Embedded Files
Simple programs asked in exams
1] Program to find sum of two numbers.
1] Program to find sum of two numbers.
#include<stdio.h>
#include<conio.h> void main()
{
int a,b,s;
clrscr();
printf(“Enter two no: ”); scanf(“%d%d",&a,&b); s=a+b; printf(“sum=%d”,s); getch();
}
Output:
Output:
Enter two no: 5 6
sum=11
2] Program to find area and circumference of circle.
2] Program to find area and circumference of circle.
#include<stdio.h>
#include<conio.h> void main()
{
int r;
float pi=3.14,area,ci; clrscr();
printf(“enter radius of circle: ”);
12
scanf(“%d”,&r); area=pi*r*r;
printf(“area of circle=%f ”,area); ci=2*pi*r; printf(“circumference=%f ”,ci); getch();
}
Output:
Output:
enter radius of a circle: 5 area of circle=78.000 circumference=31.4
3] Program to find the simple interest.
3] Program to find the simple interest.
#include<stdio.h>
#include<conio.h> void main()
{
int p,r,t,si;
clrscr();
printf(“enter principle, Rate of interest & time to find simple interest: ”); scanf(“%d%d%d”,&p,&r,&t);
si=(p*r*t)/100;
printf(“simple intrest= %d”,si); getch();
}
Output:
Output:
enter principle, rate of interest & time to find simple interest: 500 5
2
simple interest=50
4] Program to convert temperature from degree centigrade to Fahrenheit.
4] Program to convert temperature from degree centigrade to Fahrenheit.
#include<stdio.h>
#include<conio.h> void main()
{
float c,f; clrscr();
printf(“enter temp in centigrade: ”); scanf(“%f”,&c);
f=(1.8*c)+32;
printf(“temp in Fahrenheit=%f ”,f); getch();
}
Output:
Output:
enter temp in centigrade: 32 temp in Fahrenheit=89.59998
5] Program to calculate sum of 5 subjects and find percentage.
5] Program to calculate sum of 5 subjects and find percentage.
#include<stdio.h>
#include<conio.h> void main()
{
int s1,s2,s3,s4,s5,sum,total=500; float per;
clrscr();
printf(“enter marks of 5 subjects: ”); scanf(“%d%d%d%d%d”,&s1,&s2,&s3,&s4,&s5); sum=s1+s2+s3+s4+s5;
printf(“sum=%d”,sum); per=(sum*100)/total; printf(“percentage=%f”,per); getch();
}
Output:
Output:
enter marks of 5 subjects: 60
65
50
60
60
sum=300 percentage=60.000
6] Program to show swap of two no’s without using third variable.
6] Program to show swap of two no’s without using third variable.
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b; clrscr();
printf(“enter value for a & b: ”); scanf(“%d%d”,&a,&b);
a=a+b; b=a-b;
a=a-b;
printf(“after swapping the value of a & b: %d %d”,a,b); getch();
}
Output:
Output:
enter value for a & b: 4 5
after swapping the value of a & b: 5 4
7] Program to reverse a given number.
7] Program to reverse a given number.
#include<stdio.h>
#include<conio.h> void main()
{
int n,a,r=0; clrscr();
printf(“enter any no to get its reverse: ”); scanf(“%d”,&n);
while(n>=1)
{ a=n%10;
r=r*10+a; n=n/10;
}
printf(“reverse=%d”,r); getch();
}
Output:
Output:
enter any no to get its reverse: 456 reverse=654
8] Program to find gross salary.
8] Program to find gross salary.
#include<stdio.h>
#include<conio.h> void main()
{
int gs,bs,da,ta; clrscr();
printf(“enter basic salary: ”); scanf(“%d”,&bs); da=(10*bs)/100; ta=(12*bs)/100; gs=bs+da+ta;
printf(“gross salary=%d”,gs); getch();
}
Output:
Output:
enter basic salary: 100 gross salary=122
9] Program to print a table of any number.
9] Program to print a table of any number.
#include<stdio.h>
#include<conio.h> void main()
{
int gs,bs,da,ta; clrscr();
printf(“enter basic salary: ”); scanf(“%d”,&bs); da=(10*bs)/100; ta=(12*bs)/100; gs=bs+da+ta;
printf(“gross salary=%d”,gs); getch();
}
Output:
Output:
enter a no to know table: 2 2*1=2
2*2=4
2*3=6
2*4=8
2*5=10
2*6=12
2*7=14
2*8=16
2*9=18
2*10=20
10] Program to find greatest in 3 numbers.
