>n;

prime(n);

getch();

}


Enter the number. .. 11

The given number is a prime number

Enter the number. .. 20

The given number is not a prime number



9. NET PAY

PROBLEM:

Write a C++ program to define a class employee with following specifications

Private members of class employee

Empno - interger

Ename - 20 characters

Basic - float

Netpay, hra, da - float

Calculate( ) – A function to find the basic+hra+da with float return type

Public member function

havedata( ) – A function to accept values for empno,ename,basic, hra, da and

call calculate ( ) to compute netpay

dispdata( ) – A function to display all the data members on the screen.

AIM:

To Write a C++ program to find out the net pay of an employee using classes.

PROGRAM CODING:


#include<conio.h>

class employee

{

private:

int empno;

char ename[20];

float basic,netpay,hra,da;

float calculate( )

{

netpay = basic+hra+da;

return netpay;

}

public:

void havedata( )

{

cout<<”\n Enter the ename, empno,basic,hra,da…..”<<’\n’;

cin>>ename>>empno>>basic>>hra>>da;

calculate( );

}

void dispdata( )

{

cout<<”\n Employee Name……….:”<<ename;

cout<<”\n Employee Empno……….:”<<empno;

cout<<”\n Employee Basic……….:”<<basic;



cout<<”\n Employee Hra……….:”<<hra;

cout<<”\n Employee Da……….:”<<da;

cout<<”\n Employee Netpay……….:”<<netpay;

}

};

void main( )

{

clrscr( );

employee emp;

emp.havedata( );

emp.dispdata( );

getch( );

}


Enter the ename, empno,basic,hra,da…..

SURESH KUMAR

003

13000

2250

750

Employee Name……….: SURESH KUMAR

Employee Empno………: 003

Employee Basic…………: 13000

Employee Hra…………..: 2250

Employee Da……………: 750

Employee Netpay……….: 16000



10. MAXIMUM OF TWO NUMBERS OR THREE NUMBERS

PROBLEM:

Write a C++ program that uses function overloading to do the following tasks.

a) Find the maximum of two numbers (integers)

b) Find the maximum of three numbers (integers)

AIM:

To write a C++ program to find the maximum of two numbers or maximum of

three numbers using overloading.

PROGRAM CODING

# include<iostream.h>

# include<conio.h>

int max ( int a, int b)

{

if ( a>b)

return (a);

else

return(b);

}

int max ( int a, int b, int c)

{

if ( a>b && a>c)

return (a);

else if(b>c)

return(b);

else

return (c);

}

void main( )

{

int x , y, z, ch;

clrscr( );

cout<<”\n\n1. Maximum of two numbers”;

cout<<”\n\n2. Maximum of three numbers”;

cout<<”\n\n Enter your choice…”;

cin>>ch;

switch(ch)

{

case 1:

cout<<”\n Enter the two numbers…”<<’\n’;

cin>>x>>y;

cout<<max(x, y);



break;

case 2:

cout<<”\n Enter the three numbers…”<<’\n’;

cin>>x>>y>>z;

cout<<max(x, y, z);

break;

default:

cout<<”\n Exit”;

}

getch( );

}


1. Maximum of two numbers

2. Maximum of three numbers

Enter your choice…1

Enter the two numbers…

20

30

30

1. Maximum of two numbers

2. Maximum of three numbers


Enter the three numbers…

20

35

15

35



11. SUM AND DIFFERENCE

PROBLEM:

Write a C++ program to find the sum and difference of two numbers using

inheritance.

Add Subtract

public add( ),accept ( ), Plus ( ) subtract( ), minus ( )

private sum sub

protected num1, num2

AIM:

To write a C++ program to find the sum and difference of two numbers using

inheritance.

