/*
 *  Nov 10, 2009
 *  created by gongo.
 *
 *  Nov 10, 2009
 *  modified by kent.
 */

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

void (*ret)(int, void*);
void *env;


__code
print(int *numbers)
{
	printf("%d-%d-%d-%d-%d-%d\n", numbers[0], numbers[1], numbers[2], numbers[3], numbers[4], numbers[5]);
	free(numbers);
	goto ret(0, env);
}

	__code
take(int *array, int size, int length)
{
	int *taked = (int*)malloc(sizeof(int)*length);

	memcpy(taked, array, sizeof(int)*length);
	free(array);

	goto print(taked);
}

__code
shuffle(int *array, int size, int idx)
{
	int j = random() % size;
	int tmp = array[idx];
	array[idx] = array[j];
	array[j] = tmp;

	if (++idx < size) {
		goto shuffle(array, size, idx);
	} else {
		goto take(array, size, 6);
	}
}

__code
range_loop(int *array, int idx, int from, int to, int step, int size)
{
	array[idx] = from;

	if (from+step > to) {
		goto shuffle(array, size, 0);
	} else {
		goto range_loop(array, idx+1, from+step, to, step, size);
	}
}

__code
range(int from, int to, int step)
{
	int size = (to-from+1)/step;
	int *array = (int*)malloc(sizeof(int)*size);

	goto range_loop(array, 0, from, to, step, size);
}

int
main()
{
	srand(time(NULL));
	ret = _CbC_return;
	env = _CbC_environment;

	goto range(1, 43, 1);
}