Study Material for BCA Students

Sunday, September 13, 2015

Typing practice with bubble game

Sunday, September 13, 2015 Special Programs 2 comments

Many of us played this game in typing tutor. Bubbles are falling from the top containing a character in it. We need to type that character to make that bubble disappear.
Same is here but there is no termination condition or scoring.
To terminate the code press ESC key.

Preview:

//Typing practice with bubble game
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
#include<stdlib.h>
#include<dos.h>
#include<graphics.h>
#include<string.h>
class typing
{
 char ch,arrch[10];
 int time;
 static int count;
 int arrx[10],arry[10];
 public:
 typing()
 {
  int i;
  time=500;
  ch='0';
  for(i=0;i<10;i++)
  {
   arrx[i]=0;
   arry[i]=0;
   arrch[i]='0';
  }
 }
 void random_char()
 {
  int r_x,r_y=15,i;
  static int last_x=0;
  count++;
  char r_ch;
  do
  {
   r_x=random(10);
   r_x++;
   r_x=r_x*45+15;
  }
  while(last_x==r_x);
  r_ch=random(26);
  r_ch+=97;
  for(i=0;i<10;i++)
  {
   if(arrx[i]==0&&arry[i]==0&&arrch[i]=='0')
   {
    arrx[i]=r_x;
    arry[i]=r_y;
    arrch[i]=r_ch;
    last_x=r_x;
    break;
   }
  }
 }
 void draw_char()
 {
  int i;
  //char *p;
  cleardevice();
  setfillstyle(1,7);
  bar(0,0,520,480);
  setfillstyle(1,3);
  bar(520,0,640,480);

  for(i=0;arrch[i]!='0'&&i<10;i++)
  {
   if(!(arrx[i]==0&&arry[i]==0&&arrch[i]=='0'))
   {
    char *p='\0';
    setfillstyle(1,15);
    setcolor(0);
    fillellipse(arrx[i],arry[i]+=15,15,15);
    fflush(stdin);

    *p=arrch[i];
    settextstyle(1,0,1);
    outtextxy(arrx[i]-5,arry[i]-10,p);
   }
  }
 }
 void arrange(int pos)
 {
  int i;
  for(i=pos+1;arrch[i]!='0'&&i<10;i++)
  {
   arrch[i-1]=arrch[i];
   arrx[i-1]=arrx[i];
   arry[i-1]=arry[i];
  }
  arrch[i-1]='0';arrx[i-1]=arry[i-1]=0;
 }
 void start()
 {
  int i;
  do
  {
   do
   {
    if(count<10)
     random_char();
    draw_char();
    delay(time);
    if(arry[0]>=480-15)
    {
     arrange(0);
     count--;
    }
   }
   while(!kbhit());
   ch=getch();
   for(i=0;i<10;i++)
   {
    if(ch==arrch[i])
    {
     arrange(i);
     count--;
     break;
    }
   }
  }
  while(ch!=27);
 }
};
int typing::count=0;
void main()
{
 clrscr();
 int gd=0,gm,errorcode;
 typing t;
 initgraph(&gd,&gm,"c:\\turboc3\\bgi");
 errorcode = graphresult();
 if (errorcode != grOk)
 {
   printf("Graphics error: %s\n", grapherrormsg(errorcode));
   printf("Press any key to halt:");
   getch();
   exit(1);
 }
 randomize();
 t.start();
}

MS Paint like program in C

Sunday, September 13, 2015 Special Programs 1 comment

MS Paint Editor in C. It is having four function Circle, Rectangle, Line and Pen. Using this four function you can design whatever you want. And later you can save it by taking screenshot of it.

