INDEX
Sr.No.
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Title
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Signature
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Date
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1.
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WAP TO PRINT A MESSAGE ON THE SCREEN
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2.
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WAP TO ADD TWO NUMBERS
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3.
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WAP TO SUBTRACT TWO NUMBERS
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4.
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WAP TO MULTIPLY TWO NUMBERS
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5.
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WAP TO DIVIDE TWO NUMBERS
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6.
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WAP TO CALCULATE MODULUS OF TWO NUMBERS
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7.
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WAP TO calculate area of circle
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8.
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WAP USING DO WHILE
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9.
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WAP USING WHILE LOOP
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10.
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WAP USING FOR
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11.
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WAP TO PRINT SUM OF FIRST 10 NATURAL NUMBERS
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12.
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WAP TO FIND GREATER OF TWO NUMBERS
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13.
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PROGRAM FOR SWITCH STATEMENT
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14.
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WAP TO DISPLAY AVERAGE OF
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15.
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WAP FOR CALL BY VALUE USING
FUNCTION
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16.
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WAP FOR CALL BY REFERENCE USING
FUNCTION
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17.
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WAP FOR STRING CONCATENATION
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18.
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WAP FOR COPY ONE STRING INTO
ANOTHER
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19.
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WAP FOR STRING COMPARISION
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20.
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WAP TO CALCULATE LENGTH OF A STRING
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21.
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WAP TO PRINT FIRST 10 NATURAL NUMBERS USING 1D ARRAY
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22.
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WAP TO PRINT ELEMENTS OF 2D
ARRAY
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23.
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WAP TO IMPLEMENT STRUCTURE
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24.
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WAP TO IMPLEMENT STRUCTURE POINTER
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25.
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WAP TO IMPLEMENT
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26.
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WAP TO COUNT CHARS, SPACES, TABS AND NEWLINES IN A FILE
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27.
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WAP TO COPY ONE FILE INTO ANOTHER FILE
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PROGRAM 1
AIM: WAP TO
PRINT A MESSAGE ON THE SCREEN
#include<stdio.h>
#include<conio.h>
void main()
{
printf("Welcome
BCA 1st year students”);
getch();
}
Output:
Welcome BCA 1st year students
PROGRAM 2
AIM: WAP TO
ADD TWO NUMBERS
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("Enter