10] Program to find greatest in 3 numbers.
#include<stdio.h>
#include<conio.h> void main()
{
int a,b,c;
clrscr();
printf(“enter value of a, b & c: ”); scanf(“%d%d%d”,&a,&b,&c);
if((a>b)&&(a>c)) printf(“a is greatest”); if((b>c)&&(b>a)) printf(“b is greatest”); if((c>a)&&(c>b)) printf(“c is greatest”); getch();
}
Output:
Output:
enter value for a, b& c: 5 7
4
b is greatest
11] Program to show the use of conditional operator.
11] Program to show the use of conditional operator.
#include<stdio.h>
#include<conio.h> void main()
{
clrscr();
printf(“enter value for a & b: ”);
scanf(“%d%d”,&a,&b);
(a>b)?printf(“a is greater”):printf(“b is greater”); getch();
}
Output:
Output:
enter value for a & b: 5 7
b is greater
12] Program to find that entered year is leap year or not.
12] Program to find that entered year is leap year or not.
#include<stdio.h>
#include<conio.h> void main()
{
int n; clrscr();
printf(“enter any year: ”); scanf(“%d”,&n); if(n%4==0)
printf(“year is a leap year”); else
printf(“year is not a leap year”); getch();
}
Output:
Output:
enter any year: 1947 year is not a leap year
13] Program to find whether given no. is even or odd.
13] Program to find whether given no. is even or odd.
#include<stdio.h>
#include<conio.h> void main()
{
int n; clrscr();
printf(“enter any no: ”); scanf(“%d”,&n); if(n%2==0)
printf(“no is even”); else
printf(“no is odd”); getch();
}
Output:
Output:
enter any no: 5 no is odd
14] Program to shift inputed data by two bits to the left.
14] Program to shift inputed data by two bits to the left.
#include<stdio.h>
#include<conio.h> void main()
{
int x,y; clrscr();
printf(“Read the integer from keyboard :- ”); scanf(“%d”,&x);
x<<=3;
y=x;
printf(“\nThe left shifted data is = %d ”,y); getch();
}
Output:
Output:
Read the integer from keyboard :- 2 The left shifted data is = 16
15] Program to use switch statement. Display Monday to Sunday.
15] Program to use switch statement. Display Monday to Sunday.
#include<stdio.h>
#include<conio.h> void main()
{
char ch; clrscr();
printf(“enter m for Monday\nt for Tuesday\nw for Wednesday\nh for Thursday\nf for Friday\ns for Saturday\nu for Sunday);
scanf(“%c”,&ch); switch(ch)
{
case ‘m’:
case ‘M’: printf(“monday”); break;
case ‘t’:
case ‘T’: printf(“tuesday”); break;
case ‘w’:
case ‘W’: printf(“wednesday”); break;
case ‘h’:
case ‘H’: printf(“thursday”); break;
case ‘f ’:
case ‘F’: printf(“friday”); break;
case ‘s’:
case ‘S’: printf(“saturday”); break;
case ‘u’:
case ‘U’: printf(“sunday”); break;
default : printf(“wrong input”); break;
}
getch();
}
Output:
Output:
enter m for Monday t for Tuesday
w for Wednesday h for Thursday
f for Friday
s for Saturday u for Sunday: f friday
16] Program to display arithmetic operator using switch case.
16] Program to display arithmetic operator using switch case.
#include<stdio.h>
#include<conio.h> void main()
{
int a,b,n,s,m,su,d; clrscr();
printf(“enter two no’s : ”); scanf(“%d%d”,&a,&b);
printf(“enter 1 for sum\n2 for multiply\n3for subtraction\n4 for division: ”); scanf(“%d”,&n);
switch(n)
{
case 1: s=a+b;
printf(“sum=%d”,s); break;
case 2: m=a*b;
printf(“multiply=%d”,m); break;
case 3: su=a-b;
printf(“subtraction=%d”,su); break;
case 4: d=a/b;
printf(“divission=%d”,d); break;
default: printf(“wrong input”); break;
}
getch();
}
Output:
Output:
enter two no’s: 8 4
enter 1 for sum 2 for multiply
3 for subtraction
4 for division: 1 sum=12
17] Program to display first 10 natural no. & their sum.
