PROGRAMMING IN C
1.
Write
a C program to find the average of any two numbers given by the user.
#include<stdio.h>
#include<conio.h>
int main()
{
int a,b;
float c;
printf("Enter first number: ");
scanf("%d", &a);
printf("Enter second number: ");
scanf("%d", &b);
c=(a+b)/2;
printf("Average of two numbers= %.2f",c);
return 0;
}
2.
Write
a C program to calculate the average of three numbers.
#include<stdio.h>
#include<conio.h>
int main()
{
int a,b,c;
float d;
printf("Enter first number: ");
scanf("%d", &a);
printf("Enter second number: ");
scanf("%d", &b);
printf("Enter second number: ");
scanf("%d", &c);
d=(a+b+c)/3;
printf("Average of two numbers= %.2f",d);
return 0;
}
3.
Write
a C program to calculate the volume of a cylinder.
#include<stdio.h>
#include<conio.h>
int main()
{
float r, h, v;
printf("Enter
radius and height: \n");
scanf("%f
%f", &r, &h);
v=(22/7)*r*r*h;
printf("Volume
of cylinder= %.2f",v);
return 0;
}
4.
Write
a C program to calculate distance travelled by a body.
#include<stdio.h>
#include<conio.h>
int main()
{
float u, a, s;
int t;
printf("Enter
initial velocity: ");
scanf("%f",
&u);
printf("Enter
acceleration: ");
scanf("%f",
&a);
printf("Enter
time: ");
scanf("%d",
&t);
s=(u*t)+(a*t*t)/2;
printf("Distance
travelled by body= %.2f", s);
return 0;
}
5.
Write
a C program using to get radius of circle and then print its area.
#include<stdio.h>
#include<conio.h>
int main()
{
float r, a;
printf("Enter
radius: ");
scanf("%f",
&r);
a=(22/7)*r*r;
printf("Area
of circle= %.2f", a);
return 0;
}
6.
Write
a C program to calculate and print the volume of a box.
#include<stdio.h>
#include<conio.h>
int main()
{
int l,b,h,v;
printf("Enter length: ");
scanf("%d", &l);
printf("Enter breadth: ");
scanf("%d", &b);
printf("Enter height: ");
scanf("%d", &h);
v=l*b*h;
printf("Volume of box= %d",
v);
return 0;
}
7.
Write
a C program to get radius of a circle and then print its circumference.
#include<stdio.h>
#include<conio.h>
int main()
{
float r, c;
printf("Enter radius: ");
scanf("%f", &r);
c=2*(22/7)*r;
printf("Circumference of
circle= %.2f", c);
return 0;
}
8.
Write
a C program to calculate the area of four walls.
#include<stdio.h>
#include<conio.h>
int main()
{
int l,b,h,a;
printf("Enter
length: ");
scanf("%d",
&l);
printf("Enter
breadth: ");
scanf("%d",
&b);
printf("Enter
height: ");
scanf("%d",
&h);
a=2*h*(l+b);
printf("Area
of four walls= %d", a);
return 0;
}
9.
Write a C program in QBASIC to find the total surface area of
a box.
#include<stdio.h>
#include<conio.h>
int main()
{
int l,b,h,a;
printf("Enter
length: ");
scanf("%d",
&l);
printf("Enter
breadth: ");
scanf("%d",
&b);
printf("Enter
height: ");
scanf("%d",
&h);
a=2*((l*b)+(b*h)+(h*l));
printf("Total
surface area of box= %d", a);
return 0;
}
10.
Write a C program to calculate and print the simple interest.
#include<stdio.h>
#include<conio.h>
int main()
{
float p, t, r,
i;
printf("Enter
principal: ");
scanf("%f",
&p);
printf("Enter
time: ");
scanf("%f",
&t);
printf("Enter
rate: ");
scanf("%f",
&r);
i = (p*t*r)/100;
printf("Simple
Interest = %.2f", i);
return 0;
}
11.
Write a C program to get temperature in celsius from the user
and then print the temperature in fahrenheit.
#include<stdio.h>
#include<conio.h>
int main()
{
float c, f;
printf("Enter temperature in Celsius:
");
scanf("%f", &c);
f = ((c * 9)/5) + 32;
printf("%.2f Celsius = %.2f
Fahrenheit", c, f);
return 0;
}
12.
Write a C program to find the area of triangle.
