#include <iostream>
#include <string>
using namespace std;


//////////////////////////////////////////////////////
// Rules:  You may NOT edit the main program!
// Instead, you need to write the functions so
// that they work as described in the comments
// with the current main program, unchanged.
//////////////////////////////////////////////////////

int main()
{
	//Implement min and max functions.
	cout << maxValue(10, 2.2, 7) << endl;  // 10
	cout << maxValue(4.9, 5, 5) << endl; //5
	cout << maxValue(8, 10, 20.3) << endl; //20.3

	cout << minValue(6, 20, 3) << endl; //3
	cout << minValue(3.14, 1.17, 8.3) << endl;  //1.17


	//Implement isEven, isOdd, isPrime boolean functions
	int n;
	cout << "Enter a number: " << endl;
	cin >> n;

	if (isEven(n))
	{
		cout << n << " is even." << endl;
	}

	if (isOdd(n))
	{
		cout << n << " is odd." << endl;
	}

	if (isPrime(n))
	{
		cout << n << " is prime." << endl;
	}

	//Add, multiply functions
	cout << add(5, 2) << endl; // 7
	cout << add(-4.2, 23) << endl; // 18.8

	cout << multiply(5, 3) << endl; // 15
	cout << multiply(7, 10) << endl; // 70

	//Create a function that sums the numbers between the given range
	int total1 = sum(8, 20);  //this should be 8+9+10+...+20 =
	int total2 = sum(9, 35);

	cout << "The sum from 8 to 20 is " << total1 << endl;
	cout << "The sum from 9 to 35 is " << total2 << endl;


	//Great, now let's get serious:  write a function that
	//will list all the prime numbers from 1 up to a given number n.
	//Hint:  Functions may call other functions, even other functions that *you* have written.
	listPrimes(10); //Should print: 2,3,5,7
	listPrimes(20); //Should print: 2,3,5,7,11,13,17,19

	//A better way to do your homework assignment:
	//Use the phone pacage information from homework 2
	//to write a function that computes the amount of money owed
	//based on a given phone plan and the usuage hours for the month.
	double moneyOwed1 = computeBill("basic", 237);
	double moneyOwed2 = computeBill("gold", 23);

	cout << "first bill: " << moneyOwed1 << " second bill: " << moneyOwed2 << endl;   //463.95 and 17.95


	//////////////////////////////////////////////////////////////////////////////
	//Before crossing into the test code below:  Make sure you have read
	//about passing by reference.
	//////////////////////////////////////////////////////////////////////////////


	//capital, and makeCaptial
	char letter = 'f';

	char bigLetter = capital(letter);
	cout << letter << endl;  // f
	cout << bigLetter << endl;  // F

	char letter2 = 'd';
	makeCaptial(letter2);
	cout << letter2 << endl; // D

	//swap!
	int x = 5;
	int y = 10;
	swapValues(x, y);
	cout << x << ", " << y << endl; // 10, 5

	int w = 33;
	int z = 20;
	swapValues(w, z);
	cout << w << ", " << z << endl; // 20, 33



	return 0;
}