*1.*
/* Print armstrong numbers from 1 to 500 */
/*1st version of prgrm: I am using pow function*/
#include<stdio.h>
#include<conio.h>
#include<math.h>
int main()
{
int num=1,temp,sum,r;
while(num<=500){
sum=0;
temp=num;
while(temp){
r=temp%10;
sum+=pow(r,3);
temp/=10;
}
if(sum==num)
printf("%d\n",num);
num++;
}
getch();
return 0;
}
It prints :
1
370
371
407
But it does not print 153 which is also armstrong number. WHY???
BUT if I change: pow(r,3) to r*r*r in code....then it prints:
1
153
370
371
407
WHY 153 was not printed if i use pow() function???
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