Preview:

//MS Paint like program in C
#include<graphics.h>
#include<stdio.h>
#include<conio.h>
#include<dos.h>
#include<iostream.h>
#include<math.h>
union REGS in,out;
class draw
{
 public:
 int x,y,click;
 int temp_click;
 int rectflag,circflag,linflag,penflag;
 struct rectarray
 {
  int x1,x2,y1,y2;
  struct rectarray *prev,*next;
 };
 typedef struct rectarray rectnode;
 struct linarray
 {
  int x1,x2,y1,y2;
  struct linarray *prev,*next;
 };
 typedef struct linarray linnode;
 struct circarray
 {
  int x,y,xrad,yrad;
  struct circarray *prev,*next;
 };
 typedef struct circarray circnode;
 struct cord
 {
  int x,y;
  struct cord *prev,*next;
 };
 typedef struct cord cordnode;
 struct penarray
 {
  cord *xy;
  struct penarray *prev,*next;
 };
 typedef struct penarray pennode;

 rectnode *rstart;
 linnode *lstart;
 circnode *cstart;
 pennode *pstart;
 cordnode *cordstart;
 public:
 draw()
 {
  rstart=NULL;
  lstart=NULL;
  cstart=NULL;
  pstart=NULL;
  cordstart=NULL;
  rectflag=0;
  penflag=0;
  linflag=0;
  circflag=0;
 }
 void ract()
 {
  rectnode *temp;
  temp=new rectnode;
  rectflag=1;
  int x1,y1,x2,y2;
  restrictmouseptr();
  do
  {
   toolbox();
   delay(100);
   mouseposi(x1,y1,temp_click);
  }
  while(temp_click!=1);
  do
  {
   cleardevice();
   temp_click=1;
   toolbox();
   mouseposi(x2,y2,temp_click);
   drawall();
   //setfillstyle(0,15);
   rectangle(x1,y1,x2,y2);
  }
  while(temp_click!=0);
  temp->x1=x1;
  temp->y1=y1;
  temp->x2=x2;
  temp->y2=y2;
  temp->prev=NULL;
  temp->next=NULL;
  rstart=addrectnode(rstart,temp);
  rectflag=0;
 }
 void lin()
 {
  linnode *temp;
  temp=new linnode;
  linflag=1;
  int x1,y1,x2,y2;
  restrictmouseptr();
  do
  {
   toolbox();
   delay(100);
   mouseposi(x1,y1,temp_click);
  }
  while(temp_click!=1);
  do
  {
   cleardevice();
   temp_click=1;
   toolbox();
   mouseposi(x2,y2,temp_click);
   drawall();
   line(x1,y1,x2,y2);
  }
  while(temp_click!=0);
  temp->x1=x1;
  temp->y1=y1;
  temp->x2=x2;
  temp->y2=y2;
  temp->prev=NULL;
  temp->next=NULL;
  lstart=addlinnode(lstart,temp);
  linflag=0;
 }
 void circ()
 {
  circnode *temp;
  temp=new circnode;
  circflag=1;
  int x1,y1,x2,y2,xrad=0,yrad=0,cx,cy;
  restrictmouseptr();
  do
  {
   toolbox();
   delay(100);
   mouseposi(x1,y1,temp_click);
  }
  while(temp_click!=1);
  do
  {
   cleardevice();
   temp_click=1;
   toolbox();
   mouseposi(x2,y2,temp_click);
   drawall();
   cx=(x1+x2)/2;
   cy=(y1+y2)/2;
   xrad=x2-cx;
   if(xrad<0)
    xrad=0-xrad;
   yrad=y2-cy;
   if(yrad<0)
    yrad=0-yrad;
   setfillstyle(0,15);
   fillellipse(cx,cy,xrad,yrad);
  }
  while(temp_click!=0);
  temp->x=cx;
  temp->y=cy;
  temp->xrad=xrad;
  temp->yrad=yrad;
  temp->prev=NULL;
  temp->next=NULL;
  cstart=addcircnode(cstart,temp);
  circflag=0;
 }
 void pen()
 {
  pennode *temp;
  temp=new pennode;
  penflag=1;
  int x,y;
  int temp_click;
  cordstart=NULL;
  restrictmouseptr();
  do
  {
   toolbox();
   delay(100);
   mouseposi(x,y,temp_click);
  }
  while(temp_click!=1);
  do
  {
   cordnode *t;
   t=new cordnode;
   cleardevice();
   temp_click=1;
   toolbox();
   mouseposi(x,y,temp_click);
   drawall();
   drawcordnode(cordstart);
   t->x=x;
   t->y=y;
   t->next=NULL;
   t->prev=NULL;
   cordstart=addcordnode(cordstart,t);
  }
  while(temp_click!=0);
  temp->xy=cordstart;
  temp->prev=NULL;
  temp->next=NULL;
  pstart=addpennode(pstart,temp);
  drawall();
  penflag=0;
 }

