Programming Language: 2013

Sunday, December 29, 2013

Nested if in two-way selection

Input:

#include <stdio.h>
#include <conio.h>
void main (void)
   {
   clrscr();
   int a, b;
   printf("Enter two integer values: ");
    scanf("%d, %d", &a, &b);
   if (a<=b)
     if(a<b)
     printf("\n %d < %d", a, b);
     else // equal
     printf("\n %d = %d", a, b);
   else // a>b
     printf("\n %d > %d", a, b);
     getch();  }// main

Write a program that accept three number from the user and display Largest number

Input:

#include <stdio.h>
#include <conio.h>
void main(void)
{      clrscr();
 int a, b, c;
 printf("Enter three integer values: ");
  scanf("%d, %d, %d", &a, &b, &c);
  if (a>b && a>c)
     printf("%d is largest.", a);
  else if (b>a && b>c)
     printf("%d is largest.", b);
  else
     printf("%d is largest.", c);
}// main

Write a program that will print Asterisks (*) in following pattern

*******
******
*****
****
***
**
*Input:

#include<stdio.h>
#include<conio.h>
void main (void)
{
  for(int outer=7; outer >=1; outer--)
 {
   int inner = 1;
    while (inner<= outer)
    {
 printf("*");
 inner++;
    }
 printf("\n");
  }
   getch();
 }// main

Result:

*******
******
*****
****
***
**
*

Saturday, December 28, 2013

Write a program to calculate the square root of a Positive number and also handle negative number

Input:

#include<stdio.h>
#include<conio.h>
#include<math.h>
void main (void)
{
   float num;
positive:
   printf("Enter a positive number: ");
    scanf("%f", &num);
if (num < 0)
   goto positive;
else
  printf("Square Root of %0.2f is %0.2f", num, sqrt(num));
getch();
}// main

Result:

Enter a positive number: 81
Square Root of 81 is 9

DO-WHILE Loop

Write a Program that describe the state of Cell-Phone, its working or not

Input:

#include <stdio.h>
#include <conio.h>
void main (void)
{
     char state;
 do
  {
   printf("Enter the current state of Cell-Phone\n(Enter \'W\' for working and \'D\' for dead):  ");
    scanf("%c", &state);
   }
 while (state != 'W' && state != 'D');
 getch();
 }// main
Result:
Enter the current state of Cell-Phone
(Enter \'W\' for working and \'D\' for dead):  W

Write a program to print digit from 1 to 15

Input:

#include<stdio.h>
#include<conio.h>
void main (void)
{
  int c = 1;
  do
  {
     printf("%d \n", c);
     c++;
     }
  while (c<=15);
     getch();
 }// main

Result:

Write a program to print digit from 1 to 10

Input:

#include <stdio.h>
#include <conio.h>
void main (void)
{
 int c = 1;
 while( c <= 10)
 {
  printf("%d\n", c);
  c++;
 }
 getch(); 
}// main

Result:

Write a program that will demonstrate Condition Operator

Input:

#include <stdio.h>
#include <conio.h>
void main (void)
{
  int a, b;
  printf("Enter two integer number: ");
   scanf("%d %d", &a, &b);
   a > b ?
   printf("%d is larger", a):
   printf("%d is larger", b);
   getch();
 }// main

Result:

Enter two integer number: 87  96
96 is larger

Write a program that calculate the Square Root of a given number

Input:

#include <stdio.h>
#include <math.h>
void main (void)
{
 double x = 0.0, square_root = 0.0;
 printf("Enter a number: ");
 scanf("%lf", &x);
 if (x >= 0)
 { 
  square_root = sqrt(x);
   printf("Square Root of %3.3lf = %3.2lf", x, square_root);
 } 
 else
  printf(“Square root cannot be calculated”);
 }

Result:

Case1:

Enter a Number: 16
Square Root = 4.00

Case2:

Enter a Number: -56
Square root cannot be calculated

Comparison of Nested if and Sequence of ifs

Write a program that inputs a number from user and determines whether its Positive, Negative or Zero

Input:

#include <stdio.h>
#include <conio.h>
void main (void)
{
 int num;
 printf("Enter a number: ");
 scanf("%d", &num);
 if (num>0)
 printf("The number is Positive");
 if(num<0)
 printf("The number is negative");
 if(num==0)
 printf("The number is zero");
 getch();
}

