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private int HashFunction(string str)
- Steven July 24, 2017{
var chars = str.ToCharArray();
int result = 0;
foreach (var chr in chars)
result += chr.GetHashCode();
return result;
}
private Hashtable HashCol(String[] col)
{
Hashtable table = new Hashtable();
foreach (var str in col)
{
int key = HashFunction(str);
if (!table.ContainsKey(key))
{
table.Add(key, new List<string> { str });
}
else
{
(table[key] as List<string>).Add(str);
}
}
return table;
}
private String[] GetAnagrams(string str, Hashtable table)
{
int key = HashFunction(str);
return (table[key] as List<string>).ToArray();
}
public static int main(string arg)
{
Hashtable table = HashCol(new String[] { "cat", "dog", "ogd", "act", "tca", "ofg" });
String[] strs = GetAnagrams("dog", table);
}