 void toolbox()
 {
  setfillstyle(1,15);
  bar(0,0,100,480);

  setfillstyle(1,0);
  setcolor(15);
  if(circflag==1)
  {
   setfillstyle(1,15);
   setcolor(0);
  }
  bar(1,1,49,49);
  circle(23,23,23);

  setfillstyle(1,0);
  setcolor(15);
  if(rectflag==1)
  {
   setfillstyle(1,15);
   setcolor(0);
  }
  bar(51,1,99,49);
  rectangle(52,2,98,48);

  setfillstyle(1,0);
  setcolor(15);
  if(linflag==1)
  {
   setfillstyle(1,15);
   setcolor(0);
  }
  bar(1,51,49,99);
  line(2,75,48,75);

  setfillstyle(1,0);
  setcolor(15);
  if(penflag==1)
  {
   setfillstyle(1,15);
   setcolor(0);
  }
  bar(51,51,99,99);
  line(80,60,85,65);
  line(60,80,80,60);
  line(62,82,82,62);
  line(63,83,83,63);
  line(65,85,85,65);
  line(65,85,60,80);
  line(60,80,60,85);
  line(65,85,60,85);

  setfillstyle(1,0);
  setcolor(15);
  bar(1,101,49,149);

  setfillstyle(1,0);
  setcolor(15);
  bar(51,101,99,149);

  bar(1,151,99,450);

  bar(5,455,95,475);
  outtextxy(20,460,"Tool Box");
 }
 void draw_graph()
 {
  char ch;
  do
  {
   donotrestrictmouseptr();
   toolbox();
   do
   {
    mouseposi(x,y,click);
    if(x>0&&x<100)
    {
     delay(300);
     cleardevice();
     toolbox();
     drawall();
     if(y>0&&y<50)
     {
      if(x>0&&x<50)
      {
       outtextxy(x,y,"circle");
      }
      else if(x>50&&x<100)
      {
       outtextxy(x,y,"ractangle");
      }
     }
     else if(y>50&&y<100)
     {
      if(x>0&&x<50)
      {
       outtextxy(x,y,"line");
      }
      else if(x>50&&x<100)
      {
       outtextxy(x,y,"pen");
      }
     }
    }
   }
   while(!(click==1||kbhit()));
   if(kbhit())
    ch=getch();
   if(x>0&&x<50&&y>0&&y<50)
    circ();
   else if(x>50&&x<100&&y>0&&y<50)
    ract();
   else if(x>0&&x<50&&y>50&&y<100)
    lin();
   else if(x>50&&x<100&&y>50&&y<100)
    pen();
  }
  while(ch!=27);
 }
 void drawall()
 {
  drawcircnode(cstart);
  drawrectnode(rstart);
  drawlinnode(lstart);
  drawpennode(pstart);
 }
 rectnode* addrectnode(rectnode *start,rectnode *temp)
 {
  rectnode *t;
  if(start==NULL)
  {
   start=temp;
  }
  else
  {
   t=start;
   while(t->next!=NULL)
    t=t->next;
   t->next=temp;
  }
  return start;
 }
 linnode* addlinnode(linnode *start,linnode *temp)
 {
  linnode *t;
  if(start==NULL)
  {
   start=temp;
  }
  else
  {
   t=start;
   while(t->next!=NULL)
    t=t->next;
   t->next=temp;
  }
  return start;
 }
 circnode* addcircnode(circnode *start,circnode *temp)
 {
  circnode *t;
  if(start==NULL)
  {
   start=temp;
  }
  else
  {
   t=start;
   while(t->next!=NULL)
    t=t->next;
   t->next=temp;
  }
  return start;
 }
 cordnode* addcordnode(cordnode *start,cordnode *temp)
 {
  cordnode *t;
  if(start==NULL)
  {
   start=temp;
  }
  else
  {
   t=start;
   while(t->next!=NULL)
    t=t->next;
   t->next=temp;
  }
  return start;
 }
 pennode* addpennode(pennode *start,pennode *temp)
 {
  pennode *t;
  if(start==NULL)
  {
   start=temp;
  }
  else
  {
   t=start;
   while(t->next!=NULL)
    t=t->next;
   t->next=temp;
  }
  return start;
 }