Output:

Case1:

Enter an integer Number: 9
The number is positive

Case2:

Enter an integer Number: -45
The number is negative

Case3:

Enter an integer Number: 0
 The number is zero

Write a program that inputs a number from user and determines whether its positive, Negative or zero

Input:

#include <stdio.h>
#include <conio.h>
void main(void)
{
  int num;
  printf("Enter an integer Number: ");
   scanf("%d", &num);
  if(num>0)
 printf("The number is positive");
  else if (num<0)
 printf("The number is negative");
  else
 printf("The number is zero");
 }// main

Output:
Case1:

Enter an integer Number: 4
The number is positive

Case2:

Enter an integer Number: -6
The number is negative

Case3:

Enter an integer Number: 0
 The number is zero

Write program that input a character from user and checks whether it’s a Vowel or a Consonant

Input:

 #include <stdio.h>
 #include <conio.h>
 void main(void)
 {
  clrscr();
  char ch;
   printf("Enter an Alphabet:  ");
    ch = getche();
   switch(ch)
   {
 case 'a':
 case 'A':
    printf("\n It's a vowel");
  break;
 case 'e':
 case 'E':
   printf("\n It's a vowel");
  break;
 case 'i':
 case 'I':
   printf("\n It's a vowel");
  break;
 case 'o':
 case 'O':
   printf("\n It's a vowel");
  break;
 case 'u':
 case 'U':
   printf("\n It's a vowel");
  break;
       default:
   printf("\n It's not a vowel");
  break;
  }
 getch();
 }// main

Result:

Case 1(if it’s vowel):

Enter an Alphabet:  A
It's a vowel

Case 2(if it’s not vowel):

Enter an Alphabet:  H
It's not a vowel

Tuesday, December 24, 2013

Write a program that calculate the square root of a given number

Source Code:

#include <stdio.h>
#include <math.h>
void main (void)
{
 double x = 0.0, square_root = 0.0;
 printf("Enter a number: ");
 scanf("%lf", &x);
 if (x > 0)
 square_root = sqrt(x);
 printf("SquareRoot = %2.2lf", square_root);
 }

Result:

Enter a number: 16 
SquareRoot = 4.00

IF Statement

Write a program that tells the age is greater 60 or not

Source Code:

#include <stdio.h>
 void main ()
{
 int age, status;
printf(“Enter the age:  ”);
scanf(“%3d”, &age);
status = (age > 50);
printf(“Status = %d”, status);
}

Result:

Case 1:

Enter the age: 45
Status = 0

Case 2:

Enter the age: 85
Status = 1

Write a program that displays the ASCII code of character

Source Code:

#include <stdio.h>
#include <conio.h>
void main ()
{
 char ch;
 printf("Enter a character: ");
 ch = getche();
 printf("\n The ANSII code for \'%c\' is %d", ch, ch);
 }

Result:

Enter a character: H
The ANSII code for 'H' is 72

Write a program that stores the value in separate memory cells

Write a program that store the value “R”, “H”, 3.456E-6 and 50 in memory cells. Program should take 1^st three value as input data, and use assignment value for last value

Source Code:

 #include <stdio.h>
 #include <conio.h>
 void main ( )
 {
 clrscr ();
 char ch1, ch2;
 float db;
 int n;
 printf("\n  Enter two alphabet value, one exp value and one integer value: \n ");
 scanf(" %c %c %f ", ch1, ch2, db);
 n = 50 ;
 printf(" %d ", n);
 getch();
 }

Result:

Enter two alphabet value, one exp value and one integer value:
R  H  3.045E-6   50

Write a program that calculate circle’s area

Write a program that take radius of circle as input and then computes and displays circle’s area
Formula: Area = PI * r^2

Source Code:

       #include <stdio.h>
       #include <conio.h>
       void main (void)
# define PI 3.142857
{
 clrscr ();
float  A, r;
 printf("Enter the value of r: ");
 scanf(" %f", &r);
 A = (PI * (r * r));
 printf("\n Area of a circle = %f", A);
 getch();
 }

Result:

Enter the value of r: 3

Area of a circle = 28.285713

Write a program that convert a temperature in degree Fahrenheit to degree Celsius

Formula: C = 9/5 (F - 32)

