static void Main(string[] args)
{
/*for (int i = 0; i < args.Length; i++)
* {
* Console.WriteLine($"args[{i}]={args[i]}");
* }
* foreach (var arg in args)
* {
* Console.WriteLine($"");
* }*/
if (args.Length != 1)
{
throw new Exception("Please only input one number");
}
int usrGuess;
if (Int32.TryParse(args[0], out usrGuess))
{
var hail = new Hailstone(usrGuess);
}
else
{
throw new Exception("Please input a number, not whatever you just gave me");
}
}
private void btnCalc_Click(object sender, EventArgs e)
{
// Depending on the number range selected, this could be a long process
// so set the cursor to wait
this.Cursor = Cursors.WaitCursor;
// Set the starting values and objects
int currentNumber, startRange, endRange, currentMax;
hailstones = new List<Hailstone>();
startRange = int.Parse(tbxStart.Text);
endRange = int.Parse(tbxEnd.Text);
if (startRange > endRange)
{
// For fun, use an XOR swap
startRange ^= endRange;
endRange ^= startRange;
startRange ^= endRange;
tbxStart.Text = startRange.ToString();
tbxEnd.Text = endRange.ToString();
}
Hailstone hailstone;
for (currentNumber = startRange; currentNumber <= endRange; currentNumber++)
{
// Create a new Hailstone and set its starting values
hailstone = new Hailstone();
hailstone.number = currentNumber;
hailstone.max = currentNumber;
hailstone.trips = 1;
currentMax = currentNumber;
do
{
// Process the rules (even: n / 2, odd: n * 3 + 1)
currentMax = (currentMax % 2 == 0) ? currentMax/2 : 3 * currentMax + 1;
// Update maximum reached value
hailstone.max = (currentMax > hailstone.max) ? currentMax : hailstone.max;
// Increase trip count until 1 is reached
hailstone.trips++;
} while (currentMax > 1);
// Add the new Hailstone to the collection
hailstones.Add(hailstone);
// Update the progress
lblProgress.Text = String.Format("Processing: {0}", currentNumber);
Application.DoEvents();
}
// Update the graph with the new values
lblProgress.Text = "Building Graph...";
Application.DoEvents();
updateGraph();
Application.DoEvents();
// Output the values to a textbox, tab delimited
StringBuilder output = new StringBuilder();
foreach (Hailstone item in hailstones)
{
lblProgress.Text = String.Format("Adding {0} to output...", item.number);
Application.DoEvents();
output.Append(String.Format("Number:{0}\t\tTrips:{1}\t\tMax:{2}\r\n", item.number, item.trips, item.max));
}
tbxOut.Text = output.ToString();
lblProgress.Text = "";
this.Cursor = Cursors.Default;
}
