#include <stdio.h> void main(){ int num,r,sum=0,temp; printf("Input a number: "); scanf("%d",&num); for(temp=num;num!=0;num=num/10){ r=num % 10; sum=sum+(r*r*r); } if(sum==temp) printf("%d is an Armstrong number.\n",temp); else printf("%d is not an Armstrong number.\n",temp); }