mirror of
https://github.com/HenkKalkwater/aoc-2020
synced 2024-12-22 16:35:18 +00:00
Add day 11
This commit is contained in:
parent
ddbdb8e69d
commit
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GPG key ID:
1795A594046530AB
92
in/11.txt
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92
in/11.txt
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LLLLL.LLL.LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLL.LLLLLLL.LLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLL.LLLLL
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LLLLLLLLL.LLLLLLLLLLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLL.LLLLL.LLLLLL.L.LLLL.LLL.L.LLLLL
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LLLLLLLLL.LLLLLL.L.LLLLLL.LLLLLLLLL.LLLL...LLLLLL.LLLLLLL.LLLLLLL.LLLLLLLLLLLLLLLLLLL.LLLLL.LLLLL
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LLLLLLLLLLLLLLL..LLLLLL.LLLLLLLLLLLLLLLLL..LLLLLL.LLLLLLL.LLLLLLL.LLLLL.LLLLLLLL.LLLL.LLLLLLLLLLL
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LLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLL.LLLLLLL.LLLLL.LLLLLLLL.LLLL.LLLLL.LLLLL
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L.LL...L..L.L...L...L..L...L.....L....LL..L.LLLL..LL.LL..LLL.L..LL....L..L....L...LL..LL.......L.
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LLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLL.LLLLLLL.LLLLLLLLLLLLL.LLLLLLLL.LLLL..LLLL.LLLLL
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LL..LLL......LLL.L...L.....L.....L.L.L..L.L.L.LLL.L.L.LLL....L...LL..L..L.L.LL......L.....LL.L...
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LLLLLLLLL.LLLLLL.LLLLLLL..LLLLLLLLLLLLL.LLLLLLLLL.LLLLLLL.LLLLLLL.LLLLL.LLLLL.LL.LLLL.LLLLL.LLLLL
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LLLLLLL.L.LLLLLL.LLLLLLLL.LLLLLLLLL.LLL.L.LLLLLLLLLLLLLLL.LLLLLLL.LLLLL.LL.LLLLLLLLLLLLLLLLLLLLLL
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LLLLLLLLLLLLLLLL.LLLLLL.LLLLLLLLLLL.LLLL.LLLLLLLL.LLLLLLLLLL.L..LLLLLLLLLLLLLLLL.LLLL.LLLLL.LLLLL
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LLLLLLL.LLLLLLLLLLLLLLLLL.LLLLLLLLLLLLL.L.LLLLLLL.LLLLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLL.LLLLL.L.LLL
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LLL.LLL.L.LL....L.....LL..L........L.LL.L...LLL.L...L.......L.L.L.L....LL...L.LLL........LL.....L
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LLLLLLLLL.LL.LLLLL.LLLLLLLLLLLLLLLL.LLLLL.LLLLLLL..LLLLL..LLLLLLL.L.LLL.LLLLLLLL.LL.L.LLLLLLLLLLL
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LLLLLLLLLLLLLLLLLL.LLLLLL.LLLL.LLLL.LLLLL.LLLLLLL.LLLL.LL.LLLLL.LLLLLLL..LLLLLLL.LLLLLLLLLL.LLLLL
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LLLLLLLLL.LLLLLLLLLLLLLLL.LL.LLLL.LLLLLLL.LLLLLLLLLLLLLLL.LLLLLLL.LLLLLLLL.LLL.LLLLLL.LLLLL.LLLLL
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L.LLLLLLL.LLLLLL.LL.LLLLL.LLLL.LLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLL.LLLLL
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LLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLL.LLLLLLL.LLLLLLL.LLLLLLL.LLLLL.LLL...L.LLLLL.LLLLL.LLLLL
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LLLLLLLLL.LLLLLLLLLLLLL.L.LLL.LLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLL.LLLLL.LLLLL
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LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLL.LLLLLLL.LLLLLLL.LL.LLLLLLLLLLL.LLLL.LLLLL.LLLLL
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LLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLL.L.LLLLLLLL..LLLLLLL.LLL.L.L.LLLLL.LL.LLLLL.LLLLLLLL.L.LLLLL
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LLLLL.LLL.LLLLLLLL.LLLLLL.LLLLLLLLL.LLL.L.LLLLLLL.LLLLLLL.LLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLL
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.L..LL...L....L..LL..LLLL......L.L..L.L.LL....L.L..L..L....L....LL..L.L..L.L.L..L..L.LL.L...L....
