Circle using Scan-Line and string in C++ Programming

Fill a Circle using Scan-Line Circle Fill Algorithm using Polar Coordinates in C++ Programming

 # include

 # include

 # include 

 # include

 void show_screen( );

 void Fill_circle(constint,constint,constint);

 void circle(constint,constint,constint);

 void line(constint,constint,constint,constint);

 int main( )

    {

       int driver=vga;

       int mode=vgahi; 

       int x=0;

       int y=0;

       int r=0;

       do

      {

         show_screen( );

         gotoxy(8,10);

         cout<<"Coordinates of Center Point (x,y) :";

         gotoxy(8,11);

         cout<<"ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ";

         gotoxy(12,13);

         cout<<"Enter the value of x = ";

         cin>>x;

         gotoxy(12,14);

         cout<<"Enter the value of y = ";

         cin>>y;

         gotoxy(8,18);

         cout<<"Radius of Circle : r :";

         gotoxy(8,19);

         cout<<"ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ";

         gotoxy(12,21);

         cout<<"Enter the value of r = ";

         cin>>r;

         initgraph(&driver,&mode,"..\\Bgi");

         setcolor(15);

         circle(x,y,r);

         setcolor(9);

           fill_circle(x,y,(r-1));

         setcolor(15);

           outtextxy(110,460,"Press  to continue or any other key to exit.");

         int key=int(getch( ));

         if(key!=13)

        break;

      }

       while(1);

       return 0;

    }

/*************************************************************************///---------------------------  Fill_circle( )  --------------------------///*************************************************************************/

void fill_circle(constint x,constint y,constint r)

    {

       int iterations=(int)((2*r*m_pi)+0.5);

       double angle;

       int x1;

       int y1;

       for(int count=0;count<=iterations;count++)

      {

         angle=(((2*m_pi*count)/iterations)+0.5);

         x1=int(x+(r*cos(angle))+0.5);

         y1=int(y+(r*sin(angle))+0.5);

         Line(x,y,x1,y1);

      }

    }

/*************************************************************************///----------------------------  Circle( )  ------------------------------///*************************************************************************/

void Circle(constint h,constint k,constint r)

    {

       int color=getcolor( );

       int x=0;

       int y=r;

       int p=(1-r);

       do

      {

         putpixel((h+x),(k+y),color);

         putpixel((h+y),(k+x),color);

         putpixel((h+y),(k-x),color);

         putpixel((h+x),(k-y),color);

         putpixel((h-x),(k-y),color);

         putpixel((h-y),(k-x),color);

         putpixel((h-y),(k+x),color);

         putpixel((h-x),(k+y),color);

         x++;

         if(p<0 span="">

        p+=((2*x)+1);

         else

        {

           y--;

           p+=((2*(x-y))+1);

        }

      }

       while(x<=y);

    }

/*************************************************************************///------------------------------  Line( )  ------------------------------///*************************************************************************/void Line(constint x_1,constint y_1,constint x_2,constint y_2)

    {

       int color=getcolor( );

       int x1=x_1;

       int y1=y_1;

       int x2=x_2;

       int y2=y_2;

       if(x_1>x_2)

      {

         x1=x_2;

         y1=y_2;

         x2=x_1;

         y2=y_1;

      }

       int dx=abs(x2-x1);

       int dy=abs(y2-y1);

       int inc_dec=((y2>=y1)?1:-1);

       if(dx>dy)

      {

         int two_dy=(2*dy);

         int two_dy_dx=(2*(dy-dx));

         int p=((2*dy)-dx);

         int x=x1;

         int y=y1;

         putpixel(x,y,color);

         while(x

        {

           x++;

           if(p<0 span="">

              p+=two_dy;

           else

              {

             y+=inc_dec;

             p+=two_dy_dx;

              }

           putpixel(x,y,color);

        }

      }

       else

      {

         int two_dx=(2*dx);

         int two_dx_dy=(2*(dx-dy));

         int p=((2*dx)-dy);

         int x=x1;

         int y=y1;

         putpixel(x,y,color);

         while(y!=y2)

        {

           y+=inc_dec;

           if(p<0 span="">

              p+=two_dx;

           else

              {

             x++;

             p+=two_dx_dy;

              }

           putpixel(x,y,color);

        }

      }

    }

 /*************************************************************************///--------------------------  show_screen( )  ------------------------///*************************************************************************/

void show_screen( )

    {

       restorecrtmode( );

       textmode(C4350);     cprintf("\n********************************************************************************");

       cprintf("*********************-                                   -**********************");

       cprintf("*--------------------- ");

       textbackground(1);

       cprintf(" Scan-Line Circle Fill Algorithm ");

       textbackground(8);

       cprintf(" ----------------------*");

       cprintf("*********************-                                   -**********************");

       cprintf("*-****************************************************************************-*");

       for(int count=0;count<42 count="" span="">

      cprintf("*-**-*");                                                             

       gotoxy(1,46);

       cprintf("*-****************************************************************************-*");

       cprintf("*------------------------------------------------------------------------------*");   cprintf("********************************************************************************");

       gotoxy(1,2);

    }

Count number of words, lines and characters in given string in C++ Programming

#include 

#include 

#include 

#define max_row 5

#define max_col 80

void main()

{

    char name[max_row][max_col],c;

    int lines=1; 

    word will be left to count.int chars=1; 

    clrscr();

    cout<<"===Input Status===\n";

    cout<<"Enter string termanate by # : ";

    cin.get(c);

      {

        cin.get(c);

        chars++;

        if(c==' ' || c=='\n')

            words++;

        if(c=='\n')

            lines++;

    }

    cout<<"\n"<"Particulars"<"Details\n"

;

    cout<<"-------------------------------------\n";

    cout.setf(ios::left,ios::adjustfield);

    cout<<"\n"<"No. of lines  ";

    cout.setf(ios::right,ios::adjustfield);

    cout<

    cout.setf(ios::left,ios::adjustfield);

    cout<<"\n"<"No. of Words  ";

    cout.setf(ios::right,ios::adjustfield);

    cout<

    cout.setf(ios::left,ios::adjustfield);

    cout<<"\n"<"No. of Characters  ";

    cout.setf(ios::right,ios::adjustfield);

    cout<

    getch();

}