using System;
using System.Threading;
using System.Windows.Forms;

namespace Lab_12
{
    public partial class Form1 : Form
    {
        private Object myLock = new Object();
        public Form1()
        {
            InitializeComponent();
        }

        private UInt64 divider;


        private void CheckDivizion(Object param)
        {
            if (dataGridView1.InvokeRequired)
            {
                Monitor.Enter(myLock);
                dataGridView1.Invoke(new MethodInvoker(
                                                delegate
                                                {
                                                    dataGridView1.Rows[Convert.ToInt32(param) - 2].Cells[0].Value = (UInt64)param;
                                                    dataGridView1.Rows[Convert.ToInt32(param) - 2].Cells[1].Value = (divider % (UInt64)param == 0);
                                                    //dataGridView1.Rows.Add(new object[] { (UInt64)param, (divider % (UInt64)param == 0) });
                                                }));
                Monitor.Exit(myLock);
            }
            else
            {
                dataGridView1.Rows[(int)param-2].Cells[0].Value = (UInt64)param;
                dataGridView1.Rows[(int)param - 2].Cells[1].Value = (divider % (UInt64)param == 0);
            }
        }

        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (!Char.IsDigit(e.KeyChar) && e.KeyChar != Convert.ToChar(8))
            {
                e.Handled = true;
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Trim() != string.Empty)
            {
                if (Convert.ToUInt64(textBox1.Text) == 0)
                {
                    MessageBox.Show("Число повинне бути відмінним від 0");
                }
                else
                {
                    dataGridView1.Rows.Clear();
                    dataGridView1.Rows.Add(9);
                    divider = Convert.ToUInt64(textBox1.Text);
                    //Запуск потоків перевірки на ділення
                    for (UInt64 i = 2; i <= 10; i++)
                    {
                        Thread t =  new Thread(new ParameterizedThreadStart(CheckDivizion));
                        t.Start(i);
                    }
                    
                }
            }
            else
            {
                MessageBox.Show("Введіть число!");
            }
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Windows.Forms;

namespace Lab_12
{
    public partial class Form1 : Form
    {
        
        public Form1()
        {
            InitializeComponent();
        }

        private UInt64 divider;
        private static UInt64 lastNum;
        private static object syncObject;

        private void Func(object arg)
        {
            while (true)
            {
                lock (syncObject)
                {
                    UInt64 current = (UInt64)arg;

                    if (lastNum != current)
                    {
                        Monitor.PulseAll(syncObject);
                        continue;
                    }

                    if (dataGridView1.InvokeRequired)
                    {
                        dataGridView1.Invoke(new MethodInvoker(
                            delegate
                            {
                                dataGridView1.Rows.Add(new object[] { (UInt64)arg, (divider % (UInt64)arg == 0) });
                                Thread.Sleep(5);
                            }));
                    }
                    else
                    {
                        dataGridView1.Rows.Add(new object[] { (UInt64)arg, (divider % (UInt64)arg == 0) });
                    }
                        
                    lastNum++;

                    break;
                }
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Trim() != string.Empty)
            {
                dataGridView1.Rows.Clear();
                divider = Convert.ToUInt64(textBox1.Text);

                Thread[] threadArray = new Thread[11];
                syncObject = new object();
                lastNum = 1;

                for (UInt64 i = 1; i < Convert.ToUInt64(threadArray.Length); i++)
                {
                    threadArray[i] = new Thread(Func);
                    threadArray[i].IsBackground = true;
                    threadArray[i].Start(i);
                }
            }
            else
            {
                MessageBox.Show("Введіть число!");
            }
        }
    }
}