static public void generate_Permutations(string[] source)
//TODO: disconnect proccess of generating combinations from calls to permutation algorithm to enable farther work distribution between threeds + feature(ignore part of combinations)
{
CheckParams(source);
string path = $@"CombinationList_{DateTime.Now.ToString("yyyyMMddHHmmss")}.txt";
Permutations_Vault p_vault = new Permutations_Vault(path);
permutation_algorithm(source, 0, source.Length - 1, p_vault);
for (int k = 1; k <= source.Length - 1; k++)
{
for (int i = 0; i <= source.Length - 1; i++)
{
string[] particularCombination;
prepCombination(out particularCombination, source, k, i);
permutation_algorithm(particularCombination, 0, particularCombination.Length - 1, p_vault);
p_vault.dumpIfNecessary();
}
}
}
static private void permutation_algorithm(string[] s, int i, int n, Permutations_Vault vault)
{
if (i == n)
{
vault.store_result(s);
Counter++;
}
else
{
for (int j = i; j <= n; j++)
{
string tmp = s[j];
s[j] = s[i];
s[i] = tmp;
permutation_algorithm(s, i + 1, n, vault);
tmp = s[j];
s[j] = s[i];
s[i] = tmp;
}
}
}