#include<stdio.h>
#include<conio.h>
int main()
{
int b,h;
float a;
printf("Enter
base: ");
scanf("%d",
&b);
printf("Enter
height: ");
scanf("%d",
&h);
a=(b*h)/2;
printf("Area
of triangle= %.2f", a);
return 0;
}
13.
Write a C program to get temperature in fahrenheit from the
user and then print the temperature in celcius.
#include
<stdio.h>
#include<conio.h>
int main()
{
float c, f;
printf("Enter temperature in
Fahrenheit: ");
scanf("%f", &f);
c = (f - 32) * 5 / 9;
printf("%.2f Fahrenheit = %.2f
Celsius", f, c);
return 0;
}
14. Write a C program to convert USD(dollar) into NC (NEPALI
currency) using DECLARE FUNCTION.
#include<stdio.h>
#include<conio.h>
int
main()
{
int d,
n;
printf("Enter
currency in dollar: ");
scanf("%d",
&d);
n=d*100;
printf("$
%d = Rs. %d ", d, n);
return
0;
}
15. Write a C program to convert NC (NEPALI currency) into IC
(Indian Currency) using DECLARE SUB.
#include<stdio.h>
#include<conio.h>
int
main()
{
float
i, n;
printf("Enter
currency in Nepali Rupees: ");
scanf("%f",
&n);
i=n/1.6;
printf("Nrs.
Rs %.2f = IC Rs. %.2f ", n, i);
return
0;
}
16.
WRITE
A C PROGRAM to display whether the given
number is positive, negative or zero.
#include<stdio.h>
#include<conio.h>
int main()
{
int n;
printf("Enter
any number: ");
scanf("%d",
&n);
if(n>0)
printf("%d
is positive number",n);
else if(n<0)
printf("%d
is negative number",n);
else
printf("%d
is zero number",n);
return 0;
}
17.
Write
a C program to test whether the given number is completely divisible by 13 or
not.
#include<stdio.h>
#include<conio.h>
int main()
{
int n;
printf("Enter
any number: ");
scanf("%d",
&n);
if(n%2==0)
printf("%d
is divisible by 13",n);
else
printf("%d
is not divisible by 13",n);
return 0;
}
18.
WRITE
A C PROGRAM to check whether the given
number is divisible by 3 and 5 or not.
#include<stdio.h>
#include<conio.h>
int main()
{
int n;
printf("Enter
any number: ");
scanf("%d",
&n);
if(n%3==0
&& n%5==0)
printf("%d
is divisible by 3 and 5",n);
else
printf("%d
is not divisible by 3 and 5",n);
return 0;
}
19.
WRITE
A C PROGRAM to enter age and display
whether a person can vote or not.
#include<stdio.h>
#include<conio.h>
int main()
{
int a;
printf("Enter
your age: ");
scanf("%d",
&a);
if(a>=18)
printf("You
can vote");
else
printf("You
cannot vote");
return 0;
}
20.
Write
a C program to display the smaller among two numbers.
#include<stdio.h>
#include<conio.h>
int main()
{
int a,b;
printf("Enter
any two numbers:\n ");
scanf("%d
%d", &a, &b);
if(a<b)
printf("The
smaller number is %d", a);
else
printf("The
smaller number is %d", b);
return 0;
}
21.
Write a C program to input three different and find the
greatest number.
#include<stdio.h>
#include<conio.h>
int main()
{
int a,b,c;
printf("Enter
any three numbers:\n ");
scanf("%d
%d %d" , &a, &b, &c);
if(a>b
&& a>c)
printf("The
greatest number is %d", a);
else if(b>a
&& b>c)
printf("The
greatest number is %d", b);
else
printf("The
greatest number is %d", c);
return 0;
}
22.
WRITE
A C PROGRAM to display middle number
among three different numbers.
#include<stdio.h>
#include<conio.h>
int main()
{
int a,b,c;
printf("Enter
any three numbers:\n ");
scanf("%d
%d %d" , &a, &b, &c);
if((a>b
&& a<c) || (a<b && a>c))
printf("The
middle number is %d", a);
else if((b>a
&& b<c) || (b<a && b>c))
printf("The
middle number is %d", b);
else
printf("The
middle number is %d", c);
return 0;
}
23.
Write
a C program to check whether the given number is odd or even.