PROGRAM CODING

# include<iostream.h>

# include<conio.h>

class add

{

private:

int sum;

protected:

int num1,num2;

public:

add( )

{

num1=num2= sum=0;

cout<<”\n Add constructor..”;

}

void accept( )

{

cout<<”\n Enter the numbers…”<<’\n’;

cin>>num1>>num2;

}

void plus( )

{

sum= num1+num2;

cout<<”\n The sum of two numbers are….”<<sum;

}

};

class subtract : public add

{

int sub;

public:

subtract( )



{

sub=0;

cout<<”\n Subtract constructor..”;

}

void minus( )

{

add : : accept( );

sub= num1 – num2;

cout<<”\n The differences of two numbers are…”<<sub;

}

};

void main( )

{

subtract s;

int ch;

clrscr( );

cout<<”\n 1. Add”;

cout<<”\n 2. subtract”;

cout<<”\n Enter your choice….”;

cin>>ch;

switch( ch)

{

case 1:

s.accept( );

s. plus( );

break;

case 2:

s.minus( );

break;

default:

cout<<”\n Exit”;

}

getch( );

}




Add

Subtract


Enter the numbers…

25

35

The sums of two numbers are…60

Add

Subtract


Enter the numbers…

50

35

The differences of two numbers are…15



PROBLEM:

Write a C++ program to get following output

C

CO

COM

COMP

COMPU

COPMUT

COMPUTE

COMPUTER

AIM:

To write a C++ program to display a string pattern

PROGRAM CODING:


#include<conio.h>

void main ( )

{

clrscr( );

char name[ ]="COMPUTER";

int i=1;

while(i<9)

{

cout.write(name,i);

cout<<'\n';

i++;

}

getch( );

}


C

CO

COM

COMP

COMPU

COPMUT

COMPUTE

COMPUTER



SECTION B

C++

EX.NO DESCRIPTION

1

FIBONACCI SERIES

2

FACTORIAL OF A GIVEN NUMBER USING FUNCTION

3

NUMBER IN WORDS – USING SWITCH

4

PALINDROME OT NOT

5

NUMBER OF EVEN AND ODD NUMBERS

6

TRANSPOSE OF 3x3 MATRIX

7

ADDITION OF TWO MATRICES

8

PRIME NUMBER OR NOT

9

NET PAY – USING CLASSES

10

MAXIMUM OF TWO AND THREE NUMBERS USING OVERLOADING

11

SUM AND DIFERENCE OF TWO NUMBERS – USING INHERITANCE

12

DISPLAY A STRING PATTERN



1. TEXT EDITING AND FORMATTING

Question: Enter the given text

Heaven from all creatures hides the book of fate

All but the page prescribe the present state

A hero perishes or a sparrow fall

Apply the following commands to the text given above

a) Cut, Copy, Paste using Mouse and Keyboard shortcut keys

b) Find “Heaven” and Replace with “God”

c) Change the font style and color

d) Align the first line by left, right, center and justify alignments

e) Align the second line by bulleted or numbered lists

f) Correct typographical mistake using Autocorrect option

Aim:

1. To enter the given text

2. To perform Cut, Copy, Paste using Mouse and Keyboard shortcut keys

3. To find “Heaven” and Replace with “God”

4. To change the font style and color

5. To align the first line by left, right, center and justify alignments

6. To align the second line by bulleted or numbered lists

7. To correct typographical mistake using Autocorrect option

Procedure:

Start All programs Star office 8 StarOffice Writer.

Enter the given text

To perform Cut and Paste using Mouse and Keyboard shortcut keys

Select the text to be moved

Select EditCut from menu or Ctrl + X from keyboard

Place the insertion point in the desired location

Select EditPaste from menu or Ctrl + V from keyboard

To perform Copy and Paste using Mouse and Keyboard shortcut keys

Select the text to be copied

Select EditCopy from menu or Ctrl + C from keyboard



Place the insertion point in the desired location

Select EditPaste from menu or Ctrl + V from keyboard

To find “Heaven” and Replace with “God”

