1. Appendix Lab Manual for Programming Skills 1

2. How to work with VC++ 2

3. C++ PROGRAMING To Make C++ program? File  New  win 2 console application  write project name  OK  Finish  OK OR File  New c++ source File  write File name  OK 3

4. Start Page in Visual C++ 2008 Express Edition. Start Page tab New Project tab Hidden windows Start Page links 4

5. New Project dialog. 5 Visual C++ Win32 Console Application (selected) Template types Description of selected project template (provided by Visual Studio) Type in the project name

6. Win32 Application Wizard Application Settings dialog. 6

7. Solution Explorer. 7 Solution Explorer with an open project New tab displaying Welcome.cpp source code Welcome.cpp in the Source Files folder of the Welcome project

8. Standard toolbar in Visual Studio. 8 New Project Open FileSave AllCopyUndo Navigate backward Start Solution Configurations Add Item Save Cut Paste Navigate forward Solution Platforms Find in Files FindSolution Explorer Properties window Toolbox window Command window Object browser Start Page Redo

9. C++ PROGRAMING To Compile the C++ program? Build  Compile.cpp select compile icon  from the menu bar or press CTRL + F7 9

10. C++ PROGRAMING To Execute the C++ program? 1-Bulid  Execute.exe 2- select Execute icon  from the menu bar 3-press CTRL + F5 10

11. Symbols used in Writing Programs { opening curly bracket } closing curly bracket # hash sign or number sign (shift+3) ( ) small brackets “aaaa ”double quotes ‘ aaaa ‘ single quotes, comma ; semicolon void main( ) main function // is used for making comment in one line /* is used for making comment in block form */ 11

12. Unit: 1 Objective: To understand the concept of comments, input,output Statements and data types. //PROGRAM-1 to demonstrate cout... COMMENTS // is used for making comment in program #include //PREPROCESSOR void main( ) // FUNCTION WITH RETURN TYPE VOID {//Beginning cout<<"WELCOME TO VC++ World "<<endl; // cout IS AN OBJECT IN C++, endl IS END OF LINE, cout<<“Warning! Get ready”<<endl; //; IS CALLED TERMINATOR. }// End 12

13. Unit: 1 Program Explanation #include Include directive tells the compiler Where to find information about input and output that are used in Your program cout (see-out) used for output to the monitor “<<“ is the insertion operator ‘\n’ causes a new line to be started on the monitor 13

14. Unit: 1 //PROGRAM-2 to demonstrate cin cout (int, float,char)... #include void main( ) { int a; float b; char c; cout<<"ENTER AN INTEGER VALUE"<<endl; cin>>a; cout<<"ENTER A FLOAT VALUE"<<endl; cin>>b; cout<<"ENTER A CHARACTER OR Alphabet"<<endl; cin>>c; cout<<"INTEGER= "<<a<<"\tFLOAT= "<<b<<"\tCHARECTER= "<<c<<endl; } 14

15. Unit: 1 Program Explanation cin >> a; cin (see-in) used for input from the keyboard “>>” extracts data from the keyboard Think of cin as a name for the keyboard “>>” points from the keyboard to a variable where the data is stored 15

16. Unit: 1 //PROGRAM-3 to find Sum and Average of two numbers. #include void main( ) { folat a,b; float sum,avg; cout<<"ENTER TWO NUMBERS"<<endl; cin>>a>>b; sum = a + b; avg = sum/2; cout<<"SUM = "<<sum<<"\n AVARAGE = "<<avg<<endl; } 16

17. Unit: 1 //PROGRAM-4 to find Sum and Average of three numbers. #include void main( ) { folat a,b,c; float sum,avg; cout<<"ENTER THREE NUMBERS"<<endl; cin>>a>>b>>c; sum = a + b + c; avg = sum/3; cout<<"SUM = "<<sum<<"\n AVARAGE = "<<avg<<endl; } 17

18. Uint: 1 Check Your Programming skills: Write a C++ program to find the difference between two Numbers? Write a C++ program to find the product of three numbers? Convert feet to inches given 1 feet= 12 inches? 18

19. Unit: 2 Objectives: To implement the concept of operators // PROGRAM-5 to find area of a circle. #include void main( ) { float r,area; const float pi=3.147; cout<<"ENTER RADIUS OF CIRCLE"<<endl; cin>>r; area = pi*r*r; cout<<"AREA OF CIRCLE = "<<area<<endl; } 19

