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jgrebnev 6c53e22144 8 commit 8 mesi fa
.gitignore.txt 62ee81afd3 1st commit 9 mesi fa
readme .md 6c53e22144 8 commit 8 mesi fa

readme .md

1 задача


Console.WriteLine("Введите год рождения: ");
int year1 = int.Parse(Console.ReadLine());

for (int year = 1900; year < 2000; year++)
{
    for (int month = 1; month <= 12; month++)
    {
        for (int day = 1; day <= DateTime.DaysInMonth(year, month); day++)
        {
            DateTime date = new DateTime(year, month, day);
            int age = year1 - year;
            int sum1 = CalculateSumOfSquares(year) - (day * day);

            if (sum1 == age)
            {
                Console.WriteLine("Дата рождения по свойству Васи: " + date.ToShortDateString());
            }
        }
    }
}

static int CalculateSumOfSquares(int year)
{
    int sum = 0;
    foreach (char c in year.ToString())
    {
        sum += int.Parse(c.ToString()) * int.Parse(c.ToString());
    }
    return sum;
}

2 задача


class Program 
{

    static void Main(string[] args)
    {
        Console.WriteLine("Введите буковки:");
        string originalString = Console.ReadLine();

        string packedString = PackString(originalString);
        Console.WriteLine("Packed String: " + packedString);
    }

    static string PackString(string originalString)
    {
        if (string.IsNullOrEmpty(originalString))
        {
            return "";
        }

        string packed = "";
        int count = 1;

        for (int i = 0; i < originalString.Length; i++)
        {
            if (i == originalString.Length - 1 || originalString[i] != originalString[i + 1])
            {
                packed += count.ToString() + originalString[i];
                count = 1;
            }
            else
            {
                count++;
            }
        }

        return packed;
    }
}

3 задача


Console.WriteLine("Введите цифры: ");
int secret = Convert.ToInt16(Console.ReadLine());
int guess = Convert.ToInt16(Console.ReadLine());

Console.WriteLine($"Быки: {CountBulls(secret, guess)}");
Console.WriteLine($"Коровы: {CountCows(secret, guess)}");

static int CountBulls(int secret, int guess)
{
    return secret.ToString().Zip(guess.ToString(), (s, g) => s == g ? 1 : 0).Sum();
}

static int CountCows(int secret, int guess)
{
    return secret.ToString().Intersect(guess.ToString()).Count() - CountBulls(secret, guess);
}