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Sunday, June 17, 2012

68. PROGRAM TO READ AND WRITE INTEGER VALUES

//WAP TO READ AND WRITE INTEGER VALUES
#include<stdio.h>
#include<conio.h>
void main()
{
FILE *f1,*f2,*f3;
int number,i;
clrscr();
printf("\n\nENTER THE CONTENTS IN A FILE\n\n");
f1=fopen("data","w");
for(i=0;i<=9;i++)
{
scanf("%d",&number);
if(number==-1)
break;
putw(number,f1);
}
fclose(f1);
f1=fopen("data","r");
f2=fopen("odd","w");
f3=fopen("even","w");
while((number=getw(f1))!=EOF)
{
if(number%2==0)
putw(number,f3);
else
putw(number,f2);
}
fclose(f1);
fclose(f2);
fclose(f3);
f2=fopen("odd","r");
f3=fopen("even","r");
printf("\n\nCONTENTS OF ODD FILE\n\n");
while((number=getw(f2))!=EOF)
{
printf("%d",number);
printf("\t");
}
printf("\n\nCONTENTS OF EVEN FILE\n\n");
while((number=getw(f3))!=EOF)
{
printf("%d",number);
printf("\t");
}
fclose(f2);
fclose(f3);
getch();
}
/**************************************************************************
OUTPUT
**************************************************************************

ENTER THE CONTENTS IN A FILE

1 2 3 4 5 6 7 8 9 0^Z

CONTENTS OF ODD FILE

1 3 5 7 9

CONTENTS OF EVEN FILE

2 4 6 8 0
*/

Saturday, June 16, 2012

66. PROGRAM TO COPY ONE STRING TO ANOTHER USING POINTERS

//WAP TO COPY ONE STRING TO ANOTHER USING POINTERS
#include<conio.h>
#include<stdio.h>
void copystr(char*,char*);
main()
{
char *str1="YOU ARE COPYING";
char str2[20];
clrscr();
copystr(str2,str1);

printf("\n%s",str2);
getch();
}
void copystr(char *dest,char *src)
{
while(*src!='\0')
{
*dest++=*src++;
}
*dest='\0';
return;
}

/*******************************************************************
OUTPUT
*******************************************************************

YOU ARE COPYING
*/

65. PROGRAM TO DEFINE A STRING USING POINTER NOTATION & ARRAY NOTATION

//WAP TO DEFINE A STRING USING POINTER NOTATION & ARRAY NOTATION
#include<conio.h>
#include<stdio.h>

void main()
{
char str1[]="Defined As An Array";
char *str2="Defined As A Pointer";

clrscr();
printf("\n\n%s",str1);
printf("\n\n%s",str2);
printf("\n\n%s",str2+5);
getch();
}
/***************************************************************
OUTPUT
***************************************************************

Defined As An Array

Defined As A Pointer

ed As A Pointer
*/

64. PROGRAM TO SORT LIST OF NO. WITHOUT CHANGING THE ORIGINAL ARRAY

/*WAP TO SORT LIST OF NO. WITHOUT CHANGING THE ORIGINAL ARRAY.
**************not workng***************/
#include<conio.h>
#include<stdio.h>
void main()
{
int a[20],i,*ptr,j,temp,n;
ptr=a;

clrscr();
printf("\n\nENTER THE SIZE OF THE ARRAY=");
scanf("%d",&n);
printf("\n\nENTER THE ELEMENTS=\n");
for(i=0;i<n;i++)
{
scanf("%d",&a[i]);
ptr[i]=&a[i];
}
for(j=0;j<n-1;j++)
{
for(i=0;i<n-1;i++)
{
if(*ptr[i]>*ptr[i+1])
{
temp=ptr[i];
ptr[i]=ptr[i+1];
ptr[i+1]=temp;
}
}}
printf("\n\nORIGINAL ARRAY IS=");
for(i=0;i<n;i++)
printf("\n%d",a[i]);
printf("\n\nAFTER SORTING ARRAY IS=");
for(i=0;i<n;i++)
printf("%d",*ptr[i]);
getch();
}

63. PROGRAM TO DEMONSTRATE THAT ARRAY ELEMENTS ARE STORED IN CONTIGUOUS MEMORY LOCATION

/*WAP TO DEMONSTRATE THAT ARRAY ELEMENTS ARE STORED IN
CONTIGUOUS MEMORY LOCATION*/
#include<conio.h>
#include<stdio.h>
void main()
{
int x[5]={10,20,30,40,50};
int i;
int *ptr;
ptr=x;
clrscr();
for(i=0;i<5;i++)
printf("\n\nVALUE %d = %d IS STORED AT=%u",i,x[i],ptr+i);
getch();
}
/*************************************************************************
OUTPUT
*************************************************************************

