C-Program to know all the armstrong numbers between 1 and given number

#include<stdio.h>

#include<math.h>

int main()

{

  int num,i,j,temp1,temp2,sum=0;;

  printf("Enter a number to know all armstrong number between them\n");

  scanf("%d",&num);

  printf("Armstrong numbers are:\n");

  for(i=1;i<=num;i++)

  {

    sum=0;

    temp1=i; 

    temp2=i; 

    while(temp1>0)

    {

      j=temp1%10;

      sum+=pow(j,3);

      temp1=temp1/10;

    }

    if(sum==temp2)

    {

      printf("%d\n",sum);

    }

  }

return 0;

}