README.md

c--url-shortener

public class UrlShortenerService : IUrlShortenerService { private static readonly char[] _chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".ToCharArray(); private Dictionary<string, string> UrlDict { get; set; } = [];

private static string GenerateShortCode()
{
    return string.Create(5, _chars, (shortCode, charsState)
        => Random.Shared.GetItems(charsState, shortCode));
}

}