 void drawrectnode(rectnode *start)
 {
  rectnode *t;
  t=start;
  setfillstyle(0,15);
  while(t!=NULL)
  {
   rectangle(t->x1,t->y1,t->x2,t->y2);
   t=t->next;
  }
 }
 void drawlinnode(linnode *start)
 {
  linnode *t;
  t=start;
  while(t!=NULL)
  {
   line(t->x1,t->y1,t->x2,t->y2);
   t=t->next;
  }
 }
 void drawcircnode(circnode *start)
 {
  circnode *t;
  t=start;
  setfillstyle(0,15);
  while(t!=NULL)
  {
   fillellipse(t->x,t->y,t->xrad,t->yrad);
   t=t->next;
  }
 }
 void drawcordnode(cordnode *start)
 {
  cordnode *t;
  t=start;
  while(t!=NULL)
  {
   line(t->x,t->y,t->x,t->y);
   t=t->next;
  }
 }
 void drawpennode(pennode *start)
 {
  pennode *t;
  t=start;
  while(t!=NULL)
  {
   drawcordnode(t->xy);
   t=t->next;
  }
 }
};
draw paint;
int callmouse()
{
 in.x.ax=1;
 int86(0X33,&in,&out);
 return 1;
}
void mouseposi(int &x,int &y,int &click)
{
 in.x.ax=3;
 fflush(stdin);
 int86(0X33,&in,&out);
 click=out.x.bx;
 x=out.x.cx;
 y=out.x.dx;
}
int mousehide()
{
 in.x.ax=2;
 int86(0X33,&in,&out);
 return 1;
}
void setposi(int &xpos,int &ypos)
{
 in.x.ax=4;
 in.x.cx=xpos;
 in.x.dx=ypos;
 int86(0X33,&in,&out);
}
void restrictmouseptr()
{
 in.x.ax=7;
 in.x.cx=100;
 in.x.dx=640;
 int86(51,&in,&out);
 in.x.ax=8;
 in.x.cx=0;
 in.x.dx=480;
 int86(51,&in,&out);
}
void donotrestrictmouseptr()
{
 in.x.ax=7;
 in.x.cx=0;
 in.x.dx=640;
 int86(51,&in,&out);
 in.x.ax=8;
 in.x.cx=0;
 in.x.dx=480;
 int86(51,&in,&out);
}

int main()
{
 char ch;
 clrscr();
 int g=DETECT,m;
 initgraph(&g,&m,"c:\\turboc3\\bgi");
 directvideo=0;
 callmouse();
 paint.draw_graph();
 getch();
 mousehide();
 return 0;
}

Graphic program to design a moving car

Sunday, September 13, 2015 Special Programs No comments

Car looks like :

//Graphic program to design a moving car
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
#include<dos.h>
#include<stdlib.h>

void car_body(int,int);
void car_body1(int,int);
void car_body2(int,int);
void car_body3(int,int);
void front_tyre(int,int,int,int);
void rear_tyre(int,int,int,int);
void tyre_rotation(int,int,int,int,int);

