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day 19
continuous-integration/drone/push Build is passing Details

This commit is contained in:
Ben Harris 2020-12-16 20:54:26 -05:00
parent 98f3016b47
commit 34d27fd823
Signed by: ben
GPG Key ID: 4E0AF802FFF7960C
2 changed files with 24 additions and 10 deletions
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2
aoc2019.test/Tests.cs
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@ -26,7 +26,7 @@ namespace aoc2019.test
[DataRow(typeof(Day15), "280", "400")] [DataRow(typeof(Day15), "280", "400")]
[DataRow(typeof(Day16), "90744714", "82994322")] [DataRow(typeof(Day16), "90744714", "82994322")]
[DataRow(typeof(Day17), "2804", "")] [DataRow(typeof(Day17), "2804", "")]
[DataRow(typeof(Day19), "", "")] [DataRow(typeof(Day19), "114", "10671712")]
public void TestAllDays(Type dayType, string part1, string part2) public void TestAllDays(Type dayType, string part1, string part2)
{ {
// create day instance // create day instance

32
aoc2019/Day19.cs
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@ -1,4 +1,5 @@
using System.Linq; using System;
using System.Linq;
using aoc2019.lib; using aoc2019.lib;
namespace aoc2019 namespace aoc2019
@ -6,30 +7,43 @@ namespace aoc2019
public sealed class Day19 : Day public sealed class Day19 : Day
{ {
private readonly IntCodeVM vm; private readonly IntCodeVM vm;
private readonly long[,] grid;
public Day19() : base(19, "Tractor Beam") public Day19() : base(19, "Tractor Beam")
{ {
vm = new IntCodeVM(Input.First()); vm = new IntCodeVM(Input.First());
grid = new long[50, 50];
} }
public override string Part1() public override string Part1()
{ {
var count = 0;
for (var x = 0; x < 50; x++) for (var x = 0; x < 50; x++)
for (var y = 0; y < 50; y++) for (var y = 0; y < 50; y++)
{ {
vm.AddInput(x, y); vm.Reset();
vm.Run(); vm.Run(x, y);
if (vm.Result == 1) count++; grid[x, y] = vm.Result;
} }
return $"{count}"; return $"{grid.Cast<long>().Sum()}";
} }
public override string Part2() public override string Part2()
{ {
return ""; for (int x = 101, y = 0;; x++)
{
while (true)
{
vm.Reset();
vm.Run(x, y);
if (vm.Result == 1) break;
y++;
}
vm.Reset();
vm.Run(x - 99, y + 99);
if (vm.Result == 1)
return $"{(x - 99) * 1e4 + y}";
}
} }
} }
} }