Best collection of C programs

2011-01-04T03:50:00.001-08:00

XOR list example

#include <stdio.h>
#include <conio.h>
#include

struct xnode
{
int data;
unsigned long direction;
};

struct xnode *add_data(int data, struct xnode* list);
void walk_list(struct xnode *list);

int main(void)
{

struct xnode *l2 = add_data(2, NULL);
struct xnode *l1 = add_data(1, l2);
struct xnode *l3 = add_data(3, l2);
struct xnode *l4 = add_data(4, l3);

printf("front -> back....\n");
walk_list(l1);
printf("back -> front....\n");
walk_list(l4);

return 0;
}

struct xnode *add_data(int data, struct xnode *list)
{
struct xnode *newxnode = malloc(sizeof(struct xnode));

assert(newxnode);
newxnode->direction = (unsigned long)list;
newxnode->data = data;

if(list != NULL)
list->direction ^= (unsigned long)newxnode;

return newxnode;
}

void walk_list(struct xnode *list)
{
unsigned long prev = 0;

while(list != NULL) {
unsigned long next = prev ^ list->direction;
printf("%d ", list->data);
prev = (unsigned long)list;
list = (struct xnode *)next;
}

printf("\n");
}

2011-01-04T03:49:00.003-08:00

SWAP NUMBERS

WAP TO SWAP THE THREE DIGIT NUMBER

void main ()

{

int b,r,n,r1,r2;

clrscr ();

printf ("Enter the Value: ");

scanf ("%d",&n);

r=n%10;

n=n/10;

r1=n%10;

n=n/10;

r2=n%10;

n=n/10;

b=(r*100)*(r2*10)+(r2);

printf ("%d%d%d",r,r1,r2);

getch ();

}

2011-01-04T03:49:00.001-08:00

SUM OF ARRAY

WAP TO SUM OF FIVE ELEMENTS OF AN ARRAY

void main ()

{

int no[5],i,sum;

clrscr ();

for (i=0;i<=4;i++)

{

printf ("Enter Element: ");

scanf ("%d",&no[i]);

}

sum=no[0]+no[1]+no[2]+no[3]+no[4];

printf ("\nSum of five Elements: %d",sum);

getch ();

}

2011-01-04T03:48:00.001-08:00

SUM,SUB,PRODUCT,DIVISION

WAP TO SUM, SUBTRACT, MULTIPLY & DIVISION OF TWO NUMBERS (5 VARIABLES)

#include

void main ()

{

int a,b,c,d,e,f;

clrscr();

printf ("Enter A: ");

scanf ("%d",&a);

printf ("Enter B: ");

scanf ("%d",&b);

c=a+b;

d=a-b;

e=a*b;

f=a/b;

printf ("\nSum is : %d",c);

printf ("\nSubtraction is : %d",d);

printf ("\nMultiplication is : %d",e);

printf ("\nDivision is : %d",f);

getch ();

}

Output

Method #2
WAP TO SUM, SUBTRACT, MULTIPLY & DIVISION OF TWO NUMBERS (3 VARIABLES)

#include

void main ()

{

int a,b,c;

clrscr();

printf ("Enter A: ");

scanf ("%d",&a);

printf ("Enter B: ");

scanf ("%d",&b);

c=a+b;

printf ("\nSum is %d",c);

c=a-b;

printf ("\nSubtraction is %d",c);

c=a*b;

printf ("\nMultiplication is %d",c);

c=a/b;

printf ("\nDivision is %d",c);

getch ();

}

Output

2011-01-04T03:47:00.001-08:00

REVERSE NUMBER

WAP TO REVERSE OF ANY NUMBER USING WHILE LOOP

void main ()

{

int no,r,res;

clrscr ();

printf ("Enter any value: ");

scanf ("%d",&no);

r=res=0;

while (no>0)

{

r=no%10;

no=no/10;

res=(res*10)+r;

}

printf ("\nReverse is %d",res);

getch ();

}

2011-01-04T03:46:00.003-08:00

VALUE OF DATA TYPE

WAP TO PRINT VALUE OF MULTIPLE DATA TYPES

#include

void main ()

{

int a=10;

float d=40.50;

char ch='A';

double dbl=78.9786;

long lng=7897711;

char nm [10]="JIMMY";

clrscr ();

printf ("\nInteger value is %d",a);

printf ("\nFloat value is %.2f",d);

printf ("\nCharacter value is %c",ch);

printf ("\nDouble value is %.4lf",dbl);

printf ("\nLong value is %ld",lng);

printf ("\nString value is %s",nm);

getch ();

}

2011-01-04T03:46:00.001-08:00

PASSWORD VERIFICATION

WAP TO PRINT THE DETAIL OF THE PROGRAMMER
IF THE GIVEN NUMBER IS 464

void main ()

{

int pass;

clrscr();

{

printf ("Enter Password to see the detail of programmer:\n");

scanf ("%d",&pass);

}

while (pass!=464);

printf ("\nJagjeet Singh");

printf ("\nB.Sc. (I.T.)\nPunjab Technical University");

getch ();

}

2011-01-04T03:44:00.001-08:00

TABLE OF 5

WAP TO PRINT TABLE OF 5

void main ()

{

int a,tab;

clrscr ();

a=1,tab=0;

while (a<=10)

{

tab=5*a;

a++;

printf ("%d\n",tab);

}

getch ();

}

2011-01-04T03:43:00.001-08:00

PRINT STARS

WAP TO PRINT STARS ON SCREEN

void main ()

{

int i,j;

clrscr();

for (j=1;j<4;j++)

{

for (i=1;i<=5;i++)

{

printf ("*");

}

printf ("\n");

}

getch ();

