ANNA UNIVERSITY COMPUTER SCIENCE AND ENGINEERING MATERIALS DOWNLOAD: Lab Program

Showing posts with label Lab Program. Show all posts

Saturday, January 11, 2014

PROGRAM FOR USAGE OF DATE AND TIME

n=`date +%H`

i=`date +%T`

echo $i

if test $n -lt 12

then

echo good morning

elif test $n -gt 12 -a $n -lt 16

then

echo good afternoon

elif test $n -gt 16 -a $n -lt 18

then

echo good evening

else

echo good night

OUTPUT

"wishdate" 15L, 214C written

[staff@linuxserver staff]$ sh wishdate

10:03:19

good morning

[staff@linuxserver staff]$

PROGRAM TO DETERMINE WHETHER THE GIVEN YEAR IS LEAP YEAR

echo enter a year

read n

if test `expr $n % 4` -eq 0

then

echo leap year

else

echo not a leap year

OUTPUT

[staff@linuxserver staff]$ sh leap

enter a year

2008

leap year

[staff@linuxserver staff]$ sh leap

enter a year

2009

not a leap year

PROGRAM TO GENERATE THE FINOCCI SERIES

echo "enter the number"

read n

echo "The result is"

c=0

a=0

b=1

echo "$a"

echo "$b"

n=`expr $n - 2`

while test $n -ne 0

c=`expr $a + $b`

echo "$c"

a=$b

b=$c

n=`expr $n - 1`

done

OUTPUT:

[eceb33@linuxserver eceb33]$ sh fiboo

enter the number

The result is

PROGRAM TO DETERMINE THE SQUARE OF A SET OF NUMBERS

echo "Enter the starting number"

read c

echo "Enter the limit number"

read b

s=0

while test $c -le $b

s=`expr $c \* $c`

echo "$c * $c : $s"

c=`expr $c + 1`

done

OUTPUT:

"square" 12L, 168C written

[eceb33@linuxserver eceb33]$ sh square

Enter the starting number

Enter the limit number

5 * 5 : 25

6 * 6 : 36

7 * 7 : 49

8 * 8 : 64

9 * 9 : 81

10 * 10 : 100

PROGRAM TO DETERMINE WHETHER THE GIVEN NUMBER IS EVEN OR ODD

echo "Enter the number"

read n

if test `expr $n \% 2` -eq 0

then

echo "$n is even"

else

echo "$n is odd"

OUTPUT

[eceb33@linuxserver eceb33]$ sh odd

Enter the number

34 is even

[eceb33@linuxserver eceb33]$ sh odd

Enter the number

73 is odd

PROGRAM TO DETERMINE THE AREA OF A TRIANGLE

echo "Enter the base and height of the triangle"

read b

read h

c=`expr $b \* $h \* $h`

area=`expr $c / 2`

echo " Area of the triangle is $area"

OUTPUT

[staff@linuxserver staff]$ sh triangle.c

Enter the base and height of the triangle

Area of the triangle is 320

PROGRAM TO FIND THE REVERSE OF A NUMBER

echo "enter the number"

read n

u=0

while test $n -ne 0

u=`expr $n % 10`

n=`expr $n / 10`

echo $u

done

OUTPUT:

[eceb33@linuxserver eceb33]$ sh reverse

enter the number

347

PROGRAM TO DETERMINE THE GIVEN NUMBER IS ARMSTRONG OR NOT

echo "Enter the no"

read n

i=0

k=$n

while test $n -ne 0

u=`expr $n % 10`

i=`expr $i + $u \* $u \* $u`

n=`expr $n \/ 10`

done

if test $k -eq $i

then

echo "$k is a armstrong number"

else

echo "$k is not armstrong number"

"arm" 16L, 225C 15,1 All

Output:

"arm" 16L, 225C written

[eceb33@linuxserver eceb33]$ sh arm

Enter the no

153

153 is a armstrong number

PROGRAM TO DISPLAY EMPLOYEE DETAILS (FILE MANAGEMENT)

#include<stdio.h>

main()

{

int empno;

char empname[25],dept[25];

FILE *ptr;

ptr=fopen("emp1.dat","w");

printf("Enter Name, No, Dept\n");

scanf("%s%d%s",empname,&empno,dept);

fclose(ptr);

ptr=fopen("emp1.dat","r");

fscanf(ptr,"%s%d%s",empname,&empno,dept);

printf(" Emp Name : %s\n",empname);

printf(" Emp No : %d\n",empno);

printf(" Department: %s\n",dept);

}

"filemgt.c" 16L, 364C 16,1 All

OUTPUT

"filemgt.c" 16L, 364C written

[staff@linuxserver staff]$ ./a.out

Enter Name, No, Dept

rasi

cse

Emp Name : rasi

Emp No : 68

Department: cse

PROGRAM TO SWAP TWO NUMBERS USING POINTERS

#include<stdio.h>

void swap(int *,int *);

main()

{

//swap(int,int);

int a=10,b=20;

printf("Before Swapping:\na=%d\nb=%d\n",a,b);

swap(&a,&b);

}

void swap(int *x,int *y)