17] Program to display first 10 natural no. & their sum.
#include<stdio.h>
#include<conio.h> void main()
{
int i,sum=0; clrscr(); for(i=1;i<=10;i++)
{
printf(“%d no is= %d\n”,i,I); sum=sum+i;
}
printf(“sum =%d”,sum); getch();
}
Output:
Output:
1 no is=1
2 no is=2
3 no is=3
4 no is=4
5 no is=5
6 no is=6
7 no is=7
8 no is=8
9 no is=9
10 no is=10 sum=55
18] Program to print stars Sequence1:
18] Program to print stars Sequence1:
#include<stdio.h>
#include<conio.h> void main()
{
int i,j; clrscr();
for(i=1;i<=5;i++)
{
for(j=1;j<=i;j++) printf(“*”);
printf(“\n”);
}
getch();
}
Output:
Output:
*
**
***
****
*****
19] Program to print stars Sequence2.
19] Program to print stars Sequence2.
#include<stdio.h>
#include<conio.h> void main()
{
int i,j,k;
clrscr(); for(i=1;i<=5;i++)
{
for(j=5;j>=i;j--)
printf(“ ”); for(k=1;k<=i;k++) printf(“*”);
printf(“\n”);
}
getch();
}
Output:
Output:
*
**
***
****
*****
20] Program to print stars Sequence3.
20] Program to print stars Sequence3.
#include<stdio.h>
#include<conio.h> void main()
{
int i,j,k;
clrscr(); for(i=1;i<=3;i++)
{
for(j=3;j>=i;j--)
printf(“ ”);
{
for(k=1;k<=i*2-1;k++) printf(“*”);
}
printf(“\n”);
}
getch();
}
Output:
Output:
*
***
*****
21] Program to print Fibonacci series up to 100.
21] Program to print Fibonacci series up to 100.
#include<stdio.h>
#include<conio.h> void main()
{
int a=1,b=1,c=0,i; clrscr(); printf("%d\t%d\t",a,b); for(i=0;i<=10;i++)
{
c=a+b; if(c<100)
{
printf("%d\t",c);
}
a=b; b=c;
}
getch();
}
Output:
Output:
1 1 2 3 5 8 13 21 34 55 89
22] Program to find factorial of a number.
22] Program to find factorial of a number.
#include<stdio.h>
#include<conio.h> void main()
{
int n,i,fact=1; clrscr();
printf(“Enter any no: ”); scanf(“%d”,&n);
for(i=n;i>=1;i--)
{
fact=fact*i;
}
printf(“Factorial=%d”,fact); getch();
}
Output:
Output:
Enter a no: 5 Factorial=120
23] Program to find whether given no. is a prime no. or not.
23] Program to find whether given no. is a prime no. or not.
#include<stdio.h>
#include<conio.h> void main()
{
int i,n,r=0; clrscr();
printf(“Enter any no: ”); scanf(“%d”,&n); for(i=2;i<=n-1;i++)
{
if(n%i==0) r=1;
break;
}
if(r==0) printf(“prime no”); else
printf(“Not prime”); getch();
}
Output:
Output:
Enter any no: 16 Not prime
24] Program to display sum of series 1+1/2+1/3+……….+1/n.
24] Program to display sum of series 1+1/2+1/3+……….+1/n.
#include<stdio.h>
#include<conio.h> void main()
{
int n,i,sum=0; clrscr();
printf(“Enter any no: ”); scanf(“%d”,&n);
printf(“1”); for(i=2;i<=n-1;i++) printf(“ 1/%d +”,i); for(i=1;i<=n;i++) sum=sum+i; printf(“ 1/%d”,n);
printf(“\nSum=1/%d”,sum+1/n); getch();
}
Output:
Output:
Enter any no: 7
1 + 1/2 + 1/3 + 1/4 + 1/5 + 1/6 + 1/7
Sum=1/28
25] Program to display series and find sum of 1+3+5+……..+n.
25] Program to display series and find sum of 1+3+5+……..+n.