20. Unit: 2 //Program -6 to display Pay slip of an employee #include void main () { double GSal,NSal,ded,basic,da; const double Housing=1000.00, TA=500.00; cout<<"Enter Basic Salary\n"; cin>>basic; cout<<"Enter Deduction Amount\n"; cin>>ded; da=basic*0.2; GSal=basic+da+Housing+TA; NSal=GSal-ded; 20

21. Unit: 2 ….. cout<<"\t\t\t\tBasic:\t"<<basic<<endl; cout<<"\t\t\t\tDA:\t"<<da<<endl; cout<<"\t\t\t\tHousing:\t"<<Housing<<endl; cout<<"\t\t\t\tTravelling:\t"<<TA<<endl; cout<<"\t\t\t\tGross salary:\t"<<GSal<<endl; cout<<"\t\t\t\tDeduction:\t"<<ded<<endl; cout<<"\t\t\t\tNet Salary:\t"<<NSal<<endl<<endl<<endl; } 21

22. Unit: 2 Check Your Programming skills Write a C++ program to find the area of Square? Write a C++ program to find the volume of Square? Convert centigrade to Fahrenheit given F=((C/5)*9) + 32? Write a C++ program to create an invoice of item? 22

23. Unit: 3 Objectives:To understand the concepts of conditional statements Or control structure.( if – else ) //Program -7 to find Number is MAX or MIN #include void main() { int a,b; cout<<"Enter two numbers\n"; cin>>a>>b; if(a>b) cout<<a<<" is MAXIMUM "<<b<<" is MINIMUM\n"; else cout<<b<<" is MAXIMUM "<<a<<" is MINIMUM\n"; } 23

24. Unit: 3 //Program -8 to find number is ODD OR EVEN #include void main() { int num; cout<<"Enter a number\n"; cin>>num; if(num%2==0) cout<<num<<" is an Even Number\n"; else cout<<num<<" is an Odd Number\n"; } 24

25. Unit: 3 //Program -9 to find the Grade of students #include void main() { int mark; char grade; cout<<"Enter mark"; cin >> mark; if(mark >= 90 && mark <= 100 ) grade='A'; if(mark >= 80 && mark <= 89 ) grade='B'; 25

26. Unit: 3 …… if(mark >= 70 && mark <= 79 ) grade='C'; if(mark >= 60 && mark <= 69 ) grade='D'; if(mark < 60 ) grade='F'; cout<<"Mark"<<"\t"<<"Grade"<<endl; cout<<mark<<"\t"<<grade<<endl; } 26

27. Unit: 3 Check Your Programming Skills: Write a C++ program to find the largest among three numbers by using if-else? Write a C++ program to find whether the given number is Prime number or not by using if-else? Write a C++ program to find whether the given number is divisible of 5 or not by using if-else? 27

28. Unit: 4 Objectives:To understand the concepts of conditional statements Or control structure.( Switch – Case ) //Program-10 to check the day of week by using SWITCH-CASE #include void main() { int x; cout<<"Enter number"<<endl; cin>>x; switch(x) { case 1: cout<<"Saturday"<<endl; break; 28

29. Unit: 4 …… case 2: cout<<"Sunday"<<endl; break; case 3: cout<<"Monday"<<endl; break; case 4: cout<<"Tuesday"<<endl; break; case 5: cout<<"Wednesday"<<endl; break; 29

30. Unit: 4 …… case 6: cout<<"Thursday"<<endl; break; case 7: cout<<"Friday"<<endl; break; default: cout<<"Error"<<endl; } } 30

31. Unit: 4 // Program- 11 Menu driven program ( +, *, -, %) using switch case statement #include void main() { int n1, n2; char op; cout > n1; cout > n2; cout > op; switch (op) { case '*‘:cout<<n1<<op<<n2<<"="<<(n1*n2)<<endl;break; 31

32. Unit: 4 ….. case '/‘:cout<<n1<<op<<n2<<"="<<(n1/n2)<<endl;break; case '+‘:cout<<n1<<op<<n2<<"="<<(n1+n2)<<endl;break; case '-‘:cout<<n1<<op<<n2<<"="<<(n1-n2)<<endl;break; default:cout<<"Invalid oprator"<<endl;break; } 32

33. Unit: 4 Check Your Programming Skills: Write a C++ program to find month of years by using a switch case statement? Write a menu driven program to calculate different currency Conversions? 33

34. Unit: 5 Objectives:To understand the concepts of conditional statements Or control structure.( Loops: FOR, WHILE, DO WHILE ) // Program-12 to print natural numbers from 1 to 30 using FOR loop #include void main() { int i; for (i=0;i<=30;i++) { cout<<" "<<"i="; cout<<i<<endl; } } 34

