static void Main()
{
Console.WriteLine("Enter name and phone separated by dash or 'search' command:");
string input = Console.ReadLine();
var phonebook = new MyDictonary<string, string>();
while (input != SearchCommand)
{
var elements = input.Split('-');
try
{
phonebook.Add(elements[0], elements[1]);
}
catch (IndexOutOfRangeException)
{
Console.WriteLine("Invalid input: " + input);
}
catch (ArgumentException ae)
{
Console.WriteLine(ae.Message);
}
input = Console.ReadLine();
}
input = Console.ReadLine();
while(input != string.Empty)
{
string number = null;
try
{
number = phonebook.Get(input);
}
catch (KeyNotFoundException)
{
Console.WriteLine("Contact {0} does not exist.", input);
}
if (number != null)
{
Console.WriteLine("{0} -> {1}", input, number);
}
input = Console.ReadLine();
}
}
static void Main()
{
Console.WriteLine("Enter symbols:");
string line = Console.ReadLine();
var symbolsCount = new MyDictonary<char, int>();
foreach (char ch in line)
{
if (!symbolsCount.ContainsKey(ch))
{
symbolsCount.Add(ch, 0);
}
symbolsCount[ch]++;
}
symbolsCount.OrderBy(item => item.Key);
var keys = symbolsCount.Keys.OrderBy(value => value);
foreach (var key in keys)
{
Console.WriteLine("{0}: {1} time/s", key, symbolsCount[key]);
}
}