Source Code:

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

 double F, C;
 printf("Enter temperature value in Fahrenheit: ");
 scanf("%lf",F);
 C = ((5/9) * (F - 32));
 printf(" Celsius = %2.2lf ", C);
 getch();
 }

Result:

Enter temperature value in Fahrenheit: 60
Celsius = 15.56

Write a program to convert the distance in kilometer into meter

Source Code:

#include <stdio.h>
#include <conio.h>
void main (void)
{
   Double m, km; 
   printf("Enter distance in km > ");
   scanf(“%lf”, &km);
  m = km * 1000;
  printf("\n%4.2lf km = %4.2lf m", km, m);
   getch ();
}// main

Result:

Enter distance in km > 78.5
78.50 km = 7850.00 m

Write a program that will demonstrate the use of Escape Sequence

Source Code:

#include <stdio.h>
#include <conio.h>
void main (void)
{
   printf("  Name\t\tRoll-No\t\tMarks” );
   printf("\n  ------------------------------------” );
   printf("\n  Amir\t\t  45\t\t425” );
  printf("\n  Hadia\t\t  87\t\t825” );
   getch ();
}// main

Result:

  Name  Roll-No  Marks
  --------------------------------------
  Amir    45  425
  Hadia   87  825

Saturday, November 30, 2013

Write a program of addition of two characters in C

Source Code:

#include <stdio.h>
#include <conio.h>
void main (void)
{
 char ch1, ch2, sum; 
         ch1 = '5' ;
 ch2 = '9' ;
 sum = ch1 + ch2;
 printf("Sum = %d", sum);
   getch();
}// main

Result:

Sum = 109

Write a program that converting Centigrade temperatures to Fahrenheit in C

Formula: F = 32 + (C * 180.0/100.0)

Source Code:

  #include <iostream.h>
  #include <conio.h>
  void main(void)
  {  
   clrscr ();
   float F, C;
    C    =   -10;
    F    = 32 + (C * 180.0/100.0);
  printf("F = %2.2f",F);  // use field-width specifier 
     getch();
         } //main

Result:

F = 14.00

Write a program to calculate and print the area of a square in C

Source Code:

#include <stdio.h>
#include <conio.h>
void main (void)
{
   int Height, Width, Area; 
   Height = 8, Width = 5;
   printf("Area of Square = %d", Area);
   getch ();
}// main

Result:

Area of Square = 40

Write a program that subtract two floating point numbers and shows their sum on the screen in C

Source Code:

#include <stdio.h>
#include <conio.h>
void main (void)
{
   Float Num1, Num2, Sub;
   Num1 = 8;
   Num2 = 5;
   Sub = Num1 - Num2;
   printf("%2.2f + %2.2f  = %2.2f ", Num1, Num2, Sub);
   getch ();
      }// main

Result:

65.77 – 24.27 = 41.5

Write a program that print "Assalam O Alikum!!! World" in C

Input:

#include <stdio.h>
#include <conio.h>
void main (void)
{
     printf("Assalam O Alikum!!! World");
     getch ();
     } // main

Output:

Assalam O Alikum!!! World

Friday, November 08, 2013

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Sunday, September 01, 2013

Write a program of Adding a list of number in C++

Add a list of integer from keyboard

Source Code:

   #include <iostream.h>
   #include <conio.h>
   using namespace std;
   int main ()
     {
       int x;
       int sum = 0;
       
      cout << " Enter your number: <EOF> to stop \n";
      while (cin >> x)
           sum += x;
      cout << "\n The total number: " << sum << endl;
      getch ();
      return 0;
             } // main

Result:

 Enter your number: <EOP> to stop
15
22
3^d
 The total is: 40

Repetition

Programs:

01. Write a program of Process-control system example
02. Write a program of A while loop to print number
03. Write a program of Adding a list of number

Write a program of A while loop to print number in C++

Simple while loop that prints numbers 10 per line

Source Code:

   #include <iostream.h>
   #include <conio.h>
   #include <iomanip.h>
   int main ()
     {
      cout << " Enter an integer between 1 and 100:  ";
      int num;
      cin  >> num;
      
   // Test number
   if (num > 100)
       num = 100;
   int lineCount = 0;
   while (num > 0)
    {
      if (lineCount < 10)
          lineCount++;
      else
      {
          cout << endl;
          lineCount = 1;
          }// else
   cout << setw(4) << num--;
        } //while
        getch ();
        return 0;
               } // main

