Lecture 142

                                                Lecture 142

Procedures and Functions

Code:

#include <iostream>

#include <conio.h>

using namespace std;

void Twobeep(void);    // Prototype for Twobeep();

main ()

{ 

  Twobeep();

  cout<<"Type any character\n";      

  getch();

  Twobeep();

  return 0;

}

void Twobeep()

{

  cout<<"\x7";    

  for(int i=0;i<100000;i++)

      ;     // Null Statement

  cout<<"\n";         

    

}

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Lecture 141

                                                Lecture 141

Procedures and Functions

Code:

#include <iostream>

#include <conio.h>

using namespace std;

void Line(void);    // Prototype for Line();

main ()

{ 

  Line();

  cout<<"\xDB TITUS ANDRONICUS \xDB\n";      

  Line();

  getch();

  return 0;

}

void Line()

{

  for(int i=0;i<20;i++)

      cout<<"\xDB";

  cout<<"\n";         

    

}

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Lecture 140

                                                Lecture 140

// Loop GoTo

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

    int n;

    char ch;

    cout<<"Two table\n";

    n=1;

      Loop1: //Label

          ch=n;

          cout<<"\n2  X "<<n<<" = "<<2*n;

          n++;

         if(n==11) 

             goto Loop2;

         goto Loop1;

   Loop2:        

  getch();

  return 0;

}

Output:

Lecture 139

                                                Lecture 139

// Loop GoTo

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

    int n;

    char ch;

    cout<<"An ASCII Table Program: \n";

    n=1;

      Loop1: //Label

          ch=n;

          cout<<n<<" = "<<ch<<"\t\t";

          n++;

         if(n==256) 

             goto Loop2;

         goto Loop1;

   Loop2:        

  getch();

  return 0;

}

Output:

Lecture 138

                                                Lecture 138

// Loop GoTo

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

      int count,total;

      count=0,total=0;

      Loop1: //Label

         total=total+count;

         cout<<"Count: "<<count<<"  Total: "<<total<<endl;        

         count++;

         if(count==10) 

             goto Loop2;

         goto Loop1;

   Loop2:        

  getch();

  return 0;

}

Output:

Lecture: 137

                                                Lecture 137

// Loop GoTo

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

      int i;

      i=1;

      cout<<"Odd number: ";     

      Loop1: //Label

         cout<<i<<" ";

         i+=2;

         if(i>=10) 

             goto Loop2;

         goto Loop1;

   Loop2:        

  getch();

  return 0;

}

    

Output:

Code:

// Loop GoTo

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

      int i;

      i=1;

      cout<<"Odd number: ";     

      Loop1: //Label

         cout<<i<<" ";

         i+=2;

         if(i==10) 

             goto Loop2;

         goto Loop1;

   Loop2:        

  getch();

  return 0;

}

Output:

Lecture: 136

                                                Lecture 136

// Loop GoTo

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

      int i;

      i=0;

      cout<<"Even number: ";     

      Loop1: //Label

         if(i==10) 

             goto Loop2;

         cout<<i<<" ";

         i+=2;

         goto Loop1;

   Loop2:        

  getch();

  return 0;

}

    

Output:

Lecture 135

                                                Lecture 135

// Loop GoTo

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

      int i;

      i=0;

      cout<<"0 to 9 number: ";     

      Loop1: //Label

         if(i==10) 

             goto Loop2;

         cout<<i<<" ";

         i+=1;

         goto Loop1;

   Loop2:        

  getch();

  return 0;

}

Output:

Lecture: 134

                                                Lecture 134

// Loop GoTo

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

      int i;

      Goto1: //Label

         if(i==10)  goto Goto2;

         cout<<i;

         i++;

         goto Goto1;

   Goto2:        

  getch();

  return 0;

}

Output:

Lecture 133

                                                Lecture 133

// Loop do while

//Print diagonal line in the screen

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

        int x,y;

        y=1;

        do

           {

              x=1; 

              do{

                 if(x==y)

                     cout<<"\xDB";

                 else if(x==2*y)

                     cout<<"\xB1";

                 else   

                     cout<<" ";

                 x++;

                 }while(x<24);     

               cout<<endl;                        

               y++;

           }while(y<24);

  getch();

  return 0;

}

Output:

Lecture 132

                                                Lecture 132

// Loop do while

//Print diagonal line in the screen

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

        int x,y;

        y=1;

        do

           {

              x=1; 

              do{

                 if(x==y)

                     cout<<"\xDB";

                 else if(x==24-y)

                     cout<<"\xDB";

                 else   

                     cout<<"\xB0";

                 x++;   

