21 lines
622 B
C#
21 lines
622 B
C#
string[] inputs = File.ReadAllLines("input.txt");
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var a = new List<int>();
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var b = new List<int>();
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foreach (string input in inputs)
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{
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string[] tokens = input.Split(" ", StringSplitOptions.RemoveEmptyEntries);
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a.Add(int.Parse(tokens[0]));
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b.Add(int.Parse(tokens[1]));
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}
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a = a.OrderBy(x => x).ToList();
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b = b.OrderBy(x => x).ToList();
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int totalDistance = a.Select((t, i) => Math.Abs(t - b[i])).Sum();
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Console.WriteLine(totalDistance);
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var aBucket = a.GroupBy(x => x);
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var star2 = aBucket.Select(bucket => bucket.Key * b.Count(x => x == bucket.Key) * bucket.Count()).Sum();
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Console.WriteLine(star2); |