static char matrix(cordinate c)
{
if (c.X == 0 && c.Y == 2)
{
return('1');
}
if (c.X == -1 && c.Y == 1)
{
return('2');
}
if (c.X == 0 && c.Y == 1)
{
return('3');
}
if (c.X == 1 && c.Y == 1)
{
return('4');
}
if (c.X == -2 && c.Y == 0)
{
return('5');
}
if (c.X == -1 && c.Y == 0)
{
return('6');
}
if (c.X == 0 && c.Y == 0)
{
return('7');
}
if (c.X == 1 && c.Y == 0)
{
return('8');
}
if (c.X == 2 && c.Y == 0)
{
return('9');
}
if (c.X == -1 && c.Y == -1)
{
return('A');
}
if (c.X == 0 && c.Y == -1)
{
return('B');
}
if (c.X == 1 && c.Y == -1)
{
return('C');
}
if (c.X == 0 && c.Y == -2)
{
return('D');
}
return('0');
}
static void Main()
{
string[] input = System.IO.File.ReadAllLines(@"C:\Users\Cervelle\Documents\Visual Studio 2013\Projects\AoC2016\AoC2016_2\arg.txt");
var position = new cordinate(-2, 0);
foreach (var line in input)
{
foreach (char c in line)
{
position = MovePosition(position, c);
}
Console.Write("{0}", matrix(position));
}
}
static public cordinate MovePosition(cordinate cordinate, char c)
{
switch (c)
{
case 'U':
cordinate.Y += 1;
break;
case 'D':
cordinate.Y -= 1;
break;
case 'L':
cordinate.X -= 1;
break;
case 'R':
cordinate.X += 1;
break;
}
return(cordinate);
}
