C programming Question and Answer Day-2

6. Program to accept a number from user and print it’s square & cube.

#include<stdio.h>
#include<conio.h>
void main()
{
int n,sqre,cube;
clrscr();
printf("Enter Number: ");
scanf("%d",&n);
sqre=n*n;
cube=n*n*n;
printf("\nSquare: %d\nCube: %d",sqre,cube);
getch();
}


7. Program to accept two values of a & b and swap their values.

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,temp;
clrscr();
printf("Enter 1st number: ");
scanf("%d",&a);
printf("Enter 2nd number: ");
scanf("%d",&b);
printf("\nBefore Swapping..\n A=%d, B=%d",a,b);
temp=a;
a=b;
b=temp;
printf("\nAfter Swapping..\n A=%d, B=%d",a,b);
getch();
}

8. Program to accept two number and print largest among them.

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf("Enter 1st number: ");
scanf("%d",&a);
printf("Enter 2nd number: ");
scanf("%d",&b);
if(a>b)
printf("Largest value is: %d",a);
else
printf("Largest value is: %d",b);
getch();
}

9. Program to accept a number and check whether the number is Positive, Negative or Zero.

#include<stdio.h>
#include<conio.h>
void main()
{
int n;
clrscr();
printf("Enter number: ");
scanf("%d",&n);
if(n>0)
printf("Number is positive");
else if(n<0)
printf("Number is negative");
else
printf("Number is Zero");
getch();
}

10. Program to check whether the number is even or odd.

#include<stdio.h>
#include<conio.h>
void main()
{
int n;
clrscr();
printf("Enter number: );
scanf("%d",&n);
if(n%2==0)
printf("Number is even");
else
printf("Number is odd");
getch();
}