the value of a and b \n");
scanf("%d%d",&a,&b);
c=a+b;
printf("SUM
= %d”,c);
getch();
}
Output:
Enter the value of a and b
10
20
SUM = 30
PROGRAM 3
AIM: WAP TO
SUBTRACT TWO NUMBERS
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("Enter
the value of a and b \n");
scanf("%d%d",&a,&b);
c=a-b;
printf("SUBTRACTION
= %d”,c);
getch();
}
Output:
Enter the value of a and b
20
10
SUBTRACTION = 10
PROGRAM 4
AIM: WAP TO
MULTIPLY TWO NUMBERS
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("Enter
the value of a and b \n");
scanf("%d%d",&a,&b);
c=a*b;
printf("MULTIPLICATION
= %d”,c);
getch();
}
Output:
Enter the value of a and b
10
20
MULTIPLICATION = 200
PROGRAM 5
AIM: WAP TO
DIVIDE TWO NUMBERS
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("Enter
the value of a and b \n");
scanf("%d%d",&a,&b);
c=a/b;
printf("DIVISION
= %d”,c);
getch();
}
Output:
Enter the value of a and b
20
10
DIVISION = 2
PROGRAM 6
AIM: WAP TO
CALCULATE MODULUS OF TWO NUMBERS
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("Enter
the value of a and b \n");
scanf("%d%d",&a,&b);
c=a%b;
printf("MODULUS
= %d”,c);
getch();
}
Output:
Enter the value of a and b
15
10
MODULUS = 5
PROGRAM 7
AIM: WAP TO
CALCULATE AREA OF CIRCLE
#include<stdio.h>
#include<conio.h>
void main()
{
int r;
float a=3.14,area;
clrscr();
printf("to
calculate area of circle \n");
printf("enter
the value of r \n");
scanf("%d",&r);
area=a*r*r;
printf("area
of the circle is %f,area);
getch();
}
Output:
to calculate
area of circle
enter the
value of r
2
area of the
circle is 12.56
PROGRAM 8
AIM:WAP USING DO WHILE LOOP
#include<stdio.h>
#include<conio.h>
void main()
{
int i=1;
do
{
printf("i=%d",i);
i++;
}
while(i<=5);
getch();
}
OUTPUT:
i=1i=2i=3i=4i=5
PROGRAM 9
AIM:WAP USING WHILE LOOP
#include<stdio.h>
#include<conio.h>
void main()
{
int i=1;
while(i<=5)
{
printf("i=%d",i);
i++;
}
getch();
}
OUTPUT:
i=1i=2i=3i=4i=5
PROGRAM 10
AIM:WAP USING FOR LOOP
#include<stdio.h>
#include<conio.h>
void main()
{
int i;
for(i=1;i<=5;i++)
{
printf("i=%d",i);
}
getch();
}
OUTPUT:
i=1i=2i=3i=4i=5
PROGRAM 11
AIM : WAP
TO PRINT SUM OF FIRST 10 NATURAL NUMBERS
#include<stdio.h>
#include<conio.h>
void main()
{
int i,sum=0;
clrscr();
for(i=1;i<=10;i++)
{
sum=sum+i;
}
printf("sum=%d",sum);
getch();
}
OUTPUT
sum=55
PROGRAM 12
AIM : WAP
TO FIND GREATER OF TWO NUMBERS
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,g;
clrscr();
printf("to
find greater of two numbers");
printf("enter
the value of a and b\n");
scanf("%d%d\n",&a,&b);
if(a>b)
printf("a
is greater than b\n");
else
printf("b
is greater than a\n");
getch();
}
Output
to find greater of two numbers enter the value of a and b
45
80
b is greater
than a
PROGRAM 13
AIM:
PROGRAM FOR SWITCH STATEMENT
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c,ch;
float d;
printf("choices
are\n");
printf("\n
1. ADD");
printf ("\n
2. SUB");
printf("\n
3. DIV");
printf("\n
4. MUL");
printf("\n
5. Mod");
printf("enter
the value of a and b");
scanf("%d%d",&a,&b);
printf("enter
the choice");
scanf("%d",&ch);
switch(ch)
{
case 1:
c=a+b;
printf("c=%d",c);
break;
case 2:
c=a-b;
printf("c=%d",c);
break;
case 3:
c=a/b;
printf("c=%d",c);
break;
case 4:
c=a*b;
printf("c=%d",c);
break;
case 5:
c=a%b;
printf("c=%d",c);
break;
default:
printf("wrong
choice entered\n");
}
getch();
}
Output choices are
1. ADD
2. SUB
3. DIV
4. MUL
5. mod enter the value of a and b 40
30
enter the
choice 4
c=1200
PROGRAM 14
AIM: WAP TO DISPLAY AVERAGE OF N
NUMBERSUSING ARRAY
#include<stdio.h>
#include<conio.h>
void main()
{
float data[5];
float total;
float average;
data[0]=34.0;
data[1]=27.0;
data[2]=45.0;
data[3]=82.0;
data[4]=22.0;
total=data[0]+data[1]+data[2]+data[3]+data[4];
average=total/5.0;
printf("%f%f\n",total,average);
getch();
}
OUTPUT
210.00000042.00000
PROGRAM 15
AIM: WAP
FOR CALL BY VALUE USING
FUNCTION
#include<stdio.h>
#include<conio.h>
int sum (int,int);
void main()
{
int a=10,b=20,c;
c=sum(a,b);
printf("c=%d",c);
getch();
}
int sum(int x,int y)
{
int z;
z=x+y;
//printf("z=%d",z);
return(z);
}
Output c=30
PROGRAM 16
AIM: WAP
FOR CALL BY REFERENCE USING
FUNCTION
#include<stdio.h>
#include<conio.h>
void sum (int *,int *);
void main()
{
int a=10,b=20;
sum(&a,&b);
getch();
}
void sum(int *x,int *y)
{
int z;
z=*x+*y;
printf("z=%d",z);
//return(Z);
}
Output z=30
PROGRAM 17
AIM: WAP
FOR STRING CONCATENATION