int gd=0,gm,poly_cord[34],p1[4],p2[4],p3[4],midx,midy,i,k,j,r,x,y,mid,angle1,angle2;
void main()
{
 initgraph(&gd,&gm,"c:\\turboc3\\bgi");
 randomize();
 //midx=getmaxx()/2;
 midx=random(319);
 midx+=320;
 mid=midx;
 midy=getmaxy()/2;
 k=0;
 while(mid>=0)
 {
 k++;
 car_body(midx-2*k,midy);
 car_body(midx-2*k,midy-1);
 car_body(midx-2*k,midy-2);
 car_body(midx-2*k,midy-3);
 car_body1(midx-2*k,midy);
 car_body1(midx-2*k,midy-1);
 car_body1(midx-2*k,midy-2);
 car_body1(midx-2*k,midy-3);
 car_body2(midx-2*k,midy);
 car_body3(midx-2*k,midy);
 if(k%2!=0)
 {
  angle1=0;
  angle2=angle1+30;
 }
 else
 {
  angle1=15;
  angle2=angle1+30;
 }
 front_tyre(midx-2*k,midy,angle1,angle2);
 rear_tyre(midx-2*k,midy,angle1,angle2);
 mid=midx-2*k;
 }
}
//****************************************************
void car_body(int midx,int midy)
{
 /*
   *
 */
 poly_cord[0]=midx-200;
 poly_cord[1]=midy;

 /*
   *-------*
 */

 poly_cord[2]=midx-120;
 poly_cord[3]=midy;

 /*           *
       /
   *-------*
 */

 poly_cord[4]=midx-100;
 poly_cord[5]=midy-60;

 /*           *--------------*
       /
   *-------*
 */

 poly_cord[6]=midx+100;
 poly_cord[7]=midy-60;

 /*           *--------------*
       /              \
   *-------*              *
 */

 poly_cord[8]=midx+120;
 poly_cord[9]=midy;

 /*           *--------------*
       /              \
   *-------*              *-------*
 */

 poly_cord[10]=midx+200;
 poly_cord[11]=midy;

 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
                   *
 */

 poly_cord[12]=midx+200;
 poly_cord[13]=midy+40;

 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
                *----*
 */

 poly_cord[14]=midx+140;
 poly_cord[15]=midy+40;

 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
                *   |
                |   |
                *----*
 */

 poly_cord[16]=midx+140;
 poly_cord[17]=midy+20;

 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
              *----*   |
                |   |
                *----*
 */

 poly_cord[18]=midx+80;
 poly_cord[19]=midy+20;

 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
              *----*   |
              |  |   |
              *  *----*
 */

 poly_cord[20]=midx+80;
 poly_cord[21]=midy+30;


 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
              *----*   |
              |  |   |
         *---------*  *----*
 */

 poly_cord[22]=midx-80;
 poly_cord[23]=midy+30;


 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
         *    *-----*   |
         |     |   |   |
         *--------*   *----*
 */

 poly_cord[24]=midx-80;
 poly_cord[25]=midy+20;


 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
      *-----*    *-----*   |
         |     |   |   |
         *--------*   *----*
 */

 poly_cord[26]=midx-140;
 poly_cord[27]=midy+20;


 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
      *-----*    *-----*   |
      |   |     |   |   |
      *   *--------*   *----*
 */

 poly_cord[28]=midx-140;
 poly_cord[29]=midy+40;


 /*           *--------------*
       /              \
   *-------*              *-------*
                   |
      *-----*    *-----*   |
      |   |     |   |   |
   *----*   *--------*   *----*
 */

 poly_cord[30]=midx-200;
 poly_cord[31]=midy+40;


 /*            *--------------*
       /                \
      /                    \
     /                        \
 *-------*                          *-------*
 |                           |
 |   *-----*               *-----*    |
 |   |   |               |   |    |
 *-----*   *------------------*   *-----*
 */

 poly_cord[32]=midx-200;
 poly_cord[33]=midy;


 drawpoly(17,poly_cord);
}

void front_tyre(int midx,int midy,int angle1,int angle2)
{
 x=(midx-(140+80)/2);
 y=(midy+60);
 r=30;
 tyre_rotation(x,y,r,angle1,angle2);
}

void rear_tyre(int midx,int midy,int angle1,int angle2)
{
 x=(midx+(140+80)/2);
 y=(midy+60);
 r=30;
 tyre_rotation(x,y,r,angle1,angle2);
}

