Praktika_Pibd-14/Praktika/Form1.cs

using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using static System.Windows.Forms.VisualStyles.VisualStyleElement;

namespace Praktika
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

        }
        int[,] array2D;
        public static int flag = 0;
        private void ButtonOne_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxLen.Text) || string.IsNullOrEmpty(textBoxMin.Text) || string.IsNullOrEmpty(textBoxMax.Text))
            {
                MessageBox.Show("Ïîæàëóéñòà, ââåäèòå âñå íåîáõîäèìûå äàííûå äëÿ ñîçäàíèÿ ìàññèâà.");
                return;
            }
            int[] array = new int[Convert.ToInt32(textBoxLen.Text)];
            Random random = new Random();
            for (int i = 0; i < array.Length; i++)
            {
                array[i] = random.Next(Convert.ToInt32(textBoxMin.Text), Convert.ToInt32(textBoxMax.Text));
            }
            arrayTextBox.Text = string.Join(", ", array);
        }

        private void ButtonTwo_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxLen.Text) || string.IsNullOrEmpty(textBoxMin.Text) || string.IsNullOrEmpty(textBoxMax.Text))
            {
                MessageBox.Show("Ïîæàëóéñòà, ââåäèòå âñå íåîáõîäèìûå äàííûå äëÿ ñîçäàíèÿ ìàññèâà.");
                return;
            }
            int rows = Convert.ToInt32(textBoxLen.Text);
            int columns = Convert.ToInt32(textBoxLen.Text);
            array2D = new int[rows, columns];
            Random random = new Random();
            for (int i = 0; i < rows; i++)
            {
                for (int j = 0; j < columns; j++)
                {
                    array2D[i, j] = random.Next(Convert.ToInt32(textBoxMin.Text), Convert.ToInt32(textBoxMax.Text));
                }
            }
            // Âûâîä äâóìåðíîãî ìàññèâà â òåêñòîâîå ïîëå
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < rows; i++)
            {
                for (int j = 0; j < columns; j++)
                {

                    sb.Append(array2D[i, j] + " ");
                }
                sb.AppendLine();
            }
            arrayTextBox.Text = sb.ToString();
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            int[] array = Array.ConvertAll(arrayTextBox.Text.Split(','), int.Parse);
            int maxLength = 0;
            int seriesStartIndex = 0;
            int seriesLength = 0;

            for (int i = 1; i < array.Length; i++)
            {
                int currentLength = 1;
                for (int j = i; j < array.Length - 1; j++)
                {
                    if (array[j] % array[j - 1] == 0)
                    {
                        currentLength++;
                    }
                    else
                    {
                        break;
                    }
                }

                if (currentLength > maxLength && currentLength >= 2)
                {
                    maxLength = currentLength;
                    seriesStartIndex = i - 1;
                    seriesLength = currentLength;
                }
            }
            MessageBox.Show($"Ñåðèÿ ñ ìàêñèìàëüíîé äëèíîé íà÷èíàåòñÿ ñ ïîçèöèè {seriesStartIndex} è èìååò äëèíó {seriesLength}");
            flag = 1;
        }

        private void Button9_Click(object sender, EventArgs e)
        {
            if (flag == 1)
            {
                richTextBox1.Text = "Äàí öåëî÷èñëåííûé îäíîìåðíûé ìàññèâ ðàçìåðà N." +
                    "Ñåðèÿ – ýòî ïîñëåäîâàòåëüíîñòü ýëåìåíòîâ ìàññèâà, èäóùèõ äðóã çà äðóãîì." +
                    "Êàæäûé ýëåìåíò ñåðèè äåëèëñÿ íàöåëî íà ïðåäûäóùèé.Ñåðèÿ äîëæíà" +
                    "ñîäåðæàòü ìèíèìóì 2 ýëåìåíòà.Äëèíà ñåðèè – êîëè÷åñòâî ýëåìåíòîâ â" +
                    "ñåðèè.Íàéòè ñåðèþ ñ ìàêñèìàëüíîé äëèíîé.Âûâåñòè ñ êàêîé ïîçèöèè" +
                    "íà÷èíàåòñÿ ñåðèÿ è åå äëèíó.";
            }
            else if (flag == 2)
            {
                richTextBox1.Text = "";
            }
            else if (flag == 3)
            {
                richTextBox1.Text = "";
            }
            else if (flag == 4)
            {
                richTextBox1.Text = "";
            }
            else if (flag == 5)
            {
                richTextBox1.Text = "";
            }
            else if (flag == 6)
            {
                richTextBox1.Text = "";
            }
            else
            {
                MessageBox.Show("Ïîæàëóéñòà, âûáåðèòå çàäàíèå");
            }
        }

