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author | Nat Lasseter <user@4574.co.uk> | 2023-12-05 14:27:01 +0000 |
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committer | Nat Lasseter <user@4574.co.uk> | 2023-12-05 14:27:01 +0000 |
commit | c8c5a65d89fea8f61f20c03f0acac56b3440247a (patch) | |
tree | a18e939d95ca53312768f1c0e85cee06d85d90ee | |
parent | 0e9a0e7332bc5ae4a4cd5a8c3cf6582cca339181 (diff) |
Day 05 part 2 (slow and naïve)
-rw-r--r-- | day05/day05.java | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/day05/day05.java b/day05/day05.java index d7d7992..4bbfb89 100644 --- a/day05/day05.java +++ b/day05/day05.java @@ -28,7 +28,28 @@ public class day05 { } public static String part2(RandomAccessFile input) throws IOException { - return "WIP"; + Garden garden = parseGarden(input); + + long min_loc = Long.MAX_VALUE; + long start = -1; + long length = -1; + for (long seed: garden.seeds) { + if (start == -1) { + start = seed; + continue; + } + length = seed; + + for(long s = start; s < start + length; s++) { + long loc = garden.location(s); + if (loc < min_loc) { + min_loc = loc; + } + } + start = -1; + } + + return Long.toString(min_loc); } private static Garden parseGarden(RandomAccessFile input) throws IOException { |