// Lab5.cpp
// Initial (but buggy) code

#include <iostream>
using namespace std;

int main()
{
const int LARGEST_INT = 0x7fffffff;
// Repairing an endless loop at runtime
// loop should display 0 to 9 (iterate 10 times), but never moves beyond 0
cout << "\nRepairing a badly written counting loop\n";
int nIncrementValue = 0; // silly value, but let's see the behaviour
int nCount = 0;
while (nCount < 10) {
	cout << nCount << endl;
	nCount = nCount + nIncrementValue;
	}

// Displays the powers using the int data type
// It starts out fine, but then tumbles into an endless loop, displaying 0's 
cout << "\nRepairing a badly written Powers of 2 loop\n";
int nPowersOf2=1;
cout	<< "Bytes for 'nPowersOf2': " << sizeof(nPowersOf2) <<
			".  Maximum value for an int: " << LARGEST_INT << endl;

while (nPowersOf2 < LARGEST_INT) {
	nPowersOf2 = nPowersOf2*2;
	cout << nPowersOf2 << endl;
	}

// Displays the powers using the unsigned char data type
// But it displays odd-looking characters rather than numbers 
const char LARGEST_CHAR = 0x7f;
cout << "\nRepairing a badly written Powers of 2 loop\n";
unsigned char cPowersOf2=1;
cout	<< "Bytes for 'cPowersOf2': " << sizeof(cPowersOf2) <<
			".  Maximum value for a char: " << LARGEST_CHAR << endl;

while (cPowersOf2 < LARGEST_CHAR) {
	cPowersOf2 = cPowersOf2*2;
	cout << cPowersOf2 << endl;
	}
}