int MBnext_k_permutation(int *ar, int n, int k) {
int result = MBnext_permutation(ar, k);
if (result == 0) {
result = MBnext_combination(ar, n, k);
}
return result;
}
int main(void)
{
unsigned int numbers[] = {0, 1, 2};
const size_t k = sizeof(numbers) / sizeof(unsigned int);
unsigned int n = 5;
do {
MBprint_array(numbers, k, stdout);
putchar('\n');
} while (MBnext_combination(numbers, n, k));
return 0;
}