POWER OF A NUMBER in c programming language

POWER OF A NUMBER

void main()

{

int pow,num,i=1;

long int sum=1;

clrscr();

printf("\nEnter a number: ");

scanf("%d",&num);

printf("\nEnter power: ");

scanf("%d",&pow);

while(i<=pow)

{

sum=sum*num;

i++;

}

printf("\n%d to the power %d is: %ld",num,pow,sum);

getch();

}