#include<stdio.h>
#include<conio.h> void main()
{
int n,i,sum=0; clrscr();
printf(“Enter any no: ”); scanf(“%d”,&n); for(i=1;i<n;i=i+2)
{
printf(“%d+”,i); sum=sum+i;
}
printf("%d",n); printf("\nsum=%d",sum+n); getch();
}
Output:
Output:
Enter any no: 7 1+3+5+7
Sum=16
26] Program to use bitwise AND operator between the two integers.
26] Program to use bitwise AND operator between the two integers.
#include<stdio.h>
#include<conio.h> void main()
{
int a,b,c;
clrscr();
printf(“Read the integers from keyboard:- ”); scanf(“%d %d”,&a,&b);
c=a&b;
printf(“\nThe Answer after ANDing is: %d ”,c); getch();
}
Output:
Output:
Read the integers from keyboard:- 8 4 The Answer after ANDing is: 0
27] Program to add two number using pointers.
27] Program to add two number using pointers.
#include<stdio.h>
#include<conio.h> void main()
{
int *p1,*p2,sum; clrscr();
printf(“enter two no’s: ”); scanf(“%d%d”,&*p1,&*p2); sum=*p1+*p2;
printf(“sum=%d”,sum); getch();
}
Output:
Output:
enter two no’s: 10 20
sum=30
28] Program to add two number using pointers.
28] Program to add two number using pointers.
#include<stdio.h>
#include<conio.h> void main()
{
int *p1,*p2,sum; clrscr();
printf(“enter two no’s: ”); scanf(“%d%d”,&*p1,&*p2); sum=*p1+*p2; printf(“sum=%d”,sum); getch();
}
Output:
Output:
enter two no’s: 10 20
sum=30
29] Program to show sum of 10 elements of array & show the average.
29] Program to show sum of 10 elements of array & show the average.
#include<stdio.h>
#include<conio.h> void main()
{
int a[10],i,sum=0; float av;
clrscr();
printf(“enter elements of an aaray: ”); for(i=0;i<10;i++)
scanf(“%d”,&a[i]);
for(i=0;i<10;i++) sum=sum+a[i]; printf(“sum=%d”,sum); av=sum/10; printf(“average=%.2f”,av); getch();
}
Output:
Output:
enter elements of an array: 4 5
6
1
2
3
5
5
4
7
sum=42 average=4.22
30] Program to find the maximum no. in an array.
30] Program to find the maximum no. in an array.
#include<stdio.h>
#include<conio.h> void main()
{
int a[5],max,i; clrscr();
printf(“enter element for the array: ”); for(i=0;i<5;i++)
scanf(“%d”,&a[i]); max=a[0]; for(i=1;i<5;i++)
{
if(max<a[i])
max=a[i];
}
printf(“maximum no= %d”,max); getch();
}
Output:
Output:
enter elements for array: 5 4
7
1
2
maximum no= 7
31] Program to display a matrix.
31] Program to display a matrix.
#include<stdio.h>
#include<conio.h> void main()
{
int a[3][2],b[3][2],i,j; clrscr();
printf(“enter value for a matrix: ”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++) scanf(“%d”,&a[i][j]);
}
printf(“enter value for b matrix: ”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++) scanf(“%d”,&b[i][j]);
}
printf(“\na matrix is\n\n”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++)
{
printf(“ %d ”,a[i][j]);
}
printf(“\n”);
}
printf(“\nb matrix is\n\n”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++)
{
printf(“ %d ”,b[i][j]);
}
printf(“\n”);
}
getch();
}
Output:
Output:
enter value for a matrix: 7 8
9
4
5
6
enter value for b matrix: 3 2
1
4
5
6
a matrix is
7
8
9
4
5
6
b matrix is
3
2
1
4
5
6
32] Program to find sum of two matrices.
32] Program to find sum of two matrices.
#include<stdio.h>
#include<conio.h> void main()
{
int a[3][2],b[3][2],c[3][2],i,j;
clrscr();
printf(“Enter value for 1 matrix: ”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++) scanf(“%d”,&a[i][j]);
}
printf(“Enter value for 2 matrix: ”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++) scanf(“%d”,&b[i][j]);
}
for(i=0;i<3;i++)
{
for(j=0;j<2;j++) c[i][j]=a[i][j]+b[i][j];
}
printf(“Sum of matrix is\n”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++)
{
printf(“%d\t”,c[i][j]);
}
printf(“\n”);
}
getch();
}
Output:
Output:
Enter value for 1 matrix: 1
2
3
4
5
6
Enter value for 2 matrix: 4
5
6
1
3
2
Sum of matrix is 5 7
9 5
8 8
33] Program to find subtraction of two matrices.
