//======================================================
//=      CODE FOR PROBLEM #1 ON PAGE 161 IS BELOW      =
//======================================================
// 
//#include <iostream> <iomanip>
//
//using std::cout;
//using std::cin;
//using std::endl;
//
//int main()
//{
//	short choice;
//
//	cout << "\t\t\tStudent Grade Program";
//	cout << "\n\t\t\t - Main Menu -";
//	cout << "\n\n\t\t1. Enter Name";
//	cout << "\n\t\t2. Enter test scores";
//	cout << "\n\t\t3. Display test scores";
//	cout << "\n\t\t9. Exit";
//	cout << "\n\n\tPlease enter your choice from the list above: ";
//
//	cin >> choice;
//
//	switch (choice)
//	{
//		case 1:
//			cout << "\n\tYou chose: Enter name" << endl;
//			break;
//		case 2:
//			cout << "\n\tYou chose: Enter test scores" << endl;
//			break;
//		case 3:
//			cout << "\n\tYou chose: Display test scores" << endl;
//			break;
//		case 9:
//			cout << "\n\tYou chose: Exit" << endl;
//			break;
//		default:
//			cout << "\n\tMenu choice does not exist" << endl;
//
//	}
//
//	return 0;
//}


//======================================================
//=      CODE FOR PROBLEM #2 ON PAGE 168 IS BELOW      =
//======================================================

//#include <iostream>
//
//using std::cout;
//using std::cin;
//using std::endl;
//
//int main()
//{
//
//	float rate,
//		loan_amount,
//		interest_amount,
//		interest_and_fees,
//		total_cost;
//	
//	short fee = 0;
//
//
//	cout << "\t\t     =========================\n"; 
//	cout << "\t\t\t= Loan Calculator =";
//	cout << "\n\t\t     =========================\n";
//
//	cout << "\n\n\t\tEnter loan amount: ";
//	cin >> loan_amount;
//
//	cout << "\n\t\tEnter loan rate percent: ";
//	cin >> rate;
//
//
//	if (rate < 1 || rate > 18)
//	{
//		cout << "\n\n\tERROR: Interest rate is not between 1% and 18%" << endl;
//	}
//
//	else if (loan_amount < 100 || loan_amount > 1000)
//	{
//		cout << "\n\n\tERROR: Loan amount is not between $100 and $1,000" << endl;
//	}
//
//	else
//	{
//
//		if (loan_amount <= 500)
//			fee = 20;
//
//		else
//			fee = 25;
//
//
//		interest_amount = loan_amount * rate * 0.01;
//
//		interest_and_fees = interest_amount + fee;
//
//		total_cost = loan_amount + interest_and_fees;
//
//
//		cout << "\n\n\tRequested loan amount: $" << loan_amount;
//		cout << "\n\tInterest rate: " << rate << "%";
//		cout << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";
//		cout << "\n\tInterest amount: $" << interest_amount;
//		cout << "\n\tFee: $" << fee;
//		cout << "\n\n\tSum of interst and fees: $" << interest_and_fees;
//		cout << "\n\n================================================================";
//		cout << "\n\tTotal Cost: $" << total_cost << "\n\n";
//	}
//	
//
//	return 0;
//}


//======================================================
//=      CODE FOR PROBLEM #1 ON PAGE 177 IS BELOW      =
//======================================================

//#include <iostream>
//
//using std::cout;
//using std::cin;
//using std::endl;
//
//int main()
//{
//
//	int number = 0;
//
//	cout << "\n\tEnter an integer between 1 and 50: ";
//	cin >> number;
//
//	cout << "\n";
//
//	if (number < 1 || number > 50)
//		cout << "\nERROR: Number must be between 1 and 50\n\n";
// 
//	else
//	{
//		cout << number << " ";
//
//		while (number > 0)
//		{
//			--number;
//
//			if (number % 2 == 0)
//				cout << number << " ";
//
//			else
//				cout << " ";
//
//		}
//		cout << "\n\n" << endl;
//	}
//
//	return 0;
//}


//======================================================
//=      CODE FOR PROBLEM #1 ON PAGE 179 IS BELOW      =
//======================================================

//#include <iostream>
//
//using std::cout;
//using std::cin;
//using std::endl;
//
//int main()
//{
//	int number = 0;
//
//	cout << "\n\tEnter an integer between 1 and 50: ";
//	cin >> number; 
//
//	cout << "\n";
//
//
//	do
//		if (number < 1 || number > 50)
//		{
//			cout << "\n\nERROR: Number must be between 1 and 50\n";
//
//			cout << "\n\tEnter an integer betwen 1 and 50: ";
//			cin >> number;
//
//			cout << "\n";
//		}
//		else
//			cout << "\n\n";
//	while (number < 1 || number > 50);
//
//
//	cout << number << " ";
//
//		while (number > 0)
//		{	
//			--number;
//
//			if (number % 2 == 0)
//				cout << number << " ";
//
//			else
//				cout << " ";
//
//		}
//		cout << "\n\n" << endl;
//
//	return 0;
//}


//======================================================
//=      CODE FOR PROBLEM #1 ON PAGE 184 IS BELOW      =
//======================================================

//#include <iostream>
//
//using std::cout;
//using std::cin;
//using std::endl;
//
//int main()
//{
//
//	int assignments = 0;
//	int assignments_initial = 0;
//	int sum = 0;
//
//	cout << "\n\t\tEnter number of assignments: ";
//	cin >> assignments;
//
//	assignments_initial = assignments;
//
//	cout << "\n\n";
//
//	for (assignments; assignments > 0; assignments--)
//	{
//		int score = 0;
//
//		cout << "\tEnter assignment " << assignments << " score: ";
//		cin >> score;
//
//		cout << "\n";
//
//		sum += score;
//	}
//
//	float avg = (float)sum / (float)assignments_initial;
//
//	cout << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
//	cout << "\n\t\tAverage assignment score: " << avg;
//	cout << "\n\n" << endl;
//
//	return 0;
//}


//======================================================
//=      CODE FOR PROBLEM #3 ON PAGE 192 IS BELOW      =
//======================================================

//#include <iostream>
//
//using std::cout;
//using std::cin;
//using std::endl;
//
//int main()
//{
//	int ending_number = 0;
//	int current_number = 1;
//	int previous_number = 0;
//	int hold = 0;
//
//	cout << "\n\t\t==================================";
//	cout << "\n\t\t== Fibonacci sequence generator ==";
//	cout << "\n\t\t==================================";
//	cout << "\n\n\t";
//
//	cout << "Enter ending number: ";
//	cin >> ending_number;
//
//	cout << "\n\n";
//
//	if (ending_number < 1)
//		cout << "ERROR: Ending number must be 1 or greater";
//
//	else
//
//		while (current_number <= ending_number)
//		{
//			cout << current_number << " ";
//
//			hold = current_number;
//			current_number += previous_number;
//			previous_number = hold;
//		}
//
//	cout << endl;
//
//	return 0;
//}