//This is a program that displays a blood cell histogram. See class notes.
//Laura Toma

#include <iostream.h>


//This function prints n stars
void printStars(int n) {
	int i = 0; 
	while (i<n) {
		cout << "*"; 
		i++;
	}
}

int main () {
    
	const double LRANGE = 0, URANGE = 50; 
	
	double bloodCellCount; //blood cell count
	double sumcells;  //sum of cells
	int ncells; //number of cells
	int healthyCells; 
	
	//initialize variables
	bloodCellCount = 0; 
	sumcells = 0;
	ncells = 0;
	healthyCells = 0; 
	
	//read values from user and update sum and ncells
	cout << "Enter blood cell counts one by one in the range " 
	     << LRANGE << ", " << URANGE << "; " 
	     << "finish with a value out of range.\n";
	while (bloodCellCount >= LRANGE && bloodCellCount <= URANGE) {
		
		cin >> bloodCellCount; 
		if (bloodCellCount >= LRANGE && bloodCellCount < URANGE) {
			ncells++; 
			sumcells = sumcells + bloodCellCount; 
		}
		if (bloodCellCount >= 35 && bloodCellCount <= 50) {
			healthyCells++; 
		}
	}
	
	double avgCount = sumcells/ncells; 
	cout << "The average blood cell count is " << avgCount << endl; 
	
	cout << "The distribution of the blood cell counts was: \n";
	cout << "Healthy: "; 
	printStars(healthyCells); 
	cout << endl;
	
	cout << "Anemic: ";
	printStars(ncells-healthyCells);
	cout <<endl;
	return 0;
}