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Armstrong Number in C, C Program for Amstrong Number upto a limit

Definition of an Armstrong number
Armstrong number is a number in which sum of its digits to power of number of its digits is equal to that number are known as Armstrong numbers.

Example: let the Number is 153
Total digits in 153 is 3
And 1^3 + 5^3 + 3^3 = 1 + 125 + 27 = 153

Armstrong Number in C, C Program for Amstrong Number upto a limit:

#include<stdio.h>
#include<conio.h>
void main()
{
    int num,rem,sum,temp;
          
           clrscr();

    for(num=1;num<=500;num++)
    {
         temp=num;
         sum = 0;
         while(temp!=0)
         {
             rem=temp%10;
             temp=temp/10;
             sum=sum+(rem*rem*rem);
         }
         if(sum==num)
             printf("%d ",num);
    }
  
           getch();
   
}
/*
Output:
1 153 370 371 407
*/

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