#include <stdio.h>
#include <stdlib.h>

int* create_on_stack(int n) {
	int *p = alloca(n * sizeof(int));
	return p;
}

int* create_on_heap(int n){
	int *p = malloc(n * sizeof(int));
	return p;
}

int main() {
	int n = 6;
	int *stack = create_on_stack(6);
	int *heap = create_on_heap(6);
	return 0;
}