Select EditFind & Replace from menu

Enter the word “Heaven” in Search for text box

Enter the word “God” in Replace with text box

Click on Replace All to replace all the occurrences

To change the font style and color

Select the text whose font style and color is to be changed

Select Format Character from menu

Click on Font tab and select the required style from the list

Click on Font effects and select the desired color from the Font color

drop down list

Click OK

To align the first line by left, right, center and justify alignments

Select the paragraph to be aligned

To left align press Ctrl + L from keyboard

To right align press Ctrl + R from keyboard

To center align press Ctrl + E from keyboard

To justify press Ctrl + J from keyboard

To align the second line by bulleted or numbered lists

Select the second line

Select Format Bullets and Numbering from menu

Select the required style from the list

Click OK

To correct typographical mistake using Autocorrect option

Select Tools Autocorrect from menu

Enter the misspelled word in Replace text box

Enter the correct word in With text box

Click on New button

Click OK



Output:




God from all creatures hides the book of fate All but the page prescribe the present state




2. PAGE FORMATTING

Question:

Create a text with four lines. To the text increase or decrease the margin by ½

inch. Change the original setting using ruler option. Change the page orientation. Insert

Topic name as Header and Page number as Footer.

Aim:

1. To enter four lines of text

2. To change the original setting using ruler option.

3. To increase or decrease the margin by ½ inch and change page orientation

4. To insert topic name as Header and page number as Footer.

Procedure:


Enter four lines of text

To change the original setting using ruler option.

Click on View Ruler to display the ruler if not visible

Move the mouse pointer between white and grey area, when it is in the right

position

It changes to double headed arrow

Press and hold down the left mouse button and drag to resize.

To change the margin and page orientation.

Click on Format Page, select Page tab

Change the Left and Right margin value using spin arrows under Margins

Select Landscape radio button under orientation

Click OK

To insert topic name as Header and page number as Footer.

Click on Format Page, select Header tab

Click on Header on check box

Click on Format Page, select Footer tab

Click on Footer on check box

Click OK



Header and Footer area seen separately by a thin lined box at the top and bottom

respectively.

Place the insertion point in the Header area and enter the topic name.

Place the insertion point in the Footer area

Select Insert Fields Page Number from the menu to add page number to

footer.

Output:

Book of Fate




This is the destiny of life

1



3. TABLE CREATION

Question:

Create a table and enter the names of the five students and marks in three subjects.

Change the borders, line style and background color of table. Add two more names and

marks respectively.

Aim:

To create a table and enter the names of the five students and marks in three

subjects, change the borders, line style and background color of table and add two

more names

and marks respectively.

Procedure:


To create a table and enter data

Select Table Insert Table from menu

Enter Marks in Name text box.

Enter 4 in Columns spin box.

Enter 6 in Rows spin box.

Click OK

A blank table with 4 columns and 6 rows is created.

Enter the data in the table using TAB and Shift + Tab to move forward and

backward in a table respectively.

Name Physics Chemistry Maths

Kailash 156 160 180

Sanjay 170 145 164

John Paul 157 190 200

Arjun 177 183 172

Siddharth 174 190 188

To change the borders, line style and background color of table



Select the table, table formatting toolbar is displayed

Click Border icon from the table formatting toolbar, select the required style

from the list.

Click Line style icon from the table formatting toolbar, select the required style

from the list.

Click Background icon from the table formatting toolbar, select the required

color from the color palette.

To add two more names and marks

Select Table Insert Rows from menu

Enter 2 in the Amount spin box

Click OK

Enter the data name and marks under the respective heading.

Output:

Name Physics Chemistry Maths

Kailash 156 160 180

Sanjay 170 145 164

John Paul 157 190 200

Arjun 177 183 172

Siddharth 174 190 188

Gowtham 159 160 195

Sarvesh 183 172 200



4. WORKSHEET – MARKLIST

Question:

Create a worksheet to enter the names and marks of five students in three

subjects. Find the class average for one subject and copy using Fill to others.

Aim:

To create a worksheet and enter the names and marks of five students in three

subjects. Find the class average for one subject and copy using Fill to others.

