62 lines
1.7 KiB
Plaintext
62 lines
1.7 KiB
Plaintext
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<Query Kind="Program" />
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class Node { public char N; public List<Node> Precond = new List<Node>(); public List<Node> Postcond = new List<Node>(); }
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class Worker { public Node curr; public int Remaining; }
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void Main()
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{
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var data = File
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.ReadAllLines(Path.Combine(Path.GetDirectoryName(Util.CurrentQueryPath), @"07_input.txt"))
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.Where(p => !string.IsNullOrWhiteSpace(p))
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.Select(l => (l[5], l[36]))
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.ToList();
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var nodes = data.SelectMany(p => new[] { p.Item1, p.Item2 }).Distinct().Select(p => new Node { N = p }).ToList();
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foreach (var (pre, post) in data)
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{
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var n1 = nodes.First(p => p.N == pre);
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var n2 = nodes.First(p => p.N == post);
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n1.Postcond.Add(n2);
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n2.Precond.Add(n1);
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}
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var workers = Enumerable.Repeat(0, 5).Select(p => new Worker()).ToList();
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var started = new HashSet<Node>();
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var fin = new HashSet<Node>();
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var done = new StringBuilder();
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for (int sec = 0; workers.Any(n => n.curr != null) || fin.Count < nodes.Count; sec++)
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{
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foreach (var w in workers.Where(p => p.curr != null))
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{
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if (--w.Remaining == 0)
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{
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started.Remove(w.curr);
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done.Append(w.curr.N);
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fin.Add(w.curr);
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w.curr = null;
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}
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}
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foreach (var w in workers.Where(p => p.curr == null))
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{
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var n = nodes
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.Where(p => !started.Contains(p))
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.Where(p => !fin.Contains(p))
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.Where(p => p.Precond.All(q => fin.Contains(q)))
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.OrderBy(p => p.N)
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.FirstOrDefault();
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if (n == null) continue;
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w.curr = n;
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w.Remaining = 60 + 1 + (n.N - 'A');
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started.Add(n);
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}
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$"{sec:000} {string.Join(" ", workers.Select(w => (w?.curr?.N ?? '.').ToString()))} {done.ToString()}".Dump();
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}
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}
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// Define other methods and classes here
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