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aoc2020
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day3big
continuous-integration/drone/push Build is failing Details

This commit is contained in:
Ben Harris 2020-12-03 15:13:18 -05:00
parent fcd1bfb5e5
commit a1f701ddf6
1 changed files with 5 additions and 5 deletions
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10
aoc2020/Day3.cs
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@ -1,5 +1,6 @@
using System.IO;
using System.Linq;
using System.Numerics;
namespace aoc2020
{
@ -36,12 +37,11 @@ namespace aoc2020
var xSlops = new[] {2, 3, 4, 5, 8, 9, 12, 16, 18, 24, 32, 36, 48, 54, 65};
var ySlops = new[] {1, 5, 7, 11, 13, 17, 19, 23, 25, 29, 31, 25, 37, 41, 47};
var slops = xSlops
return xSlops
.SelectMany(x => ySlops, (x, y) => (x, y))
.Select(s => CountSlope(s.Item1, s.Item2));
return slops
.Aggregate((acc, i) => acc * i)
.Select(s => CountSlope(s.Item1, s.Item2))
.Select(s => new BigInteger(s))
.Aggregate(BigInteger.Multiply)
.ToString();
}
}