void tyre_rotation(int x,int y,int r,int angle1,int angle2)
{
 int t;
 car_body(midx-2*k,midy);
 circle(x,y,r);
 circle(x,y,r-1);
 circle(x,y,r-2);
 circle(x,y,r-3);
 circle(x,y,r-4);
 circle(x,y,r-5);
 circle(x,y,r-6);
 t=360;
 do
 {
 setfillstyle(2,0);
 pieslice(x,y,angle1,angle2,r-8);
 angle1=angle2+2;
 angle2=angle2+15;
 t=t-15;
 }
 while(t>=0);
 cleardevice();
}
void car_body1(int midx,int midy)
{
 p1[0]=midx-120;
 p1[1]=midy;
 p1[2]=midx+120;
 p1[3]=midy;
 drawpoly(2,p1);
}
void car_body2(int midx,int midy)
{
 p2[0]=midx-70;
 p2[1]=midy;
 p2[2]=midx-70;
 p2[3]=midy-60;
 drawpoly(2,p2);
}
void car_body3(int midx,int midy)
{
 p3[0]=midx+70;
 p3[1]=midy;
 p3[2]=midx+70;
 p3[3]=midy-60;
 drawpoly(2,p3);
}

Happy Birthday sound in C

Sunday, September 13, 2015 Special Programs No comments

//Happy Birthday sound in C
#include<dos.h>
#include<stdio.h>
int main(void)
{
float g3=195,a3=220,c4=263,b3=247,d4=293,g4=393,e4=330,f4=351;

sound(g3);
delay(100);
nosound();
sound(g3);
delay(500);
nosound();
sound(a3);
delay(500);
nosound();
sound(g3);
delay(500);
nosound();
sound(c4);
delay(500);
nosound();
sound(b3);
delay(1000);
nosound();
//delay(500);

sound(g3);
delay(100);
nosound();
sound(g3);
delay(500);
nosound();
sound(a3);
delay(500);
nosound();
sound(g3);
delay(500);
nosound();
sound(d4);
delay(500);
nosound();
sound(c4);
delay(1000);
nosound();

sound(g3);
delay(100);
nosound();
sound(g3);
delay(500);
nosound();
sound(g4);
delay(500);
nosound();
sound(e4);
delay(500);
nosound();
sound(c4);
delay(500);
nosound();
sound(a3);
delay(1000);
nosound();

sound(g4);
delay(100);
nosound();
sound(g4);
delay(500);
nosound();
sound(f4);
delay(500);
nosound();
sound(c4);
delay(500);
nosound();
sound(d4);
delay(500);
nosound();
sound(c4);
delay(500);
nosound();
return 0;
}

Graphic program to design calculator

Sunday, September 13, 2015 Basic C Programs, Special Programs 2 comments

In this program I used C graphics.
Not a big task, Only we need to know how to initialize Graphics then we can use inbuilt functions to design anything.
initgraph() is the function used to initialize graphics available in graphics.h library. It takes three parameter first one is reference to graphic driver, second one is reference to graphic mode and the last one is BGI library path.
Other functions I used are rectangle() to draw input box and buttons, line() for design, setcolor() to give color to shapes and outtextxy() to display text at specific x and y coordinates.

It looks like this :

//Graphic program to design calculator
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
#include<stdlib.h>
void main()
{
 int gdriver = DETECT,gmode,i,x,y;
 initgraph(&gdriver,&gmode,"c:\\turboc3\\bgi");
 x= getmaxx();
 y= getmaxy();
// printf("%d",x);
// printf("  %d",y);
 setcolor(14);

 rectangle(100,40,520,350);         //Outer boundary
 rectangle(120,65,500,145);        //Outer display boundary
 rectangle(125,70,495,140);        //Inner display boundary
 line(100,150,520,150);

 rectangle(120,180,170,200);        //ON/AC key
 outtextxy(122,185,"ON/AC");
 rectangle(180,180,230,200);        //CE/C key
 outtextxy(182,185,"CE/C");
 rectangle(240,180,290,200);        //TAX- key
 outtextxy(242,185,"TAX-");
 rectangle(300,180,350,200);        //RECALL+ key
 outtextxy(302,183,"RECALL");
 outtextxy(302,192,"TAX+");

