Completed day 6
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@ -7,9 +7,9 @@ InputReader inputReader = new()
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//IsDebug = true
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};
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//inputReader.SetInputByChallange(3);
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inputReader.SetInputByChallange(6);
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IChallange challange = new Day08(inputReader);
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IChallange challange = new Day06(inputReader);
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Console.WriteLine($"Part 1: {await challange.GetSolutionPart1()}");
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@ -1,19 +1,63 @@
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using AdventOfCode.Core;
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using System;
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using System.Reflection;
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using System.Text.RegularExpressions;
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namespace AdventOfCode.Solutions._2023
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{
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public class Day06(InputReader reader) : IChallange
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public partial class Day06(InputReader reader) : IChallange
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{
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private InputReader _inputReader = reader;
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public async Task<string> GetSolutionPart1()
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{
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return string.Empty;
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var data = (await _inputReader.ReadAsArrayString()).Select(line => GetDigets().Matches(line)).ToArray();
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long totalValue = 1;
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for (int index = 0; index < data[0].Count; index++)
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{
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totalValue *= CalculateWays(int.Parse(data[0][index].Value), int.Parse(data[1][index].Value));
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}
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return totalValue.ToString();
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}
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public async Task<string> GetSolutionPart2()
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{
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return string.Empty;
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var data = (await _inputReader.ReadAsArrayString()).Select(line => GetDigets().Matches(line.Replace(" ", string.Empty))).ToArray();
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return CalculateWays(long.Parse(data[0][0].Value), long.Parse(data[1][0].Value)).ToString();
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}
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private long CalculateWays(long raceTime, long currentDistance)
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{
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long distance,
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waysToWin = 0,
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time = raceTime;
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if (raceTime % 2 == 1)
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{
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// uneven
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time = (time + 1) / 2;
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}
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else
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{
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time /= 2;
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time++;
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waysToWin++;
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}
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do
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{
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distance = time * (raceTime - time);
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if (distance > currentDistance)
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waysToWin += 2;
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time++;
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}
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while (distance > currentDistance);
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return waysToWin;
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}
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[GeneratedRegex(@"\d+")]
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private static partial Regex GetDigets();
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}
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}
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@ -34,12 +34,8 @@ namespace AdventOfCode.Solutions._2023
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{
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public int Bid { get; set; }
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public SetRanks Rank { get; set; }
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public int HighValue { get; set; }
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public string Source { get; set; }
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public string JokerSource { get; set; } = string.Empty;
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public List<char> CharCompairList => string.IsNullOrEmpty(JokerSource) ? CardValues : CardValuesJoker;
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public Hand(string line, bool jokerMode = false)
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@ -1,10 +1,2 @@
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LR
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11A = (11B, XXX)
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11B = (XXX, 11Z)
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11Z = (11B, XXX)
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22A = (22B, XXX)
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22B = (22C, 22C)
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22C = (22Z, 22Z)
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22Z = (22B, 22B)
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XXX = (XXX, XXX)
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Time: 7 15 30
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Distance: 9 40 200
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