/*  Example Recursive Power
	Recursive calculation of Power
	Author: Peter Brusilovsky 
	
	The program request two integers a and b anc calculates a power b
	If b is negative, the program does nothing
*/
#include <stdio.h>

int power(int base, int exp);

void main(){
	int a, b;
	
	printf("Enter a and b: ");
	scanf("%d %d", &a, &b);
	
	if(b >= 0) 
		printf("%d power %d = %d\n", a, b, power(a, b));
}

int power(int base, int exp) {
	if(exp == 0)
		return 1;
	else
		return (base * power(base, exp-1));
}