using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Zadania1z1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Random rnd = new Random();
            double liczbaM = double.Parse(textBox1.Text);
            double liczbaZ = double.Parse(textBox2.Text);
            double pomylka = 333333.333333*(liczbaZ/(double)100);
            double dolnaGranica, gornaGranica;

            dolnaGranica = 333333.333333 - pomylka;
            gornaGranica = 333333.333333 + pomylka;

            // metoda prostokatow
            for (int j = 0; j < liczbaM; j++)
            {
                int liczbaN = rnd.Next(10, 100000);

                double dx, calka_p, wysokosc_p = 0 , calka_t, wartosc_a = 0 , wartosc_b = 0;

                dx = liczbaN / (double)10000;

                calka_p = 0;
                for (double i = 0; i <= 100; i += dx)
                {
                    wysokosc_p = i * i;
                    calka_p += wysokosc_p * dx;
                }
                calka_p += wysokosc_p * dx;

                if (calka_p >= dolnaGranica && calka_p <= gornaGranica)
                {
                    listBox1.Items.Add(calka_p.ToString());
                }

                calka_t = 0;
                for (double i = 0; i <= 100; i += dx)
                {
                    wartosc_b = i * i;
                    calka_t += ((wartosc_a + wartosc_b) * dx) / (double)2;
                    wartosc_a = wartosc_b;
                }
                calka_t += wysokosc_p * dx;

              //  if (calka_t >= dolnaGranica && calka_t <= gornaGranica)
              //  {
                    listBox2.Items.Add(calka_t.ToString());
              //  }



                //  listBox2.Items.Add(dx.ToString());
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}



////////// model cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Zadania1z1
{
    public enum AreaType
    {
        Rectangle,
        Trapezoid
    }

    public class SingleCount
    {
        public double X1 { get; set; }
        public double X2 { get; set; }
        public int N { get; set; }
        public AreaType AreaType { get; set; }
        public double Area { get; set; }
        public int CalculationNumber { get; set; }
        public int LowestN { get; set; }
        public double MinSquareError { get; set; }

        public SingleCount() { }
        public SingleCount(double x1, double x2, int n, AreaType areaType, double area, int calculationNumber)
        {
            this.X1 = x1;
            this.X2 = x2;
            this.N = n;
            this.AreaType = areaType;
            this.Area = area;
            this.CalculationNumber = calculationNumber;

        }
        public SingleCount(double x1, double x2, int n, AreaType areaType, double area, int calculationNumber, int lowestN)
        {
            this.X1 = x1;
            this.X2 = x2;
            this.N = n;
            this.AreaType = areaType;
            this.Area = area;
            this.CalculationNumber = calculationNumber;
            this.LowestN = lowestN;

        }
    }

    public class Global
    {
        public List<SingleCount> ListOfSingleCounts { get; set; }

        public Global() { }
        public Global(List<SingleCount> listOfSingleCounts)
        {
            this.ListOfSingleCounts = listOfSingleCounts;
        }

    }
}