33] Program to find subtraction of two matrices.
#include<stdio.h>
#include<conio.h> void main()
{
int a[5],b[5],c[5],i; clrscr();
printf(“enter value for array a ”); for(i=0;i<5;i++) scanf(“%d”,&a[i]);
printf(“enter value for array b ”); for(i=0;i<5;i++) scanf(“%d”,&b[i]); for(i=0;i<5;i++)
c[i]=a[i]-b[i]; printf(“subtraction”); for(i=0;i<5;i++) printf(“ %d ”,c[i]); getch();
}
Output:
Output:
enter value for array a: 7 8
9
4
5
enter value for array b: 4 5
6
1
2
subtraction 3 3 3 3 3
34] Program to find multiplication of two matrices.
34] Program to find multiplication of two matrices.
#include<stdio.h>
#include<conio.h> void main()
{
int a[3][2],b[3][2],c[3][2],i,j;
clrscr();
printf(“enter value for 1 matrix: ”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++) scanf(“%d”,&a[i][j]);
}
printf(“enter value for 2 matrix: ”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++)
scanf(“%d”,&b[i][j]);
}
for(i=0;i<3;i++)
{
for(j=0;j<2;j++) c[i][j]=a[i][j]*b[i][j];
}
printf(“matrix is\n”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++)
{
printf(“ %d ”,c[i][j]);
}
printf(“\n”);
}
getch();
}
Output:
Output:
enter value for 1 matrix: 7
8
9
4
5
6
enter value for 2 matrix: 3
2
1
2
5
6
matrix is 21 16
9 8
25 36
35] Program to find transpose of a matrix.
35] Program to find transpose of a matrix.
#include<stdio.h>
#include<conio.h> void main()
{
int a[3][2],b[2][3],i,j; clrscr();
printf(“Enter value for matrix: ”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++) scanf(‘%d”,&a[i][j]);
}
printf(“Matrix:\n”); for(i=0;i<3;i++)
{
for(j=0;j<2;j++) printf(“ %d ”,a[i][j]); printf(“\n”);
}
for(i=0;i<3;i++)
{
for(j=0;j<2;j++) b[j][i]=a[i][j];
}
printf(“Transpose matrix:\n”); for(i=0;i<2;i++)
{
for(j=0;j<3;j++) printf(“ %d ”,b[i][j]); printf(“\n”);
}
getch();
}
Output:
Output:
Enter value for matrix: 4 5
6
1
2
3
Matrix: 4 5
6 1
2 3
Transpose matrix: 4 6 2
5 1 3
36] Program to find the maximum number in array using pointer.
36] Program to find the maximum number in array using pointer.
#include<stdio.h>
#include<conio.h> void main()
{
int max,i,*a[5]; clrscr();
printf(“enter element for the array: ”); for(i=0;i<5;i++)
scanf(“%d”,&*a[i]); max=*a[0]; for(i=1;i<5;i++)
{
if(max<*a[i]) max=*a[i];
}
printf(“maximum no= %d”,max); getch();
}
Output:
Output:
enter elements for array: 5 4
7
1
2
maximum no= 7
37] Program to show input and output of a string.
37] Program to show input and output of a string.
#include<stdio.h>
#include<conio.h> void main()
{
char a[50]; clrscr();
printf(“enter any string: ”); gets(a);
puts(a);
getch();
}
Output:
Output:
enter any string: hi everyone hi everyone
38] Program to find square of a number using functions.
38] Program to find square of a number using functions.
#include<stdio.h>
#include<conio.h> void main()
{
int rev(int); int r,a; clrscr();
printf(“enter any no: ”); scanf(“%d”,&a); r=rev(a);
printf(“square is : %d”,r);
getch();
}
int rev(int x)
{
return(x*x);
}
Output:
Output:
enter any no: 5 square is : 25
39] Program to swap two numbers using functions.
39] Program to swap two numbers using functions.
