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www.mikescher.com/www/statics/aoc/2018/03_solution-1.linq
2019-12-02 14:27:20 +01:00

17 lines
722 B
C#

<Query Kind="Expression" />
File
.ReadAllLines(Path.Combine(Path.GetDirectoryName(Util.CurrentQueryPath), @"03_input.txt"))
.Where(l => !string.IsNullOrWhiteSpace(l))
.Select(l => new
{
ID = int.Parse(l.Substring(1).Split(' ')[0]),
X = int.Parse(l.Split('@')[1].Split(':')[0].Split(',')[0].Trim()),
Y = int.Parse(l.Split('@')[1].Split(':')[0].Split(',')[1].Trim()),
W = int.Parse(l.Split('@')[1].Split(':')[1].Split('x')[0].Trim()),
H = int.Parse(l.Split('@')[1].Split(':')[1].Split('x')[1].Trim()),
})
.SelectMany(l => Enumerable.Range(0, l.W).SelectMany(wx => Enumerable.Range(0, l.H).Select(hy => new { Coord=(l.X+wx, l.Y+hy), Source=l })))
.GroupBy(p => p.Coord)
.Where(p => p.Count() > 1)
.Count()