static Dictionary <string, int> FullElements(MoleculesList list)
{
Dictionary <string, int> result = new Dictionary <string, int>();
foreach (Dictionary <string, int> elem in list)
{
foreach (var atom in elem.Keys)
{
if (result.ContainsKey(atom))
{
result[atom] += elem[atom];
}
else
{
result.Add(atom, elem[atom]);
}
}
}
return(result);
}
static MoleculesList GetElements(string[] molecules)
{
MoleculesList result = new MoleculesList(molecules.Length);
int molNumber = 0;
int atomNumber;
int bracketsNumber = 0;
;
foreach (var mol in molecules)
{
atomNumber = 0;
for (int i = 0; i < mol.Length; i++)
{
if (mol[i] == '(')
{
bracketsNumber = atomNumber;
continue;
}
if (mol[i] == ')')
{
i++;
if (++i < mol.Length && mol[i] >= '0' && mol[i] <= '9')
{
result.AddBrackets(molNumber, bracketsNumber, atomNumber, int.Parse(mol.Substring(i - 1, 2)));
}
else
{
result.AddBrackets(molNumber, bracketsNumber, atomNumber, int.Parse(mol[--i].ToString()));
}
continue;
}
if (mol[i] >= 'A' && mol[i] <= 'Z')
{
string element = new string(mol[i], 1);
i++;
if (i < mol.Length && mol[i] >= 'a' && mol[i] <= 'z')
{
element += mol[i++];
}
if (i < mol.Length && mol[i] > '0' && mol[i] <= '9')
{
if (++i < mol.Length && mol[i] >= '0' && mol[i] <= '9')
{
result.Add(molNumber, element, int.Parse(mol.Substring(i - 1, 2)));
}
else
{
result.Add(molNumber, element, int.Parse(mol[--i].ToString()));
}
}
else if (i >= mol.Length || (mol[i] >= 'A' && mol[i] <= 'Z') || mol[i] == '(' || mol[i] == ')')
{
result.Add(molNumber, element, 1);
i--;
}
else
{
return(null);
}
atomNumber++;
}
}
molNumber++;
}
return(result);
}
