54 lines
1.4 KiB
C#
54 lines
1.4 KiB
C#
using System;
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using System.Linq;
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using System.Text;
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using aoc2019.lib;
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namespace aoc2019
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{
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public sealed class Day17 : Day
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{
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private const bool Verbose = false;
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private readonly IntCodeVM vm;
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public Day17() : base(17, "Set and Forget")
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{
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vm = new IntCodeVM(Input.First());
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}
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public override string Part1()
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{
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vm.Reset();
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vm.Run();
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var sb = new StringBuilder();
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while (vm.output.Any())
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sb.Append((char) vm.Result);
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if (Verbose) Console.Write(sb);
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var grid = sb.ToString().Trim().Split().Select(s => s.ToCharArray()).ToArray();
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var sum = 0;
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for (var y = 1; y < grid.Length - 1; y++)
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for (var x = 1; x < grid[y].Length - 1; x++)
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if (grid[y][x] == '#' &&
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grid[y - 1][x] == '#' &&
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grid[y + 1][x] == '#' &&
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grid[y][x - 1] == '#' &&
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grid[y][x + 1] == '#')
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sum += x * y;
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return $"{sum}";
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}
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public override string Part2()
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{
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//vm.Reset();
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//vm.memory[0] = 2;
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//var halt = IntCodeVM.HaltType.Waiting;
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//while (halt == IntCodeVM.HaltType.Waiting)
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//{
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// halt = vm.Run();
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//}
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return "";
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}
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}
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} |