        private void button10_Click(object sender, EventArgs e)
        {
            if (flag == 1)
            {

            }
        }

        private void Button2_Click(object sender, EventArgs e)
        {
            int[] array = Array.ConvertAll(arrayTextBox.Text.Split(','), int.Parse);
            int Min = int.MaxValue, minIndex = -1, Max = int.MinValue, maxIndex = -1;

            for (int i = 0; i < array.Length; i++)
            {
                if (array[i] > Max && array[i] < 0)
                {
                    Max = array[i];
                    maxIndex = i;
                }
                if (array[i] < Min && array[i] > 0)
                {
                    Min = array[i];
                    minIndex = i;
                }
            }
            int begin = Math.Min(minIndex, maxIndex) + 1, end = Math.Max(minIndex, maxIndex) - 1;
            for (; begin < end; begin++, end--)
            {
                int tmp = array[begin];
                array[begin] = array[end];
                array[end] = tmp;
            }
            richTextBox1.Text = string.Join(", ", array);
        }

        private void Button3_Click(object sender, EventArgs e)
        {
            int[] array = Array.ConvertAll(arrayTextBox.Text.Split(','), int.Parse);

            for (int i = 0; i < array.Length; i++)
            {
                if (array[i] < 0)
                {
                    Array.Resize(ref array, array.Length + 1); // Óâåëè÷èâàåì ðàçìåð ìàññèâà íà 1
                    for (int j = array.Length - 1; j > i + 1; j--) // Ñäâèãàåì âñå ýëåìåíòû ïîñëå òåêóùåãî íà 1 ïîçèöèþ âïðàâî
                    {
                        array[j] = array[j - 1];
                    }
                    array[i + 1] = -1; // Âñòàâëÿåì ÷èñëî 2 ïîñëå òåêóùåãî ýëåìåíòà
                    i++; // Ïðîïóñêàåì ñëåäóþùóþ èòåðàöèþ öèêëà, ÷òîáû íå îáðàáàòûâàòü âñòàâëåííîå ÷èñëî 2
                }

            }
            richTextBox1.Text = string.Join(", ", array);
        }

        private void Button4_Click(object sender, EventArgs e)
        {
            int[] array = Array.ConvertAll(arrayTextBox.Text.Split(','), int.Parse);

            for (int i = 0; i < array.Length; i++)
            {
                if (array[i] < 0)
                {
                    // Óâåëè÷èâàåì ðàçìåð ìàññèâà íà 1
                    for (int j = i; j < array.Length - 1; j++) // Ñäâèãàåì âñå ýëåìåíòû ïîñëå òåêóùåãî íà 1 ïîçèöèþ âïðàâî
                    {
                        array[j] = array[j + 1];
                    }

                    Array.Resize(ref array, array.Length - 1);
                    i--;
                }

            }
            richTextBox1.Text = string.Join(", ", array);
        }

        private void Button5_Click(object sender, EventArgs e)
        {
            /* int m = arrayTextBox.Lines.Length-1;
             int n = arrayTextBox.Lines[0].Split(' ').Length-1;
             int[,] array = new int[m, n];
             for (int i = 0; i < m; i++)
             {
                 string[] s = arrayTextBox.Lines[i].Split(' ');
                 for (int j = 0; j < n; j++)
                 {
                     array[i, j] = Int32.Parse(s[j]);
                 }
             }
             richTextBox1.Text = string.Join(", ", array);*/

            int[,] array2 = array2D;
            
        }
    }
}