Procedure:

Start All programs Star office 8 StarOffice Calc.

To enter the names and marks of five students in three subjects.

Enter Name in cell A1

Enter Physics in cell B1

Enter Chemistry in cell C1

Enter Maths in cell D1

Enter the details of five students under each heading respectively, using TAB and

Shift + Tab to move forward and backward in worksheet.

.

To find the class average for one subject and copy using Fill command.

Type Sub-Average in cell A7



Enter the formulae = AVERAGE ( B2 : B6 ) in cell B7

Select the range B7 to D7

Select Edit Fill Right from the menu.



5. WORKSHEET – EMPLOYEE GROSS PAY CALCULATION

Question:

Create a worksheet to enter the following details for five employees.

a. Employee Name, Employee number, Basic pay, DA, CCA, HRA

b. Calculate Gross pay using formulae.

c. Change the Row height and Column width.

d. Sort the record in alphabetical order of employee names.

e. Add two more employee details.

f. Delete one employee detail.

g. Create a Line or Pie chart to show the variation of Basic pay.

Aim:

To create a worksheet to enter the following details for five

To calculate Gross pay using formulae.

To change the Row height and Column width.

To sort the record in alphabetical order of employee names.

To add two more employee details.

To delete one employee detail.

To create a Pie chart to show the variation of Basic pay.

Procedure:


To enter the following details for five

Enter EmpNo in cell A1

Enter EmpName in cell B1

Enter Basic in cell C1

Enter DA in cell D1

Enter CCA in cell E1

Enter HRA in cell F1

Enter Gross Pay in cell G1

Enter the details of five employees under each heading respectively, using TAB

and Shift + Tab to move forward and backward in worksheet.



To calculate Gross pay using formulae.

Enter the formulae = SUM ( C2 : F2 ) in cell G2

Select the range G2 to G6

Select Edit Fill Down

To change the Row height and Column width.

Select Format Row Height from menu, to change the row height, enter

new value and click OK

Select Format Column Width from menu, to change the column width,

enter new value and click OK

To sort the record in alphabetical order of employee names.

Select the range A2 to G6

Select Data Sort from menu

Select Name from the drop down list under Sort by



Select Ascending radio button

Click OK

To add two more employee details.

Place the cell pointer in A7 and enter the details of two employees under each

heading respectively, using TAB and Shift + Tab to move forward and backward in

worksheet.

To delete one employee detail.

Select the row to be deleted by clicking on the Row header

Select EditDelete Cells from menu

Select Delete entire row(s) radio button

Click OK

To create a Pie chart to show the variation of Basic pay.

Select Insert Chart

Select the range C2 to C7

Click on the worksheet area where chart is to be placed.

Click Next

Select Pie chart from the list and Select Column radio button

Click Create

Output:



6. WORKSHEET – FILL SERIES

Question:

Generate the following series using Star calc.

a. 3/5/00, 3/12/00, 3/19/00 ……….5/28/00.

b. 16, 32, 64,……2048.

c. 33, 30, ……….3.

Aim:

To generate the given series using Fill command.

Procedure:


To generate the date series 3/5/00, 3/12/00, 3/19/00 ……….5/28/00.

Select the range A1 to A20

Select Edit Fill Series

Select Down under Direction

Select Date under Series type

Select Day under Time unit

Enter 3/5/00 in Start value text box

Enter 5/28/00 in End value text box

Enter 7 in the Increment text box

Click OK

To generate the series 16, 32, 64,……2048.

Select the range C1 to C20



Select Growth under Series type

Enter 16 in Start value text box

Enter 2048 in End value text box

Enter 2 in the Increment text box

Click OK



To generate the series 33, 30, ……….3.

Select the range E1 to E20



Select Linear under Series type

Enter 33 in Start value text box

Enter 3 in End value text box

Enter -3 in the Increment text box

Click OK

Output:



Prepared by Mr. Suresh Kumar.

aim: program coding - · write a c++ program by using switch case structure to display the...

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