Result:

 Enter an integer between 1 and 100:  15
  15  14  13  12  11  10   9   8   7   6
   5   4   3   2   1

Write a program of Process-control system example in C++

 while (1)
 {
  temp = getTemperture();
       if (temp < 68)
     turnOnHeater();
  else if (temp > 78)
     turnOnAirCond();
  else
  {
      turnOfHeater();
      turnOfAirCond();
      } // main
           } // while(1)

Write a program that convert score to grade in C++

This program reads a test score .Calculate the letter grade based on the absolute scale, and print it

Source Code:

   #include <iostream.h>
   #include <conio.h>
   
   char scoreToGrade (int score);
   
   int main ()
      {
       cout << " Enter the test score(0-100): ";
       int score;
       cin  >> score ;
       
      char grade = scoreToGrade (score);
      cout << " The grade is: " << grade << endl;
      getch();
      return 0;
             } //main
   /* ============= scoreToGrade ===================
   This function calculates the letter grade for a score
   Pre  the parameter score
   Post Return the grade                     */
   char scoreToGrade (int score)
   {
    char grade;
   
   
        if (score >= 90)
             grade = 'A';
   else if (score >=80)
             grade = 'B';
   else if (score >=70)
             grade = 'C';
   else if (score >=60)
             grade = 'D';
   else 
             grade = 'F';
   getch ();
   return grade;    
                }// scoreToGrade

Result:

 Enter the test score (0-100): 91
 The grade is: A

Write a Program of Student Grading in C++

This program reads a test score, calculates the letter grade for the score, print the grade

Source Code:

   #include <iostream.h>
   #include <conio.h>
   
   char scoreToGrade (int score);
   
   int main ()
      {
      cout << " Enter the test score (0-100): ";
      int score;
      cin  >> score;
      
     char grade = scoreToGrade (score);
      cout << " The grade is: " << grade << endl;
      getch();
      return 0;
             } //main
   /* ============= scoreToGrade ===================
   This function calculates the letter grade for a score
   Pre  the parameter score
   Post Return the grade                     */
   char scoreToGrade (int score)
   {
     int temp = score / 10;
   char grade;
   switch (temp)
     {     
       case 10 :
       case  9 : grade = 'A';
                break; 
       case  8 : grade = 'B';
                break; 
       case  7 : grade = 'C';
                break; 
       case  6 : grade = 'D';
                break; 
       default : grade = 'f';
                break; 
                }// switch
    getch();
    return grade;    
                      }// scoreToGrade

Result:

 Enter the test score (0-100): 89
 The grade is: B

A switch statement in C++

 switch (print flag)
        {
          case 1: cout << " do case 1 \n";
                  doCase1 ();
          case 2: cout << " do case 2 \n";
                  doCase2 ();
          case 3: cout << " do default \n";
                  doDefault ();                     
               } // switch

Write a program of Multivalued case statment in C++

   switch (print flag)
    (
     case 1;
     case 3;
             cout << " Good Day\n";
             cout << " Odds have it!\n";
            break;
     case 2;
     case 4;
             cout << " Good Day\n";
             cout << " Even have it!\n";
            break; 
     default:
             cout << " Good Day, I'm confused!\n";
             cout << " Bye!\n";
            break;
                  )// switch

Friday, August 23, 2013

Write a program of add two digit in C++

This program extracts and adds the two least significant digits of an integer

Source Code:

      #include <iostream.h>
      #include <conio.h>
      using namespace std;
    
    // Prototype Declarations
      int addTwoDigits (int num);
      int firstDigit   (int);
      int secondDigit (int);
  
    int main ()
     {
      cout << " Enter an integer:  ";
      int number;
      cin  >> number;
      
      int sum = addTwoDigits (number);
      cout << " \n Sum of last two digits is:   "<< sum ;
      getch();
      return 0;
               } // main
      /* ============== addTwoDigits ===================
      Adds the first two digits of an integer.
           Pre  num contains an integer 
           Post return sum of two least significant digits
      */         
        int addTwoDigits (int number)       
      {
            int result = firstDigit (number) + secondDigit (number);
            return result;
            } //add two digit
      /* ============== firstDigits ===================
      Extracts the least significant digits of an integer.
           Pre  num contains an integer 
           Post Return least significant digits
      */
      int firstDigit (int num)
      {
          return (num % 10);
          }
      /* ============== secondDigits ===================
      Extracts second least significant digits of an integer.
           Pre  num contains an integer 
           Post Return digit is 10s position                 */    
      int secondDigit (int num)
      {   
          int result = (num / 10) % 10;
      return result;
      getch ();
      return result;
               } //secondDigits

