STAP細胞

FindStap.cs

using System;
using System.Collections.Generic;
using System.Linq;

public class FindStap
{
    public static void Main()
    {
        var rand = new Random();

        var inf = Enumerable.Repeat("", 1);
        inf = inf
            .SelectMany(_ => Enumerable.Repeat("", 1).Concat(inf))
            .Select(_ => "AAAA".Select(a => (char)(a + rand.Next(26))))
            .TakeWhile(x => !x.SequenceEqual("STAP"))
            .Select(x => new String(x.Concat("細胞").ToArray()))
            .Concat(new[]{ "STAP細胞", "陽性確認！" });

        foreach (var str in inf)
        {
            Console.WriteLine(str);
        }
    }
}