41 lines
968 B
C#
41 lines
968 B
C#
using System.Diagnostics;
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using PrintQueue;
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if (args.Length is 0)
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{
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Console.WriteLine("Please provide a path to the input file.");
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return;
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}
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if (File.Exists(args[0]) is false)
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{
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Console.WriteLine("The provided file does not exist.");
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return;
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}
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var isPart2 = args.Length is 2 && args[1] is "part2";
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var input = await File.ReadAllTextAsync(args[0]);
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var stopwatch = new Stopwatch();
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stopwatch.Start();
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var parser = new PuzzleParser();
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var parseResult = parser.Parse(input);
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var validator = new UpdateValidator(parseResult.Rules);
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var result = isPart2
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? parseResult.Updates
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.Where(u => validator.Validate(u) is false)
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.Select(u => validator.Sort(u))
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.Select(u => u.GetMiddlePage())
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.Sum()
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: parseResult.Updates
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.Where(u => validator.Validate(u))
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.Select(u => u.GetMiddlePage())
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.Sum();
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stopwatch.Stop();
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Console.WriteLine($"The sum of the page numbers is {result}. ({stopwatch.ElapsedMilliseconds}ms)"); |