{

int z;

z=*x;

*x=*y;

*y=z;

printf("After Swapping:\na=%d\nb=%d\n",*x,*y);

}

"swapp.c" 17L, 246C 16,1 All~

OUTPUT:

"swapp.c" 17L, 232C written

[staff@linuxserver staff]$ cc swapp.c

[staff@linuxserver staff]$ ./a.out

Before Swapping:

a=10

b=20

After Swapping:

a=20

b=10

PROGRAM TO DISPLAY STUDENT DETAILS USING POINTERS

#include<stdio.h>

main()

{

int regno,m1,m2,m3,total;

float avg;

char name[25];

int *p1,*p2,*p3;

p1=&m1;

p2=&m2;

p3=&m3;

printf("Enter sutdent name: \n");

scanf("%s",name);

puts("Enter regno: ");

scanf("%d",&regno);

printf("Enter the 3 subject marks: \n");

scanf("%d\n%d\n%d",&m1,&m2,&m3);

total=*p1+ *p2+ *p3;

avg=(float)total/3;

printf("Student Details:\n");

printf("Name : %s\n",name);

printf("RegNo : %d\n", regno);

printf("Subject mark1: %d\n",*p1);

printf("Subject mark2: %d\n",*p2);

printf("Subject mark3: %d\n",*p3);

printf("Total : %d\n",total);

printf("Average : %f\n",avg);

}

-- INSERT -- 19,25 All~

OUTPUT:

"stud_pter.c" 28L, 613C written

[staff@linuxserver staff]$ cc stud_pter.c

[staff@linuxserver staff]$ ./a.out

Enter sutdent name:

rasi

Enter regno:

4240668

Enter the 3 subject marks:

Student Details:

Name : rasi

RegNo : 4240668

Subject mark1: 78

Subject mark2: 67

Subject mark3: 90

Total : 235

Average : 78.333336

PROGRAM TO PERFORM MENU DRIVEN ARITHMETIC OPERATIONS USING FUNCTION

#include<stdio.h>

main()

{

int ch,a,b,c;

printf("Perform arithmetic functions\n");

printf("Enter a,b\n");

scanf("%d\n%d",&a,&b);

while(1)

{

printf("\n1.ADDITION\n2.subtraction\n3.multiplication\n4.division\n");

printf("Enter UR Choice: ");

scanf("\n%d",&ch);

switch(ch)

{

case 1:

add(a,b);

break;

case 2:

sub(a,b);

break;

case 3:

mul(a,b);

break;

case 4:

div(a,b);

break;

default:

printf("wrong value\n");

exit(0);

}

int add(int p,int q)

{

int c;

c=p+q;

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

}

int sub(int p,int q)

{

int c;

c=p-q;

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

}

int mul(int p,int q)

{

int c;

c=p*q;

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

}

int div(int p,int q)

{

int c;

c=p/q;

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

}

OUTPUT:

"menudriven.c" 70L, 777C written

[staff@linuxserver staff]$ cc menudriven.c

[staff@linuxserver staff]$ ./a.out

Perform arithmetic functions

Enter a,b

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice: 2

Answer is: 9

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice: 1

Answer is: 15

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice: 3

Answer is: 36

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice: 4

Answer is: 4

1.ADDITION

2.subtraction

3.multiplication

4.division

Enter UR Choice: 5

wrong value

PROGRAM TO FIND FACTORIAL OF A GIVEN NUMBER USING RECURSION

#include<stdio.h>

main()

{

int f,n;

printf("Enter the value for finding factorial\n");

scanf("%d",&n);

f=fact(n);

printf("Factorial of %d is %d\n",n,f);

}

int fact(int a)

{

int fa;

if(a==1||a==0)

return 1;

else

fa=a*fact(a-1);

return(fa);

}

"factrec.c" 20L, 243C 13,1 All

OUTPUT:

"factrec.c" 20L, 243C written

[staff@linuxserver staff]$ ./a.out

Enter the value for finding factorial

Factorial of 7 is 5040

[staff@linuxserver staff]$

PROGRAM TO STORE A STRING OF 5 CHARACTERS (DYNAMIC ALLOCATION)

#include<stdio.h>

#include<malloc.h>

main()

{

char *cp;

int i;

cp=(char *)calloc(5,1);

printf("the storage address of memory\n");

printf("Block address :%u\n",cp);

printf("enter the string having 5 characters\n");

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

{

*cp++=getchar();

printf("the character %d is %c\n",i,*(cp-1));

printf("it is stored in the address %u\n",(cp-1));

}

"dynamic.c" 18L, 354C 10,1 All

OUTPUT:

"dynamic.c" 18L, 354C written

[staff@linuxserver staff]$ cc dynamic.c

[staff@linuxserver staff]$ ./a.out

the storage address of memory

Block address :134518568

enter the string having 5 characters

nisha

the character 1 is n

it is stored in the address 134518568

the character 2 is i

it is stored in the address 134518569

the character 3 is s

it is stored in the address 134518570

the character 4 is h

it is stored in the address 134518571

the character 5 is a

it is stored in the address 134518572

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Saturday, January 11, 2014