#include <conio.h>
#include <iostream.h>
#include <stdlib.h>

const MAX = 10;

int trucks = 40;
int numWheels = 10;
int weeks = 20;
int viewWeek = 3;
int k1 = 5;
int k2 = 10;
int k3 = 25;
int k4 = 30;
int k5 = 30;

int round(double num)
{
	int result = num;
	if (num - result >= 0.5) result++;
	return result;
}

void inputData()
{
	cout << "Number of trucks:";
	cin >> trucks;
	cout << "Number of truck's wheels:";
	cin >> numWheels;
	cout << "Number of weeks:";
	cin >> weeks;
	cout << "Number of weeks between view:";
	cin >> viewWeek;
        cout << "Damaging wheels:";
        cout << "befour 6000 km:";
	cin >> k1;
        cout << "after 6 000 km:";
        cin >> k2;
        cout << "after 12 000 km:" ;
        cin >> k3;
        cout << "after 18 000 km:" ;
        cin  >> k4 ;
        cout << "after 24 000 km:";
        cin >> k5;
}

void main()
{
	randomize();
	clrscr();
	inputData();

	int q100 = trucks * numWheels;
	int q80  = 0;
	int q60  = 0;
	int q40  = 0;
	int q20  = 0;

	int sum = k1 + k2 + k3 + k4 + k5;
	int d1 = round((double)k1 / sum / 3 * 100);
	sum -= k1;
	int d2 = round((double)k2 / sum / 3 * 100);
	sum -= k2;
	int d3 = round((double)k3 / sum / 3 * 100);
	sum -= k3;
	int d4 = round((double)k4 / sum / 3 * 100);

	int damage, i, newWheels = 0;
	int lost1, lost2, lost3, lost4;

	for (int week = 1; week <= weeks; week++)
	{
		lost1 = lost2 = lost3 = lost4 = 0;
		for (int k = 0; k < MAX; k++)
		{
			damage = 0;
			for (i = 0; i < q100; i++) if (random(100) < d1) damage++;
			lost1 += damage;
			damage = 0;
			for (i = 0; i < q80; i++) if (random(100) < d2) damage++;
			lost2 += damage;
			damage = 0;
			for (i = 0; i < q60; i++) if (random(100) < d3) damage++;
			lost3 += damage;
			damage = 0;
			for (i = 0; i < q40; i++) if (random(100) < d4) damage++;
			lost4 += damage;

		}
		lost1 /= MAX;
		lost2 /= MAX;
		lost3 /= MAX;
		lost4 /= MAX;

		q100 -= lost1;
		q80  -= lost2;
		q60  -= lost3;
		q40  -= lost4;

		if (week % 3 == 0)
		{
			q20 = q40;
			q40 = q60;
			q60 = q80;
			q80 = q100;
			q100 = trucks*numWheels - q80 - q60 - q40 - q20;
			newWheels += q100;
		}

		if (week % viewWeek == 0)
		{

			 {
		       newWheels += trucks*numWheels - q100 - q80 - q60 - q40 - q20;
			 }
			cout << "Week N" << week << ": " << newWheels << " - new wheels" << endl;
			if (getch() == 27) break;
			newWheels = 0;
		}


	     
	}
}