35. Unit: 5 // Program-13 to print natural numbers from 1 to 30 using WHILE loop #include void main() { int a=1; while(a<=30) { cout<<a<<endl; a++; } } 35

36. Unit: 5 // Program-14 to print natural numbers from 1 to 30 using DO WHILE loop #include void main() { int a=1; do { cout<<a<<endl; a++; } while(a<=30); } 36

37. Unit: 5 //Program -15 to display first 10 Odd numbers using FOR loop #include void main() { int i; for (i=1;i<=20;i=i+2) cout<<" i="<<i<<endl; } 37

38. Unit: 5 //Program-17 to display first 10 Odd numbers using WHILE loop #include void main() { int a=1; while(a<=20) { cout<<a<<endl; a=a+2; } } 38

39. Unit: 5 //Program-18 to display first 10 Odd numbers using DO WHILE loop #include void main() { int a=1; do { cout<<a<<endl; a=a+2; } while(a<=20); } 39

40. Unit: 5 //Program-19 to find the Factorial of Number using do while loop #include void main() { int n,i=1,fact=1; cout<<" enter the number "; cin>>n; if(n>=0) { do { fact=fact*i; i++; } 40

41. Unit: 5 ….. while(i<=n); cout<<"fact="<<fact<<"\n"; }} 41

42. Unit: 5 Check Your Programming Skills: Write a C++ program to display first 10 even numbers using For loop? Write a C++ program to display first 10 even numbers using WHILE loop? Write a C++ program to display first 10 even numbers using DO WHILE loop? Write a C++ program to find the Factorial of Number using For loop? Write a C++ program to print all prime numbers between two limits by using do while loop? 42

43. Unit: 6 Objectives:To understand the concepts of nested loops // Program-20 Program to display stars in a triangle shape #include void main() { int i,j,k,n,m; cout<<"Enter a number"; cin>>n; m=n; for(i=0;i<n;i++)// * * * {// * * for(j=0;j<i;j++)// * cout<<" "; 43

44. Unit: 6 ….. for(k=0;k<m;k++) cout<<" *"; cout<<endl; m--; } } 44

45. Unit: 6 Check Your Programming Skills: Write a C++ program to display different types of triangles * * * * ** * * * ** * Write a C++ program to display following patterns? ** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 45

46. Unit: 7 Objectives:To understand the concept of arrays // Program-21 program to store 5 numbers in an array then print them #include void main() { int a[5],i; for(i=0;i<5;i++) { cout<<"enter any Number :"<<endl; cin>>a[i]; } 46

47. Unit: 7 ….. cout<<"The Elements are as below : "<<endl; for(i=0;i<5;i++) { cout<<a[i]<<endl; } } 47

48. Unit: 7 // Program-23 program using arrays for checking Maximum number and Minimum number among elements #include void main() { int a[8],i,max,min; cout<<"Enter 8 number:"<<endl; for(i=0;i<8;i++) cin>>a[i]; max=min=a[0]; 48

49. Unit: 7 ….. for(i=0;i<8;i++) { if (a[i]>max) max=a[i]; if (a[i]<min) min=a[i]; } cout<<"Maximum number="<<max<<endl; cout<<"Minimum number="<<min<<endl; } 49

50. Unit: 7 Check Your Programming Skills: Write a C++ program to store 5 numbers in an array then print them in reverse order? Write a C++ program to display following patterns? 50

51. Unit: 8 Objectives:To implement the concept of function. // Program-24 to Add two numbers using function #include int add(int x, int y); void main() { int a, b; cout<<" Enter value of a "; cin>>a; cout<<" Enter value of b "; cin>>b; add(a,b); } 51

52. Unit: 8 ….. int add(int x, int y) { int res; res = x+y; cout<<" Sum = "<<res<<endl; return res; } 52

53. Unit: 8 // Program-25 to find the factorial of a number by using function #include int fact(int); void main() { int x,f; cout<<"enter the number"; cin>>x; f=fact(x); cout<<"The factorial"<<f; } 53

54. Unit: 8 …. int fact(int a) { int i,f=1; for(i=1;i<=a;i++) f=f*i; return f; } 54

55. Unit: 8 Check Your Programming Skills: Write a C++ program to calculate difference of two numbers by using functions? Write a C++ program to calculate the Multiplication of two numbers by using functions? Write a C++ program to calculate the square of any integer by using functions? Write a C++ program to calculate the square root of any integer by using functions? 55