44 lines
1.5 KiB
Plaintext
44 lines
1.5 KiB
Plaintext
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<Query Kind="Statements" />
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var input_initial = File.ReadAllLines(Path.Combine(Path.GetDirectoryName(Util.CurrentQueryPath), @"12_input.txt"))[0].Substring(15).Select(p=>p=='#'?1:0).ToArray();
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var input_rules = File
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.ReadAllLines(Path.Combine(Path.GetDirectoryName(Util.CurrentQueryPath), @"12_input.txt"))
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.Skip(1)
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.Where(p => !string.IsNullOrWhiteSpace(p))
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.Select( p => ( p.Split(' ')[0].Select(q=>q=='#'?1:0).ToArray() , p.Split(' ')[2][0]=='#'?1:0 ) )
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.Select( p => ( p.Item1.Reverse().Select((u,i)=>(u<<i)).Aggregate((s,t)=>s|t) , p.Item2 ) )
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.OrderBy(p => p.Item1)
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.Select(p => p.Item2)
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.ToArray();
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int LEN = 2 * 20 + input_initial.Length + 2 * 20;
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int OFF = LEN / 2 - input_initial.Length / 2;
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int[] pots = new int[LEN];
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int[] ipots = new int[LEN];
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//input_initial.Dump();
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//input_rules.Dump();
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for (int i = 0; i < input_initial.Length; i++) pots[i+OFF]=input_initial[i];
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int[] rules = new int[OFF*2+100];
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for (int gen = 0; gen < 20; gen++)
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{
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//string.Join("", rules.Select(p => p + "")).Dump();
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($"{gen:00}: "+string.Join("", pots.Select(p => (p == 0) ? "." : "#"))).Dump();
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for (int p = 2; p < pots.Length-2; p++)
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{
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var rule = (pots[p - 2] << 4) | (pots[p - 1] << 3) | (pots[p - 0] << 2) | (pots[p + 1] << 1) | (pots[p + 2] << 0);
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rules[p]=rule;
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ipots[p]=input_rules[rule];
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}
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for (int p = 0, q = 0; p < pots.Length; pots[p++] = ipots[q++]) ;
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}
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($"{20:00}: " + string.Join("", pots.Select(p => (p == 0) ? "." : "#"))).Dump();
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"".Dump();
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pots.Select((p,i) => (p,i-OFF)).Where(p => p.p>0).Sum(p=>p.Item2).Dump();
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