}

2011-01-04T03:42:00.003-08:00

PRINT SERIES (VARIABLE)

WAP TO PRINT SERIES FROM START TO END USING DO-WHILE LOOP

void main ()

{

int a,b;

clrscr ();

printf ("Enter Start: ");

scanf ("%d",&a);

printf ("Enter End: ");

scanf ("%d",&b);

{

printf ("%d\n",a);

a++;

}

while (a<=b);

getch ();

}

2011-01-04T03:42:00.001-08:00

SERIES 20 TO 1

WAP TO PRINT SERIES FROM 20 TO 1

#include

void main ()

{

int a;

clrscr ();

a=20;

while (a>=1)

{

printf ("\n%d",a);

a--;

}

getch ();

}

2011-01-04T03:41:00.001-08:00

SKIP 5 & 7

WAP TO PRINT SERIES FROM 1 TO 10 AND SKIP 5 & 7

void main ()

{

int a;

clrscr ();

for (a=1;a<=10;a++)

{

if (a==5 || a==7)

continue;

printf ("%d\n",a);

}

getch ();

}

2011-01-04T03:40:00.001-08:00

SQUARE & CUBE

WAP TO PRINT SERIES FROM 1 TO 10 & FIND ITS SQUARE AND CUBE

void main ()

{

int a=1,sqr=0,cube=0;

clrscr ();

while (a<=10)

{

sqr=pow(a,2);

cube=pow(a,3);

printf ("%d\t %d\t %d\n",a,sqr,cube);

a++;

}

getch ();

}

2011-01-04T03:39:00.003-08:00

SERIES BREAK ON 5

WAP TO PRINT SERIES FROM 1 TO 10 AND BREAK ON 5

void main ()

{

int a;

clrscr ();

for (a=1;a<=10;a++)

{

if (a==5)

break;

printf ("%d\n",a);

}

getch ();

}

2011-01-04T03:39:00.001-08:00

ODD SERIES

WAP TO PRINT ODD NUMBERS FROM 1 TO 20

void main ()

{

int a;

clrscr ();

a=1;

while (a<=20)

{

if (a%2==1)

printf ("\n%d",a);

a++;

}

getch ();

}

2011-01-04T03:38:00.001-08:00

NUMBERS DIVIDED BY 7

WAP TO PRINT NUMBERS FROM 1-50 WHICH ARE DIVIDED BY 7

void main ()

{

int a;

clrscr ();

a=1;

while (a<=50)

{

if (a%7==0)

printf ("%d\n",a);

a++;

}

getch ();

}

2011-01-04T03:37:00.001-08:00

ENTER & DISPLAY

WAP TO PRINT NAME AND DISPLAY ON SCREEN

void main ()

{

char name [15];

clrscr ();

printf ("Enter your name: ");

gets (name);

printf ("\nme is: %s",name);

getch ();

}

2011-01-04T03:36:00.001-08:00

FABBONIC SERIES

WAP TO PRINT FABBONIC SERIES FROM 1 TO 55

void main ()

{

int a,b,c;

clrscr ();

a=0;b=1;c=1;

printf ("%d\n%d",a,b);

while (c<55)

{

c=a+b;

printf ("\n%d",c);

a=b;

b=c;

}

getch ();

}

2011-01-04T03:35:00.001-08:00

ODD SERIES 20 TO 1

WAP TO PRINT EVEN & ODD NUMBERS FROM 20 TO 1

void main ()

{

int a;

clrscr ();

a=20;

while (a>=1)

{

if (a%2==0)

printf ("%d\t",a);

else

printf ("%d\n",a);

a--;

}

getch ();

}

2011-01-04T03:34:00.003-08:00

ASCII CODE - 0 TO 255

WAP TO PRINT ASCII CODE FROM 0 TO 255

void main ()

{

int i=0,count=0;

clrscr ();

for(i=0;i<=255;i++)

{

if (count>24)

{count=0;getch();}

else

{printf("%d=%c\n",i,i);

count++;}

}

getch ();

}

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2011-01-04T03:34:00.001-08:00

PRINT NAME 10 TIMES

WAP TO PRINT ANY NAME ON SCREEN 10 TIMES

void main ()

{

int a=1;

clrscr();

{

printf ("Jagjeet\n");

a++;

}

while (a<=10);

getch ();

}

2011-01-04T03:33:00.001-08:00

PRINT MESSAGE

WAP TO PRINT ANY MESSAGE ON SCREEN

#include

void main ()

{

clrscr ();

printf ("Hello");

getch();

}

Output

2011-01-04T03:32:00.001-08:00

STRING LENGTH

WAP TO FIND THE LENGTH OF ANY STRING

void main ()

{

char ch [20];

int l;

clrscr ();

printf ("Enter String: ");

gets (ch);

l=strlen(ch);

printf ("Length of string is %d",l);

getch ();

}

2011-01-04T03:31:00.003-08:00

FACTORIAL NUMBER

WAP TO FIND THE FACTORIAL OF THE NUMBER (1X2X3X4)

void main ()

{

int fact=1,no;

clrscr();

printf ("Enter any number: ");

scanf ("%d",&no);

{

fact=fact*no;

no--;

}

while (no>0);

printf ("\nFactorial is %d",fact);

getch ();

}

2011-01-04T03:31:00.001-08:00

PRIME NUMBER

WAP TO FIND THAT NUMBER IS PRIME OR NOT (7,11,13,17,19 ETC.)

void main ()

{

int no,i=2;

clrscr ();

printf ("Enter Number: ");

scanf ("%d",&no);

while (i<=no)

{

if (no%i==0)

break;

i++;

}

if (i==no)

printf ("Number is Prime");

else

printf ("Number is not Prime");

getch ();

}