program to find whether the given no. is an armstrong or not.

#include <stdio.h>

int main()
{
int n, sum = 0, temp, r;
printf("Enter an integer\n");
scanf("%d",&n);
temp = n;

while( temp != 0 )
{
r = temp%10;
sum = sum + r*r*r;  //r is nothing but remainder//
temp = temp/10;
}
 if ( n == sum )
printf("Entered number is an armstrong number \n"); else
printf("Entered number is not an armstrong number    \n");
 return 0 ;
}

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