1. FIBONACCI SERIES. Write a C++ program to generate the Fibonacci for n terms. To write a C++ program to generate the Fibonacci for n terms.

Transcription

1 PROBLEM: 1. FIBONACCI SERIES 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

2 PROBLEM: 2. FACTORIAL OF A NUMBER 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<iostream.h> #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(); EXECUTION AND OUTPUT: Enter the value. 5 Factorial of given number is

3 PROBLEM: 3. NUMBER IN WORDS 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<iostream.h> #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(); EXECUTION AND OUTPUT: Enter the number 2 TWO Enter the number 11 INVALID INPUT

4 PROBLEM: 4. PALINDROME 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 ( ); EXECUTION AND OUTPUT: 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 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<iostream.h> #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(); EXECUTION AND OUTPUT: Enter the value of n 5 Enter the value one by one No. of even no s 2 No. of odd no s 3

6 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<iostream.h> #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();

7 EXECUTION AND OUTPUT Enter matrix in row wise The given matrix is Transpose matrix is

8 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<iostream.h> #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';

9 cout<<'\n'; getch(); EXECUTION AND OUTPUT Enter mata in row wise Enter matb in row wise Sum of matrix is

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<iostream.h> #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(); EXECUTION AND OUTPUT Enter the number The given number is a prime number Enter the number The given number is not a prime number

11 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<iostream.h> #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;

12 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( ); EXECUTION AND OUTPUT Enter the ename, empno,basic,hra,da.. SURESH KUMAR Employee Name.: SURESH KUMAR Employee Empno : 003 Employee Basic : Employee Hra..: 2250 Employee Da : 750 Employee Netpay.: 16000

13 PROBLEM: AIM: 10. MAXIMUM OF TWO NUMBERS OR THREE NUMBERS 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) 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);

14 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( ); EXECUTION AND OUTPUT 1. Maximum of two numbers 2. Maximum of three numbers Enter your choice 1 Enter the two numbers Maximum of two numbers 2. Maximum of three numbers Enter your choice 2 Enter the three numbers

15 PROBLEM: 11. SUM AND DIFFERENCE 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( )

16 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( );

17 EXECUTION AND OUTPUT Add Subtract Enter your choice 1 Enter the numbers The sums of two numbers are 60 Add Subtract Enter your choice 2 Enter the numbers The differences of two numbers are 15

18 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<iostream.h> #include<conio.h> void main ( ) clrscr( ); char name[ ]="COMPUTER"; int i=1; while(i<9) cout.write(name,i); cout<<'\n'; i++; getch( ); EXECUTION AND OUTPUT C CO COM COMP COMPU COPMUT COMPUTE COMPUTER

19 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

20 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 Edit Cut from menu or Ctrl + X from keyboard Place the insertion point in the desired location Select Edit Paste 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 Edit Copy from menu or Ctrl + C from keyboard

21 Place the insertion point in the desired location Select Edit Paste from menu or Ctrl + V from keyboard To find Heaven and Replace with God Select Edit Find & 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

22 Output: Heaven from all creatures hides the book of fate All but the page prescribe the present state A hero perishes or a sparrow fall God from all creatures hides the book of fate All but the page prescribe the present state A hero perishes or a sparrow fall

23 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: Start All programs Star office 8 StarOffice Writer. 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

24 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 Heaven from all creatures hides the book of fate All but the page prescribe the present state A hero perishes or a sparrow fall This is the destiny of life 1

25 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: Start All programs Star office 8 StarOffice Writer. 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 Sanjay John Paul Arjun Siddharth To change the borders, line style and background color of table

26 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 Sanjay John Paul Arjun Siddharth Gowtham Sarvesh

27 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

28 Enter the formulae = AVERAGE ( B2 : B6 ) in cell B7 Select the range B7 to D7 Select Edit Fill Right from the menu.

29 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: Start All programs Star office 8 StarOffice Calc. 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.

30 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

31 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 Edit Delete 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:

32

33 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, c. 33, 30,.3. Aim: To generate the given series using Fill command. Procedure: Start All programs Star office 8 StarOffice Calc. 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, Select the range C1 to C20 Select Edit Fill Series Select Down under Direction 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

34 To generate the series 33, 30,.3. Select the range E1 to E20 Select Edit Fill Series Select Down under Direction 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:

35 Prepared by Mr. Suresh Kumar.