 rectangle(120,220,170,240);        // % key
 outtextxy(140,225,"%");
 rectangle(180,220,230,240);        // 7 key
 outtextxy(200,225,"7");
 rectangle(240,220,290,240);        // 8 key
 outtextxy(260,225,"8");
 rectangle(300,220,350,240);        // 9 key
 outtextxy(320,225,"9");

 rectangle(120,250,170,270);        //    R
 outtextxy(130,255,"M");            //   Mc
 outtextxy(140,252,"R");            //     key
 outtextxy(140,258,"c");
 rectangle(180,250,230,270);        // 4 key
 outtextxy(200,255,"4");
 rectangle(240,250,290,270);        // 5 key
 outtextxy(260,255,"5");
 rectangle(300,250,350,270);        // 6 key
 outtextxy(320,255,"6");

 rectangle(120,280,170,300);       // M- key
 outtextxy(140,285,"M-");
 rectangle(180,280,230,300);       // 1 key
 outtextxy(200,285,"1");
 rectangle(240,280,290,300);       // 2 key
 outtextxy(260,285,"2");
 rectangle(300,280,350,300);       // 3 key
 outtextxy(320,285,"3");

 rectangle(120,310,170,330);        // M+ key
 outtextxy(140,315,"M+");
 rectangle(180,310,230,330);       // 0 key
 outtextxy(200,315,"0");
 rectangle(240,310,290,330);       // 00 key
 outtextxy(260,315,"00");
 rectangle(300,310,350,330);      // . key
 outtextxy(320,315,".");

 rectangle(370,180,420,200);       //SET key
 outtextxy(372,185,"SET");
 rectangle(430,180,485,200);       //AUTO REPLAY key
 outtextxy(432,183,"AUTO");
 outtextxy(432,192,"REPLAY");

 rectangle(370,220,420,240);      //Root key
 outtextxy(390,225,"__");
 outtextxy(385,230,"v");
 rectangle(430,220,485,240);      // CORRECT 00->0 key
 outtextxy(431,222,"CORRECT");
 outtextxy(431,230,"00 ->0");

 rectangle(370,250,420,270);      // X key
 outtextxy(390,255,"X");
 rectangle(430,250,485,270);      // / key
 outtextxy(450,255,"/");

 rectangle(370,280,420,330);      // + key
 outtextxy(393,295,"+");
 rectangle(430,280,485,300);      // - key
 outtextxy(450,285,"-");


 rectangle(430,310,485,330);    // = key
 outtextxy(450,315,"=");

 getch();
}

Program to make arithmetic operations on complex numbers

Sunday, September 13, 2015 Basic C Programs 1 comment

//Program to make arithmetic operations on complex numbers 
#include<stdio.h>
#include<conio.h>
#include<process.h>
int r1,r2,i1,i2,r,i,t,choice;
char ch='y';
void add();
void sub();
void mul();
void div();
void main()
{
  do
  {
   clrscr();
   printf("enter real & imaginary of first number : \n");
   scanf("%d%d",&r1,&i1);
   printf("enter real & imaginary of second number : \n");
   scanf("%d%d",&r2,&i2);
   printf("\n");
   clrscr();
   printf("\t\t\tPress 1 for addition\n");
   printf("\t\t\tPress 2 for subtraction\n");
   printf("\t\t\tPress 3 for multiplication\n");
   printf("\t\t\tPress 4 for division\n");
   printf("Enter your choice : ");
   scanf("%d",&choice);
   clrscr();
   switch(choice)
   {
    case 1:
    add();
    break;

    case 2:
    sub();
    break;

    case 3:
    mul();
    break;

    case 4:
    div();
    break;

    default:
    exit(0);
   }

   printf("\n\n\nDo you want to continue ? \n\t\t[Y/N]");
   scanf("%c",&ch);
   ch=getch();
 }
  while(ch=='y'||ch=='Y');
}

