//starting off
#include <iostream>
#include <cmath>
using namespace std;

int main ()
{
//initializing variables for number of organisms given, average daily population increase, and number of days multiplying
	double startNumOrganisms;
	double	aveDailyIncrease;
	double numDaysMult;

//asking for the starting number of organisms
	cout << "Enter the starting number of organisms: ";
	cin >> startNumOrganisms;

// asking for the average daily population increase percentage
	cout << "Enter the average daily population increase (as a percentage): ";
	cin >> aveDailyIncrease;

// asking for the number of days they will multiply
	cout << "Enter the number of days they will multiply: ";
	cin >> numDaysMult;

// each day given? yikes. Define "day"?
	//int day;

// defining population size for the population size found on each day
	//int populationSize;

// limiting what I will accept for cin

// no startNumOrganisms under 2
// if the bastards cin something wrong anyway, this is what I will display:
	if (startNumOrganisms <2)
	{
		cout << "The starting number of organisms must be at least 2.";
		cin >> startNumOrganisms;
	}

// no population increase less than 0, also the display
	if (aveDailyIncrease <0)
	{
		cout << "The average daily population increase must be a positive value.";
		cin >> aveDailyIncrease;
	}

//
	if (numDaysMult <1)
	{
	cout << "The number of days must be at least 1.";
	cin >> numDaysMult;
	}

// setting up the loop: using FOR loop

	int populationSize = startNumOrganisms;

	for (int day = 1; day <= numDaysMult ; day++)
	{
		populationSize += populationSize * aveDailyIncrease;
		// round number by converting to int
		int rounded = populationSize;
		// displaying the answers for each day
		cout << "On day " << day << " the population size was " << rounded << ".\n";
	}

return 0;
}