ARMSTRONG NUMBER
#include<stdio.h>
#include<math.h>
int main()
{
int n,z,r,s,i;
printf("Enter the number: ");
scanf("%d",&n);
z=n;
i=0;
while(z!=0)
{
i++;
z=z/10;
}
z=n;
s=0;
while(z!=0)
{
r=z%10;
s=s+pow(r,i);
z=z/10;
}
if(s==n)
printf("\nThe enter number %d is an armstrong number\n",n);
else
printf("\nThe enter number %d is not an armstrong number\n",n);
return 1;
}
ARMSTRONG NUMBER RANGE
#include<stdio.h>
#include<math.h>
int main()
{
int n,z,r,s,i,a,b;
printf("Enter the lower limit of the range: ");
scanf("%d",&a);
printf("\nEnter the upper limit of the range: ");
scanf("%d",&b);
printf("\nArmstrong numbers are: \n\n");
for(n=a;n<=b;n++)
{
z=n;
i=0;
while(z!=0)
{
i++;
z=z/10;
}
z=n;
s=0;
while(z!=0)
{
r=z%10;
s=s+pow(r,i);
z=z/10;
}
if(s==n)
printf("%d ",n);
}
return 1;
}