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

void BasicForLoops();
void AverageGrades();
bool WhileLoopExample();
void LoopWhileExample();

int main()
{
	//BasicForLoops();
	//AverageGrades();
	 /*bool result =WhileLoopExample();

	 if (result)
	 {
		 cout << "Welcome to the program" << endl;
	 }
	 else
	 {
		 cout << "Sorry, You FAIL" << endl;
	 }*/
	LoopWhileExample();

	system("PAUSE");
}

void BasicForLoops()
{
	int MyArray[10];
	int i =0;
	//write to the array
	for( i =0; i<10;i++)
	{
		MyArray[i] =i*3-2;
	}//end for

	cout << i << endl;
	//read from the array
	for(i=0; i<10;i++)
	{
		cout << MyArray[i] << endl;
	}

	cout<<"Enter how many loops you want to do";
	int loops;
	cin >> loops;

	for (int x=0; x < loops; x++)
	{
		cout << "Hello" << endl;
	}
}//end function

void AverageGrades()
{
	int number;
	cout << "How many grades to enter" << endl;
	cin >> number;
	int *ptrArray= new int[];
	ptrArray[number];

	for (int i=0; i < number; i++)
	{
		cout<<"Enter a grade : ";
		cin >> ptrArray[i];
		cout << endl;

	}

	int total=0;
	for (int i=0; i < number; i++)
	{
		total += ptrArray[i];
	}

	double average=double(total) /number;

	cout << "Average grade is: " << average << endl;

	delete ptrArray;

}

bool WhileLoopExample()
{
	 bool authenticated=false;
	 int counter=0;
		
		while (authenticated==false && counter < 3)
		{
			string username, password;
			cout << "enter your username" << endl;
			getline(cin,  username);
			cout << "Enter Your password" << endl;
			getline(cin, password);

			//&& and, || or
			if (username=="Michelle Brown" && password=="password")
			{
				authenticated=true;
			}//end if
			counter ++;

		} // end while

		return authenticated;
}//end function

void LoopWhileExample()
{

	int counter=1;

	do
	{
		counter++;
		cout << counter << endl;
	} while (counter < 1);
}