#include<iostream>
#include<cmath>
using namespace std;

/*  malloc works in C++ and C both
int* make_power_array(int base, int length){
	int *result = (int*)malloc(length * sizeof(int)); 
	for(int i = 0; i < length; i++)
		result[i] = pow(base, i);
	return result;
}
*/

int* make_power_array(int base, int length){
	int *result = new int[length]; // C++ only, calls constructors
	for(int i = 0; i < length; i++)
		result[i] = pow(base, i);
	return result;
}


int main(){
	
	int *pa = make_power_array(5, 10);
	for(int i = 0; i < 10; i++)
		cout << pa[i] << " ";
	cout << "\n";
	/* If we used malloc, we use free:
	free(pa); */
	/* if we used new, we'll use delete */
	delete[] pa;
	return 0;
}