                }while(x<24);  

               cout<<endl;                       

               y++;

           }while(y<24);

  getch();

  return 0;

}

Output:

Lecture 131

                                                Lecture 131

// Loop do while

//Print diagonal line in the screen

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

        int x,y;

        y=1;

        do

           {

              x=1; 

              do{

                 if(x==y)

                     cout<<"\xDB";

                 else

                     cout<<"\xB0";

                 x++;   

                 }while(x<24);  

               cout<<endl;                       

               y++;

           }while(y<24);

  getch();

  return 0;

}

Output:

Lecture 130

                                                Lecture 130

// Loop do while

//Draws a checkerboard on the screen

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

        int x,y;

        y=1;

        do

           {

              x=1; 

              do

              {

                 if((x+y)%2==0)

                     cout<<"\xDB\xDB";

                 else

                     cout<<"  ";

                x++;

              }while(x<9);     

               cout<<endl;                       

               y++;

           }while(y<9);

  getch();

  return 0;

}

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Lecture 129

                                                Lecture 129

// Loop do while

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

   int charcnt=0;

   int wordcnt=0;

   char ch;

   cout<<"Type in a phrase: \n";

   do

   {

       charcnt++;

       if(ch==' ')

              wordcnt++;

   }while((ch=getche()) != '\r');   

   cout<<"\nCharacter count is :"<<charcnt;

   cout<<"\nWord count is : "<<wordcnt;

  getch();

  return 0;

}

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Lecture 128

                                                Lecture 128

// Loop do while

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

   char name[10]="Shahid";

   int i; 

   cout<<"Name:  ";

   i=0;

   do

   {

       cout<<name[i];

       i++;

   }while(name[i] != '\0');   

  getch();

  return 0;

}

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Lecture: 127

                                                Lecture 127

// Loop do while

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

   char ch;

   int count=0; 

   cout<<"Type ina phrase : \n";

   do

   {

       cout<<ch;

       count++;

   }while((ch=getch()) != '\r');   

    cout<<" \n\nCharacter count is : "<<count;

  getch();

  return 0;

}

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Lecture: 126

                                                Lecture 126

// Loop do while

//Break for loop

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

   int i; 

   i=1;

   do

   {

       if(i==5) break;         

    cout<<i<<" ";

    i++;

   }while(i<10);        

  getch();

  return 0;

}

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Lecture: 125

                                                Lecture 125

// Loop do while

//Nested for loop

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

   int row,col; 

   row=1;

   do

   {

       col=1; 

       do

       {

            cout<<"Outer = " << row <<" Inner = "<<col<<endl;     

            col++;

       }while(col<3);//inner loop    

    cout<<endl;

    row++;

   }while(row<3);//outer loop        

  getch();

  return 0;

}

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Lecture: 124

                                                Lecture 124

// Loop do while

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

  system("CLS");//Clear screen

  int F=1,i=1,j;

  cout<<"Enter the factorial number: ";

  cin>>j;

  i=1;

   do{

       F=F*i;

       i++;

     }while(i<=j);

   cout<<"Factorial of "<<j<<" = "<<F;

  getch();

  return 0;

}

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Lecture 123

                                                Lecture 123

// Loop do while

//Nested for loop

//fills square area on screen

#include <iostream>

#include <conio.h>

#include <windows.h>

HANDLE wHnd;

using namespace std;

 main ()

{  

  system("CLS");//Clear screen

  int row,col; 

  row=1;

   do

   {

       col=1;

       do

       {

          cout<<"\xdb";     

          col++;

       }while(col<70);//inner loop     

    cout<<endl;

    row++;

   }while(row<22);//outer loop        

  getch();

  return 0;

}

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Lecture: 122

                                                Lecture 122

// Loop do while

//Nested for loop

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

   int row,col; 

   row=1;

   do

   {

       col=1; 

       do{

             cout<<col*row<<"\xb3";     

             col++;

         }while(col<13);//inner loop   

    cout<<endl;

    row++;

   }while(row<13);//outer loop        

  getch();

  return 0;

}

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Lecture: 121

                                                Lecture 121

// Loop do while

//Drawing a Graphics Character

#include <iostream>

#include <conio.h>

using namespace std;

 main ()

{  

   int n; 

   char ch[5]="\xD9";

   n=1;

   do{

        cout<<"\t"<<ch;

        n++;

     }while(n<40);

  getch();

  return 0;

}

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