Result:

 Enter an integer:  23

 Sum of last two digits is:   5

Wednesday, August 21, 2013

Functions

Selection ----- Making Decisions

Programs:

01.   Write a program of Logical Expressions
02.   Write a program of relational operators
03.   Write a program of Two-way selection
04.   Write a program of Nested if statements
05.   A switch statement
06.   Write a program of Multivalued case statement
07.   Write a Program of Student Grading

Structure of C++ Program

Introduction to C++

Programs:

01.   Write a program that print Hello World

02.    Write a program that print Table of 2

03.     Write a program that prints stars

04.     Write a program of Printing Different types with cout

05.     Write a program that Calculate and prints the sum of three numbers

06.     Write a program that calculate Addition Question with 2 variable

07.     Write a program that calculate Addition Question with 2 variable (cin)

08.     Write a program that calculate the Difference of two variable

09.     Write a program that calculate Multiplication Question with two variable

10.     Write a program of Division with two variable
11.     Write a program that Demostrates set width manipulator

Pages

Sunday, December 29, 2013

Write a program that accept three number from the user and display Largest number

Write a program that will print Asterisks (*) in following pattern

Saturday, December 28, 2013

Write a program to calculate the square root of a Positive number and also handle negative number

01. While Statement 02. DO-WHILE LOOP 03. DO-WHILE Loop 04. For-Statement 05. Nested Loop 06. Goto Statement 07. Diamond Shape 08. Write a program that takes 10 integer from user and print the Maximum and minimum number 09. Shapes

Write a Program that describe the state of Cell-Phone, its working or not

Write a program to print digit from 1 to 15

Write a program to print digit from 1 to 10

Write a program that will demonstrate Condition Operator

Write a program that calculate the Square Root of a given number

Write a program that inputs a number from user and determines whether its Positive, Negative or Zero

01. IF Statement 02. Simple if Statement 03. if-else Statement 04. Nested if Statement 05. Nested if in two-way Selection 06. Comparison of Nested if and Sequence of ifs 07. if-else if Statement 08. Logical AND Operator 09. Switch Statement 10. Condition Operator 11. XY-coordinate

Write a program that inputs a number from user and determines whether its positive, Negative or zero

Write program that input a character from user and checks whether it’s a Vowel or a Consonant

Tuesday, December 24, 2013

Write a program that calculate the square root of a given number

Programs:

Write a program that store the value “R”, “H”, 3.456E-6 and 50 in memory cells. Program should take 1st three value as input data, and use assignment value for last value

Source Code:

Saturday, November 30, 2013

Refference by Syed Zulqurnain Jaffery & Ms. Shahina Naz

Friday, November 08, 2013

Sunday, September 01, 2013

Friday, August 23, 2013

Wednesday, August 21, 2013

12. Write a program that Demonstrate fill characters

13. Write a program that calculate compound assignment

14. Write a program that Demonstrates Numeric Manipulator

15. Writing Errors (serr and clog)

16. Write a program of use the operator (size of)

17. Write a program that print the Name of data types, Bit Width and Bit Width use

01. While Statement
02. DO-WHILE LOOP
03. DO-WHILE Loop
04. For-Statement
05. Nested Loop
06. Goto Statement
07. Diamond Shape

08. Write a program that takes 10 integer from user and print the Maximum and minimum number

09. Shapes

01. IF Statement
02. Simple if Statement
03. if-else Statement
04. Nested if Statement
05. Nested if in two-way Selection
06. Comparison of Nested if and Sequence of ifs
07. if-else if Statement
08. Logical AND Operator
09. Switch Statement
10. Condition Operator
11. XY-coordinate

Write a program that store the value “R”, “H”, 3.456E-6 and 50 in memory cells. Program should take 1^st three value as input data, and use assignment value for last value