 void add()
 {
   r=r1+r2;
   i=i1+i2;
   if(i1<0&&i2<0)
   printf("\n\n\t\t %d%di & %d%di \n\n",r1,i1,r2,i2);
   else
   {
    if(i1<0)
    printf("\n\n\t\t %d%di & %d+%di \n\n",r1,i1,r2,i2);
    else
    {
     if(i2<0)
     printf("\n\n\t\t %d+%di & %d%di \n\n",r1,i1,r2,i2);
     else
     printf("\n\n\t\t %d+%di & %d+%di \n\n",r1,i1,r2,i2);
    }
   }
   if(i==0&&r==0)
   printf("Addition is 0");
   else
   {
    if(r==0)
    printf("Addition is %di",i);
    else
    {
     if(i>0)
      printf("Addition is %d+%di",r,i);
     else
     {
      if(i==0)
      printf("Addition is %d",r);
      else
      printf("Addition is %d%di",r,i);
     }
    }
   }
 }
 void sub()
 {
   r=r1-r2;
   i=i1-i2;
   if(i1<0&&i2<0)
   printf("\n\n\t\t %d%di & %d%di \n\n",r1,i1,r2,i2);
   else
   {
    if(i1<0)
    printf("\n\n\t\t %d%di & %d+%di \n\n",r1,i1,r2,i2);
    else
    {
     if(i2<0)
     printf("\n\n\t\t %d+%di & %d%di \n\n",r1,i1,r2,i2);
     else
     printf("\n\n\t\t %d+%di & %d+%di \n\n",r1,i1,r2,i2);
    }
   }
   if(i==0&&r==0)
   printf("Subtraction is 0");
   else
   {
    if(r==0)
    printf("Subtraction is %di",i);
    else
    {
     if(i>0)
     printf("Subtraction is %d+%di",r,i);
     else
     {
      if(i==0)
      printf("Subtraction is %d",r);
      else
      printf("Subtraction is %d%di",r,i);
     }
    }
   }
 }

 void mul()
 {
   r=r1*r2-i1*i2;
   i=r1*i2+i1*r2;
   if(i1<0&&i2<0)
   printf("\n\n\t\t %d%di & %d%di \n\n",r1,i1,r2,i2);
   else
   {
    if(i1<0)
    printf("\n\n\t\t %d%di & %d+%di \n\n",r1,i1,r2,i2);
    else
    {
     if(i2<0)
     printf("\n\n\t\t %d+%di & %d%di \n\n",r1,i1,r2,i2);
     else
     printf("\n\n\t\t %d+%di & %d+%di \n\n",r1,i1,r2,i2);
    }
   }
   if(i==0&&r==0)
   printf("Multiplication is 0");
   else
   {
    if(r==0)
    printf("Multiplication is %di",i);
    else
    {
     if(i>0)
     printf("Multiplication is %d+%di",r,i);
     else
     {
      if(i==0)
      printf("Multiplication is %d",r);
      else
      printf("Multiplication is %d%di",r,i);
     }
    }
   }
 }

 void div()
 {
   r=r1*r2+i1*i2;
   i=i1*r2-r1*i2;
   t=r2*r2+i2*i2;
   if(i1<0&&i2<0)
   printf("\n\n\t\t %d%di & %d%di \n\n",r1,i1,r2,i2);
   else
   {
     if(i1<0)
     printf("\n\n\t\t %d%di & %d+%di \n\n",r1,i1,r2,i2);
     else
     {
      if(i2<0)
      printf("\n\n\t\t %d+%di & %d%di \n\n",r1,i1,r2,i2);
      else
      printf("\n\n\t\t %d+%di & %d+%di \n\n",r1,i1,r2,i2);
     }
    }
      if(i>0)
      printf("Division is %d/%d+%di/%d",r,t,i,t);
      else
      printf("Division is %d/%d%di/%d",r,t,i,t);
 }

Study Material for BCA Students

Sunday, September 13, 2015

Typing practice with bubble game

MS Paint like program in C

Graphic program to design a moving car

Happy Birthday sound in C

Graphic program to design calculator

Program to make arithmetic operations on complex numbers

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