57 lines
1.0 KiB
Plaintext
57 lines
1.0 KiB
Plaintext
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<Query Kind="Program" />
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class P { public int XX, YY, VX, VY; }
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List<P> input;
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void Main()
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{
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input = File
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.ReadAllLines(Path.Combine(Path.GetDirectoryName(Util.CurrentQueryPath), @"10_input.txt"))
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.Where(p => !string.IsNullOrWhiteSpace(p))
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.Select(l => new P
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{
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XX=int.Parse(l.Substring(10,6).Trim()),
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YY=int.Parse(l.Substring(18,6).Trim()),
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VX=int.Parse(l.Substring(36,2).Trim()),
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VY=int.Parse(l.Substring(40,2).Trim()),
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})
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.ToList();
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for (;;)
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{
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foreach (var v in input) { v.XX += v.VX; v.YY += v.VY; }
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if (input.Any(Alone)) continue;
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Print();
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return;
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}
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}
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bool Alone(P p) => !input.Any(i => i != p && Math.Abs(i.XX-p.XX)<=1 && Math.Abs(i.YY-p.YY)<=1);
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void Print()
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{
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int minX = input.Min(i => i.XX);
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int maxX = input.Max(i => i.XX);
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int minY = input.Min(i => i.YY);
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int maxY = input.Max(i => i.YY);
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var b = new StringBuilder();
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for (int y = minY; y <= maxY; y++)
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{
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for (int x = minX; x <= maxX; x++)
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{
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b.Append(input.Any(i => i.XX==x&&i.YY==y)?'#':'.');
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}
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b.AppendLine();
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}
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b.ToString().Dump();
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}
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