#include<stdio.h>
#include<conio.h> void main()
{
void swap(int,int); int a,b,r;
clrscr();
printf(“enter value for a&b: ”); scanf(“%d%d”,&a,&b); swap(a,b);
getch();
}
void swap(int a,int b)
{
int temp; temp=a; a=b; b=temp;
printf(“after swapping the value for a & b is : %d %d”,a,b);
}
Output:
Output:
enter value for a&b: 4 5
after swapping the value for a & b : 5 4
40] Program to find factorial of a number using functions.
40] Program to find factorial of a number using functions.
#include<stdio.h>
#include<conio.h> void main()
{
int a,f;
int fact(int); clrscr();
printf(“enter a no: ”); scanf(“%d”,&a); f=fact(a); printf(“factorial= %d”,f); getch();
}
int fact(int x)
{
int fac=1,i; for(i=x;i>=1;i--) fac=fac*i; return(fac);
}
Output:
Output:
enter a no: 5 factorial=120
41] Program to show table of a number using functions.
41] Program to show table of a number using functions.
#include<stdio.h>
#include<conio.h> void main()
{
void table(); clrscr();
table();
getch();
}
void table()
{
int n,i,r;
printf(“enter a no to know table: ”); scanf(“%d”,&n); for(i=1;i<=10;i++)
{
r=n*i; printf(“%d*%d=%d\n”,n,i,r);
}
}
Output:
Output:
enter a no to know table: 2 2*1=2
2*2=4
2*3=6
2*4=8
2*5=10
2*6=12
2*7=14
2*8=16
2*9=18
2*10=20
42] Program to show call by value.
42] Program to show call by value.
#include<stdio.h>
#include<conio.h> void main()
{
int a,b,swap(); clrscr();
a=5; b=10;
printf(”value of a=%d & value of b=%d before swap ”,a,b); swap(a,b);
printf(“\nvalue of a =%d & b=%d after swap”,a,b); getch();
}
int swap(int x,int y)
{
int temp; temp=x; x=y; y=temp;
}
Output:
Output:
value of a=5 & value of b=10 before swap value of a=5 & b=10 after swap
43] Program to show call by reference.
43] Program to show call by reference.
#include<stdio.h>
#include<conio.h> void main()
{
int a,b,*aa,*bb,swap(); clrscr();
a=5; b=10;
aa=&a; bb=&b;
printf(“value of a= %d & value of b=%d before swap”,a,b); swap(aa,bb);
printf(“\nvalue of a=%d & b=%d after swap”,a,b); getch();
}
int swap(int *x,int *y)
{
int temp; temp=*x;
*x=*y;
*y=temp;
}
Output:
Output:
value of a= 5 & value of b=10 before swap value of a=10 & b=5 after swap
44] Program to find largest of two numbers using functions.
44] Program to find largest of two numbers using functions.
#include<stdio.h>
#include<conio.h> void main()
{
void max(); clrscr();
max();
getch();
}
void max()
{
int a[5],max,n,i;
printf(“How many no’s you want to enter: ”); scanf(“%d”,&n);
printf(“Enter element for the array: ”); for(i=0;i<n;i++)
scanf(“%d”,&a[i]); max=a[0]; for(i=1;i<5;i++)
{
if(max<a[i])
max=a[i];
}
printf(“maximum no= %d”,max);
}
Output:
Output:
How many no’s you want to enter: 4 Enter element for array: 4
5
6
1
maximum no: 6
45] Program to find factorial of a number using recursion.
45] Program to find factorial of a number using recursion.
#include<stdio.h>
#include<conio.h> void main()
{
int n; clrscr();
printf(“enter number: ”); scanf(“%d”,&n); if(n<0)
printf(“invalid number”); else printf(“%d!=%d”,n,fact(n)); getch();
}
int fact(int x)
{
if(x==0) return 1; else
return(x*fact(x-1));
}
Output:
Output:
enter number: 5
5!=120
46] Program to find whether a string is palindrome or not.
46] Program to find whether a string is palindrome or not.
