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

int main(int argc, char *argv[]) {
		int *array, i, elements;
		FILE *out = fopen("dynamicarray.txt", "w");

		srand(time(0));
		printf("Number of elements? ");
		scanf("%d", &elements);
		array = (int *)malloc(elements * sizeof(int));

		for (i = 0; i < elements; i++) array[i] = rand()%100;
		for (i = 0; i < elements; i++) fprintf(out, "%d\t", array[i]);
		for (i = elements - 1; i >= 0; i--) fprintf(out, "%d\t", array[i]);

		free(array);
		return 0;
}