Program of while loop in “c”

        

Program of while loop in “c”

·       /* to print number from 1 to 5*/

#include<stdio.h>

main()

{

int i;

i=1;

while(i<=5)

{

printf(“%d”,i);

++i;

}

}

·       /* To print even number less than 100 */

#include<stdio.h>

main()

{

int  i=2;

while(i<100)

{

printf(“%d”,i);

i=i+2;

}

}

·       /* To print the sum of digit */

#include<stdio.h>

main()

{

int num,r,s=0;

printf(“enter the digit”);

scanf(“%d”,&num);

while(num>0)

{

r = num%10;

s=s+r;

num=num/10;

}

printf(“sum=%d”,s);

}

·       /* to print  the reverse from of a given number */

#include<stdio.h>

main()

{

int num,r,rev=0;

printf(“enter the number”);

scanf(“%d”,&num);

while(num>0)

{

r=num%10;

rev=rev*10+r;

num=num/10;

}

printf(“reverse num=%d”,rev);

}

·       /* to check the number is pallidrone or not*/

#include<stdio.h>

#include<conio.h>

main()

{

int num,r,rev=0,t;

clrscr();

printf(“enter the number”);

scanf(“%d”,&num);

t=num;

while(num>0)

{

r= num%10;

rev=rev*10+r;

num=num/10;

}

if(t==rev)

printf(“%d is pallidrone”,t);

else

printf(“%d is not pallidrone”,t);

}

·       /*To check the number is armstrong or not */

#include<stdio.h>

main()

{

int num,r,s=0,t;

printf(“enter the number”);

scanf(“%d”,&num);

t=num;

while(num>0)

{

r= num%10;

s=s+r*r*r;

num=num/10;

}

if(t==s)

printf(“%d is armstrong”,t);

else

printf(“%d is not armstrong”,t);

}