#include<stdio.h>
#include<conio.h>
void main()
{
char s1[20],s2[20]; clrscr();
printf(“enter a string: ”); scanf(“%s”,s1); strcpy(s2,s1); strrev(s2); if(strcmp(s1,s2)==0)
printf(“string is a palindrome”); else
printf(“not a palindrome string”); getch();
}
Output:
Output:
enter a string: abc
not a palindrome string
47. File Operations:
47. File Operations:
#include<stdio.h>
#include<conio.h> void main()
{
file *fp,*fp1; char c; clrscr();
fp=fopen(“test.c”,”w”);
printf(“\nenter the contents for file1(#.end)\n”); c=getchar();
while(c!=’#’)
{
fputc(c,fp); c=getchar();
}
rewind(fp); fp=fopen(“test.c”,”r”);
fp1=fopen(“tes.c”,”w”); c=fgetc(fp); while(c!=eof)
{
fputc(c,fp); c=fgetc(fp);
}
fclose(fp); fclose(fp1);
fp1=fopen(“tes.c”,”r”); c=fgetc(fp1);
printf(“\nthe contents in file 2\n”); while(c!=eof)
{
putchar(c); c=fgetc(fp1);
}
fclose(fp1); getch();
}
Output:
Output:
enter the contents of file1(#-end) good morning#
the contents of file2 good morning
48. Merging One Dimensional Array – Excluding The Repeating Element
48. Merging One Dimensional Array – Excluding The Repeating Element
#include<stdio.h>
#include<conio.h> void main()
{
int a[50],b[50],n1,n2,i,x; clrscr();
printf(“enter the number of elements in the first array”); scanf(“%d”,&n1);
printf(“enter the elements\n”);
for(i=0;i<n1;i++)
{
printf(“enter a[%d]”,i+1);
scanf(“%d”,&a[i]);
}
printf(“enter the number of elements in the second array”); scanf(“%d”,&n2);
printf(“enter the elements\n”); for(i=0;i<n2;i++)
{
printf(“enter b[%d]”,i+1);
scanf(“%d”,&b[i]);
}
for(x=0;x<n1;x++)
{
for(i=0;i<n2;i++)
{
if(b[i]==a[x])
{
b[i]=’ ‘;
}
}
}
for(i=o;i<n1;i++)
{
printf(“%d”,a[i]);
}
for(i=0;i<n2;i++)
{
if(b[i]==’ ‘;) continue; else
printf(“%d”,b[i]);
}
getch();
}
Output:
Output:
Enter the number of elements in the first array 3
Enter the elements 3
5
7
Enter the number of elements in the first array 3
Enter the elements 2
5
9
3 5 7 2 9
49. Number Of Occurrences Of Vowels, Consonants, Words, Spaces And Special Characters In The Given Statement.
49. Number Of Occurrences Of Vowels, Consonants, Words, Spaces And Special Characters In The Given Statement.
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<string.h>
#include<ctype.h> void main()
{
char s[100];
int vow=0,cons=0,spc=0,punc=0,l,i; clrscr();
printf(“enter the statement\n”); gets(s);
l=strlen(s); for(i=0;i<l;i++)
{
if(isalpha(s[i]))
{
if(s[i]==’a’||s[i]==’e’||s[i]==’i’||s[i]==’o’||s[i]==’u’)
{
vow++;
}
else
{
cons++;
}
}
if(isspace(s[i])
{
spc++;
}
if(ispunct(s[i]))
{
punc++;
}
}
printf(“\nno.of words=%d”,spc+1); printf(“\nno.of vowels=%d”,vow); printf(“\nno.of consonants=%d”,cons); printf(“\nno.of space=%d”,spc); printf(“\nno.on special characters=%d”,punc); getch();
}
Output:
Output:
Enter the statement
*Nothing is impossible in the world. No.of words=6
No.of vowels=10 No.of consonants=19 No.of space=5
No.of special characters=1
50. Write a program to create enumerated data type for 12 months. Display their values in integer constants.
50. Write a program to create enumerated data type for 12 months. Display their values in integer constants.
#include<stdio.h>
#include<conio.h> void main()
{
Enum month(Jan, Feb, Mar, Apr, May, June, July, Aug,Sep, Oct, Nov, Dec) clrscr();
printf(“Jan=%d”, Jan); printf(“Feb=%d”, Feb); printf(“June=%d”, June); printf(“Dec=%d”, Dec);
}
Output:
Output:
Jan =0 Feb=1 June=5 Dec=11
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