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, 3};
const size_t n = sizeof(numbers) / sizeof(unsigned int);
do {
MBprint_array(numbers, n, stdout);
putchar('\n');
} while (MBnext_permutation(numbers, n));
return 0;
}
int main(void)
{
unsigned int numbers[] = {0, 1, 2, 3};
char *elements[] = {"a", "b", "c", "d"};
const size_t n = sizeof(numbers) / sizeof(unsigned int);
do {
MBprint_set(numbers, n, (void*)elements, "[]", (MBprintfn)fputs, stdout);
putchar('\n');
} while (MBnext_permutation(numbers, n));
return 0;
}