1. A Program to print "Himalaya College of Engineering" for 10 times using while loop.
#include<stdio.h>
#include<conio.h>
void main ()
{
int i=1;
while (i<=10)
{
printf("Himalaya
College of Engineering\n");
i++;
}
getch();
}
Output
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
2. A Program to
print "Himalaya College of Engineering" for 10 times using do while loop.
#include<stdio.h>
#include<conio.h>
void main ()
{
int i=1;
do
{
i++;
printf("Himalaya
College of Engineering\n");
}
while (i<=10);
getch();
}
Output
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
Himalaya College of Engineering
3. A program that evaluates following series.
y=1+x2+x3+……..+xn.
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i=2,x,y=1,n;
printf("Enter the value of
x\n");
scanf("%d",&x);
printf("Enter the value of
n\n");
scanf("%d",&n);
while (i<=n)
{
y=y+pow(x,i);
i++;
}
printf("y=%d\n",y);
getch();
}
Output:
Enter the value of x
2
Enter the value of n
3
y=13
4. A program
that evaluates following series.y=x+x2+x3+……..+xn
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i=1,x,y=0,n;
printf("Enter
the value of x\n");
scanf("%d",&x);
printf("Enter
the value of n\n");
scanf("%d",&n);
while (i<=n)
{
y=y+pow(x,i);
i++;
}
printf("y=%d\n",y);
getch();
}
Output:
Enter the value of x
3
Enter the value of n
3
y=39
5. A program
that evaluates following series.y=1 + 1/x + 1/x2
+ 1/x3+……..+1/xn
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i=1,x,n;
float y=1;
printf("Enter
the value of x\n");
scanf("%d",&x);
printf("Enter
the value of n\n");
scanf("%d",&n);
while (i<=n)
{
y=y+(1/pow(x,i));
i++;
}
printf("y=%0.3f\n",y);
getch();
}
Output:
Enter the value of x
3
Enter the value of n
3
y=1.481
6. A Program that asks user to input two integer numbers and
also asks to input operators and performs their sum if operator is "+", subtraction if operator is
"–", product if operator
is "*", modulo division if
operator is "%" otherwise
displays invalid operator. Use if_else_if and switch case.
Using switch case
#include<stdio.h>
#include<conio.h>
void main ()
{
int a,b;
char ch;
printf("Enter two integer\n");
scanf("%d%d",&a,&b);
printf("Press '+' for
addition\nPress '-' for subtraction\nPress '*' for product\nPress '%%' for
modulo division\n");
ch=getche();
switch (ch)
{
case '+':
printf("\nThe addition of two
number is %d\t",a+b);
break;
case '-':
printf("\nThe subtraction of the
two number is %d\t",a-b);
break;
case '*':
printf("\nThe Product of numbers is
%d\t",a*b);
break;
case '%':
printf("\nThe modulo division is
%d\t",a%b);
break;
default:
printf("\nInvalid Operator");
}
getch();
}
Output
Using
if…else…if case:
#include<stdio.h>
#include<conio.h>
void main ()
{
int a,b;
char ch;
printf("Enter two integer\n");
scanf("%d%d",&a,&b);
printf("Press '+' for
addition\nPress '-' for subtraction\nPress '*' for product\nPress '%%' for
modulo division\n");
ch=getch();
if (ch=='+')
printf("\nThe addition of two
number is %d\t",a+b);
else if (ch=='-')
printf("\nThe subtraction of the
two number is %d\t",a-b);
else if(ch=='*')
printf("\nThe Product of numbers is
%d\t",a*b);
else if(ch=='%')
printf("\nThe modulo division is
%d\t",a%b);
else
printf("\nInvalid Operator");
getch ();
}
Output:
7. A Program with
menu drivers that asks user to input two integer numbers and performs:1. Addition of two numbers.
#include<stdio.h>
#include<conio.h>
void main ()
{
int a,b,c;
printf("Enter two
integers\n");
scanf("%d%d",&a,&b);
printf("Press 1 for addition of two
number\nPress 2 for subtraction of 2nd from 1st \nPress 3 for the message\n");
scanf("%d",&c);
switch (c)
{
case 1:
printf("The addition of two number
is %d \t",a+b);
break;
case 2:
printf("The subtraction of second
num. from first is %d\t",b-a);
break;
case 3:
printf("CSIT-FIRST");
break;
default:
printf("Try again");
}
getch();
}
Output:
8. A Program that displays 7 days of week when entered the number from 1-7.
#include<stdio.h>
#include<conio.h>
void main ()
{
int a;
printf("Enter the integer\n");
scanf("%d",&a);
switch (a)
{
case 1:
printf("The day is Sunday");
break;
case 2:
printf("The day is Monday");
break;
case 3:
printf("The day is Tuesday");
break;
case 4:
printf("The day is
Wednesday");
break;
case 5:
printf("The day is Thursday");
break;
case 6:
printf("The day is Friday");
break;
case 7:
printf("The day is Saturday");
break;
default:
printf("Input correct
integer");
}
getch();
}
Output:
9. A Program that asks user to input two number and displays all numbers that lies between the two numbers.
#include<stdio.h>
#include<conio.h>
void main()
{
int m,n,i;
printf("Enter two
numbers.\n");
scanf("%d%d",&m,&n);
printf("\n\nIntegers between
these two numbers are:\n");
for (i=m;i<=n;i++)
printf("%d ",i);
getch();
}
Output:
10. A Program that asks user to input two number and displays even numbers that lies between the two numbers.
#include<stdio.h>
#include<conio.h>
void main()
{
int m,n,i;
printf("Enter two
numbers.\n");
scanf("%d%d",&m,&n);
printf("\n\nEven integers
between these two numbers are:\n");
for (i=m;i<=n;i++)
if (i%2==0)
printf("%d ",i);
getch();
}
Output :
11. Display the series:1 4 9 …………..… 144
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i=1,j;
do
{
j=i*i;
i++;
printf("%d ",j);
}
while (i<=12);
getch();
}
Output:
1 4 9 16 25 36 49 64 81 100 121 144
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