AoC 2017, Day 11

day11.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Day11
{
    class Program
    {
        static int childX = 0;
        static int childY = 0;

        static int furthest = 0;

        static void Main(string[] args)
        {
            var input = File.ReadAllText("input.txt").Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
            foreach (var childStep in input)
            {
                if (childStep.First() == 'n')
                {
                    childY -= 1;
                }
                else
                {
                    childY += 1;
                }

                if (childStep.Last() == 'e')
                {
                    childX += 1;
                }
                else if (childStep.Last() == 'w')
                {
                    childX -= 1;
                }

                if (childX > furthest) furthest = childX;
                if (childY > furthest) furthest = childY;
            }

            Console.WriteLine($"Child @ ({childX}, {childY}) steps = {Math.Max(childX, childY)} furthest = {furthest}");
        }
    }
}