VALUE 0 = 10 IS STORED AT=65516

VALUE 1 = 20 IS STORED AT=65518

VALUE 2 = 30 IS STORED AT=65520

VALUE 3 = 40 IS STORED AT=65522

VALUE 4 = 50 IS STORED AT=65524
*/

61. PROGRAM TO DEMONSTRATE USE OF ADDRESS OF OPERATOR(&) AND INDIRECTION OPERATOR(*) FOR DIFF. PURPOSES

/*WAP TO DEMONSTRATE USE OF ADDRESS OF OPERATOR(&)
AND INDIRECTION OPERATOR(*) FOR DIFF. PURPOSES*/

#include<conio.h>
#include<stdio.h>
void main()
{
int i=5,j=2,*ptr;
ptr=&i;
clrscr();
printf("\n\nADDRESS OF i=%u",&i);
printf("\n\nVALUE STORED IN ptr=%u",ptr);
printf("\n\nVALUE POINTED BY ptr=%d",*ptr);
*ptr=10;
printf("\n\nVALUE OF i=%d",i);
j=*ptr;
printf("\n\nVALUE OF j=%d",j);
getch();
}
/**************************************************************************
OUTPUT
**************************************************************************

ADDRESS OF i=65524

VALUE STORED IN ptr=65524

VALUE POINTED BY ptr=5

VALUE OF i=10

VALUE OF j=10
*/

57. PROGRAM TO CHECK WHETHER THE ENTERED STRING IS PALLINDROME OR NOT

//WAP TO CHECK WHETHER THE ENTERED STRING IS PALLINDROME OR NOT.
#include<conio.h>
#include<stdio.h>
#include<string.h>
void main()
{
char a[20];
char b[20];
char temp[20];
char temp1[20];
char ch='y';
int i;
clrscr();

do
{
fflush(stdin);
puts("\n\nENTER THE STRING:");
gets(a);
printf("\n\nENTERED STRING IS:");
puts(a);
strcpy(temp1,a);
strrev(a);
strcpy(temp,a);
for(i=0;a[i]!='\0';i++)
if(temp1[i]==temp[i])
{
printf("\n\nENTERED STRING IS A PALLINDROME");
break;
}
else
{
printf("\n\nENTERED STRING IS NOT A PALLINDROME");
break;
}
puts("\n\nDO YOU WANT TO CONTINUE?");
scanf("%s",&ch);
}while(ch=='y'||ch=='Y');
puts("\n\nBYE!!BYE!!\n\nPROGRAMMER:ABHISHEK WADHWA");
getch();
}
/*-----------------------------------------------------------
OUTPUT
------------------------------------------------------------

ENTER THE STRING:
NAMAN

ENTERED STRING IS:NAMAN

ENTERED STRING IS A PALLINDROME

DO YOU WANT TO CONTINUE?
Y

ENTER THE STRING:
ABHISHEK

ENTERED STRING IS:ABHISHEK

ENTERED STRING IS NOT A PALLINDROME

DO YOU WANT TO CONTINUE?
N

BYE!!BYE!!

PROGRAMMER:ABHISHEK WADHWA
*/

53. PROGRAM TO PRINT OUT THE NAMES OF THE DAYS OF THE WEEK

//WAP TO PRINT OUT THE NAMES OF THE DAYS OF THE WEEK.
#include<conio.h>
#include<stdio.h>
void main()
{
char day[7][10]={"SUNDAY","MONDAY","TUESDAY","WEDNESDAY","THURSDAY","FRIDAY","SATURDAY"};
int i;
clrscr();
for(i=0;i<7;i++)
{
printf("%s\n\n",day[i]);
}
getch();
}

/*--------------------------------------------------------------
OUTPUT
----------------------------------------------------------------
SUNDAY

MONDAY

TUESDAY

WEDNESDAY

THURSDAY

FRIDAY

SATURDAY
*/

52. PROGRAM TO PRINT ABCDE BCDEA CDEAB DEABC EABCD

/*WAP TO PRINT abcde
bcdea
cdeab
deabc
eabcd*/

#include<conio.h>
#include<stdio.h>
void main()
{
char a[20],temp;
char i,j,n;
clrscr();
printf("\n\nENTER THE STRING:");
gets(a);
puts("\n\n");
n=strlen(a);
puts(a);
for(i=0;i<n-1;i++)
{
temp=a[0];
for(j=0;j<n-1;j++)
{
a[j]=a[j+1];
}
a[n-1]=temp;
puts("\n\n");
puts(a);
}
getch();
}
/*---------------------------------------------------------------
OUTPUT
-----------------------------------------------------------------

ENTER THE STRING:ABCDE

ABCDE

BCDEA

CDEAB

DEABC

EABCD

*/

PROGRAM TO SORT THE CHARACTERS ALPHABATICALLY

//WAP TO SORT THE CHARACTERS ALPHABATICALLY.
#include<conio.h>
#include<stdio.h>
void main()
{
char a[20];
int m,j,k,temp;
clrscr();
printf("\nENTER THE STRING:");
gets(a);
k=strlen(a);
for(j=1;j<=k-1;j++)
for(m=0;m<k-j;m++)
{
if(a[m]>a[m+1])
{
temp=a[m];
a[m]=a[m+1];
a[m+1]=temp;
}
}
printf("\n\nAFTER SORTING STRING IS:\n\n");
puts(a);
getch();
}
/*-------------------------------------------------------------------
OUTPUT
-------------------------------------------------------------------

ENTER THE STRING:BADCFEHGJILK

AFTER SORTING STRING IS:

ABCDEFGHIJKL
*/

Sunday, June 17, 2012

Saturday, June 16, 2012

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