#include<stdio.h>
#include<conio.h>
int main()
{
int n;
printf("Enter
any number: ");
scanf("%d",
&n);
if(n%2==0)
printf("%d
is even number", n);
else
printf("%d
is odd number", n);
return 0;
}
24.
WRITE
A C PROGRAM to check whether the given
year is leap year or not.
#include<stdio.h>
#include<conio.h>
int main()
{
int y;
printf("Enter
the year: ");
scanf("%d",
&y);
if((y%2==0)
&& (y%100 !=0) || (y%400==0))
printf("%d
is leap year", y);
else
printf("%d
is not leap year", y);
return 0;
}
25.
WRITE
A C PROGRAM to check whether the given
number is perfect square or not.
#include<stdio.h>
#include<conio.h>
int main()
{
int n, b;
float a;
printf("Enter any number: ");
scanf("%d", &n);
a=sqrt(n);
b=a;
if(a==b)
printf("%d is a perfect square
number", n);
else
printf("%d is not a perfect square
number", n);
return 0;
}
26.
Write
a C program to print the following series 9,7,5,…1.
#include<stdio.h>
#include<conio.h>
int main()
{
int i;
for(i=9;i>=1;i=i-2)
{
printf("%d \n", i);
}
return 0;
}
27.
Write a C program to print the series 1,1,2,3,5,8… upto ten
terms.
#include<stdio.h>
#include<conio.h>
int main()
{
int a,b,c,i;
a=1;
b=1;
for(i=1;i<=10;i++)
{
printf("%d \n", a);
c=a+b;
a=b;
b=c;
}
return 0;
}
28.
Write a C program to print natural numbers from 1 to 5.
#include<stdio.h>
#include<conio.h>
int main()
{
int i;
i=1;
while(i<=5)
{
printf("%d \n", i);
i++;
}
return 0;
}
29.
Write a C program to print the first ten odd numbers.
#include<stdio.h>
#include<conio.h>
int main()
{
int i, a;
i=1;
a=1;
while(i<=10)
{
printf("%d \n", a);
a=a+2;
i++;
}
return 0;
}
30.
Write a C program to print the sum of digits of a given
number.
#include<stdio.h>
#include<conio.h>
int main()
{
int n, s, r;
s=0;
printf("Enter any number: ");
scanf("%d", &n);
while(n>0)
{
r=n%10;
s=s+r;
n=n/10;
}
printf("Sum of digits= %d",s);
return 0;
}
31.
WRITE
A C PROGRAM to display product of
digits.
#include<stdio.h>
#include<conio.h>
int main()
{
int n, p, r;
p=1;
printf("Enter any number: ");
scanf("%d", &n);
while(n>0)
{
r=n%10;
p=p*r;
n=n/10;
}
printf("Product of digits=
%d",p);
return 0;
}
32.
WRITE
A C PROGRAM to reverse the given digits.
#include<stdio.h>
#include<conio.h>
int main()
{
int n, s, r;
s=0;
printf("Enter any number: ");
scanf("%d", &n);
while(n>0)
{
r=n%10;
s=s*10+r;
n=n/10;
}
printf("Reverse digits=
%d",s);
return 0;
}
33.
WRITE
A C PROGRAM to check whether the given
number is prime or not.
#include<stdio.h>
#include<conio.h>
int main()
{
int n, i=1, c=0;
printf("Enter any number: ");
scanf("%d", &n);
for(i=2;i<=n;i++)
{
if(n%i==0)
c=c+1;
}
if(c==2)
printf("%d is prime number", n);
else
printf("%d is not prime number", n);
return 0;
}
34.
WRITE
A C PROGRAM to check whether the given
number is palindrome or not.
#include<stdio.h>
#include<conio.h>
int main()
{
int
n, s, r, a;
s=0;
printf("Enter any number: ");
scanf("%d", &n);
a=n;
while(n>0)
{
r=n%10;
s=s*10+r;
n=n/10;
}
if(a==s)
{
printf("%d is palindrome number", a);
}
else{
printf("%d is not palindrome number",a);
}
return 0;
}
35.
Write
a C program to print the multiplication table of any input number up to tenth
terms.
#include<stdio.h>
#include<conio.h>
int main()
{
int n, i=1, c=0;
printf("Enter
any number: ");
scanf("%d",
&n);
for(i=1;i<=10;i++)
{
c=n*i;
printf("%d X %d = %d \n", n,i,c);
}
return 0;
}
