using System.Collections.Generic;
public static void Main()
char[] strArray = Query.ToCharArray();
Dictionary<char,int> dict =new Dictionary<char,int>();
foreach(char values in strArray)
for(int i =0; i< strArray.Length;i++)
int res = values.CompareTo(strArray[i]);
if(!dict.ContainsKey(values))
foreach(KeyValuePair<char,int> chval in dict)
Console.WriteLine("Key : {0}, Values : {0}",chval.Key,chval.Value);
Console.WriteLine("Hello World");