#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char a[20],b[10];
clrscr();
puts("enter
the first string");
gets(a);
puts("enter
the second string");
gets(b);
strcat(a,b);
puts("after
concatenation of string");
puts(a);
getch();
}
OUTPUT
enter the
first string
abc
enter the
second string
xyz
after
concatenation of string
abcxyz
PROGRAM 18
AIM: WAP
FOR COPY ONE STRING INTO ANOTHER
#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char a[10],b[10];
clrscr();
puts("enter
the string a");
gets(a);
strcpy(b,a);
puts("After
copying string b=");
puts(b);
getch();
}
OUTPUT
enter the
string a
abc
After
copying string b=
Abc
PROGRAM 19
AIM:
WAP FOR STRING COMPARISION
#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char a[10],b[10];
int i;
clrscr();
puts("enter
the string a");
gets(a);
puts("enter
the string b");
gets(b);
i=strcmp(a,b);
if(i==0)
puts("both
string are equal");
else if(i>0)
{
puts("string
a is greater than string b");
}
else if (i<0)
{
puts("string
b is greater than string a");
}
getch();
}
OUTPUT
enter
the string a
abc
enter
the string b
xyz
string b is
greater than string a
PROGRAM 20
AIM : WAP
TO CALCULATE LENGTH OF A STRING
#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char a[20];
int l;
clrscr();
puts("enter
any string:");
gets(a);
l=strlen(a);
printf("total
number of character=%d",l);
getch();
OUTPUT
enter any
string:
abcxyz
total number
of character=6
PROGRAM 21
AIM : WAP
TO PRINT FIRST 10 NATURAL NUMBERS USING 1D ARRAY
#include<stdio.h>
#include<conio.h>
void main()
{
int a[10];
int i;
clrscr();
printf("Enter
array elements\n");
for(i=0;i<9;i++)
{
scanf(“%d”,&a[i]);
}
printf("The
array elements are : \n");
for(i=0;i<9;i++)
{
printf(“%d ”,a[i]);
}
getch();
}
OUTPUT
The array elements are :
1 2 3 4 5 6 7
8 9 10
PROGRAM 22
AIM : WAP
TO PRINT ELEMENTS OF 2D ARRAY
#include<stdio.h>
#include<conio.h>
void main()
{
int a[2][2];
int i,j;
clrscr();
printf("Enter
the array elements \n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&a[i][j]);
}
printf("The
array elements are : \n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("%d
\t",a[i][j]);
}
printf("\n");
}
getch();
}
OUTPUT
Enter the array elements
1 2
3 4
The array elements are :
1 2
3 4
PROGRAM 23
AIM : WAP
TO IMPLEMENT STRUCTURE
#include<stdio.h>
#include<conio.h>
#include<string.h>
struct student
{
char name[20];
int age,rollno;
}s1;
void main()
{
clrscr();
strcpy(s1.name,"ram");
s1. age=18;
s1.rollno=281;
printf("details
of student s1:\n");
printf("student
name=%s\n age=%d\n rollno=%d\n",s1.name,s1.age,s1.rollno);
getch();
}
Output
details of
student s1:
student
name=ram
age=18
rollno=281
PROGRAM 24
AIM : WAP
TO IMPLEMENT STRUCTURE POINTER
#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
struct student
{
char name[20];
int age,rollno;
}s1;
clrscr();
strcpy(s1.name,"ram");
s1. age=18;
s1.rollno=281;
struct student *st;
st=&s1;
printf("details
of student s1:\n");
printf("student
name=%s\n age=%d\n rollno=%d\n",st->name,st->age,st->rollno);
getch();
}
Output
details of
student s1:
student
name=ram
age=18
rollno=281
PROGRAM 25
AIM: WAP TO IMPLEMENT UNION
IN C
#
include<stdio.h>
#
include<conio.h>
void main()
{
union
a
{
int I;
char
ch[2];
};
union
a key;
key.i=5;
printf(“key.i
= %d \n”, key.i);
printf(“key.ch[0]
= %d \n”, key.ch[0]);
printf(“key.i
= %d \n”, key.ch[1]);
getch();
}
OUTPUT
Key.i=5
Key.ch[0]=0
Key.ch[1]=2
PROGRAM 26
AIM: WAP TO COUNT CHARS, SPACES, TABS AND NEWLINES
IN A FILE
#include<stdio.h>
int
main()
{
FILE *fp;
char ch;
int nol=0, not=0, nob=0, noc=0;
fp=fopen("pr1.c","r");
while(1)
{
ch=fgetc(fp);
if(ch==EOF)
break;
noc++;
if(ch=='')
nob++;
if(ch=='\n')
nol++;
if(ch=='\t')
not++;
}
fclose(fp);
printf("number
of characters = %d\n", noc);
printf("number
of blanks = %d\n",nob);
printf("number
of tabs = %d\n",not);
printf("number
of lines = %d\n",nol);
}
OUTPUT
number
of characters = 15
number
of blanks = 5
number of
tabs = 2
number of
lines = 2
PROGRAM 27
AIM: WAP TO COPY ONE FILE INTO ANOTHER FILE
#include<stdio.h>
#include<stdlib.h>
int
main()
{
FILE *fs, *ft ;
Char ch;
fs=fopen
(“pr1.c”,”r”);
If
(fs==NULL)
{
puts
(“cannot open source file”);
exit(1);
}
ft=fopen
(“pr2.c”,”w”);
if(ft==NULL)
{
puts
(“cannot open target file”);
fclose(fs);
exit(2);
}
While(1)
{
Ch=fgetc(fs);
If(ch==EOF)
break;
else
fputc(ch,ft);
}
fclose(fs);
fclose(ft);
return
0;
}