/*
	http://www.ProbCOMP.com
	
	Power , x to the power y which means y number of times x must be multiplied to obtains the value of x to the power y.
	We use recursive function. Recursive function means a function calling itself.


*/


#include<stdio.h>

int calc_power(int number,int power)
{
	if(power==1)
		return number;
	else
		number=number*calc_power(number,power-1);
	return number;
}

void main()
{
	printf("%d",calc_power(4,2));
}