public void generateBitStrings(int[] bitArr, List <int[]> bitStringsArr, int i)
{
if (i == bitArr.Length)
{
bitStringsArr.Add(ArrayHelperClass <int> .copy1DArray(bitArr));
}
else
{
bitArr[i] = 1;
generateBitStrings(bitArr, bitStringsArr, i + 1);
bitArr[i] = 0;
generateBitStrings(bitArr, bitStringsArr, i + 1);
}
}
public void permutations(int[] arr, List <int[]> permutationList, int l, int r)
{
if (l == r)
{
int[] currentPermutation = ArrayHelperClass <int> .copy1DArray(arr);
permutationList.Add(currentPermutation);
}
else
{
for (int i = l; i < r; i++)
{
ArrayHelperClass <int> .swapElements(arr, i, l);
permutations(arr, permutationList, l + 1, r);
ArrayHelperClass <int> .swapElements(arr, i, l);
}
}
}