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LLLLLLLLLLLLLLL.LLLLL.LLL.LLLLLLLLLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLL.LLLLL..LLLLLLL.LLLL.LLL.L.LLL.L
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LLLLLLLLLLL.LLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLLL.LLLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLL.LLL..LLLLL.LLLLL
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LLLLLLLLLLLLLLLL.LLLLLLL.LL.LLLLLLL.LLLLL.LLLL.LLLLLLLLLL.LLLLLLLLL.LLL.LLLLLLLLLLLLL.LLLLL.LLLLL
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LLLLLLLLL.LLLLLL.LLLLLL.L.LLLLLLLLL.LLLLL.LLLLLLL.LLLLLLL.LLLLLLLLLLLLL..LLLLLLLLLLLLLLLLLLLLLLLL
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LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLL..LLLLLL.LLLLLLL.LLLLL.LLLLLLLL.LLLL.LLLLL.LLLLL
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..L..L.L..L..LL..LLL.L..L..LL.L...LL.L.L..LL.L.LL.L....LLL..LLL..LLL.L.L...LL.LL.LL...L..L...L.LL
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LLLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLL.LLL.LLL.LLLLLLLLLLLLL.LLLLL.LL..LLL.LLLLL.L.LLL
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LLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLL.LLLLL.LLLLLLL.LLLLLLLLLLLLLLLLL.LLL.LLL.LLLL.LLLLLLLL.L.LLLLL
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LLLLLLLLL.LLLLLLLL.LLLLLL.LLLLLLLLL.LLLLL.LLLLL.LLLLLLLLL.L.LLLLLLLLLLL.LLLLLLLL.LLL.LL.LLL.LLLLL
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LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLL.LLLLLLLLLLLLLLL.LLLLL.LLLLLLLLLLL.LLLLLLL.LLLL.
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.LLLLLLLL.LLLLLL.LLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLL.LLLLL
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....L...L.....L..L...LL.L....L......L.....L..LL...L.......L....L.....L.L..L...L..........LL.LL...
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LLLLL.LLL.LLLLLL.LLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLL..LLLLL.LLLLLLLL.LLLLLLLLLLLLLLLL
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LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLL.LLLL.LL.LLLLLLL..LLLLLLLLLLLLL.LLLLL.LLLL.LLLLL
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LLLLLLLLL.L.LLLLLLLLLLLLL.LLLLLLLLL.L..LLLLLLLLLL.LLLLLLLLLLLLL.L.LLLLLLLLLLLLLL.LLLL.LLLLL.LLLLL
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LLLL.LL.L.LLLLLL.LLLLLLLL.LLLL.LLLL..LLLL.LLLLLLL..LLLLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLL.LLLLLLLLLLL
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LLLLLL.LLLLLLLLLLLLLL.LLL.LLLLLLLLLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLLLLLLLL
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L.LLLLLLLLLLLLLL.LLLLL.LL.LLLLLLLLLLLLLLLLLLLLLLL.LLLLLLL.LLLL.LL.LLLLLLLLLLLLLLLLLLL.LLLLL.LLLLL
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LLLLLLLL..LLLLLL.LLLLLLLLLLLLLLLL.L.LLLLL.LLLLLLLLLLLLLLL.LLLLLLL..LLLLLLLLLLLLL.LLLL.LLLLL.LLLLL
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L...LLL.L..LL..L.LLL.....L......L...LLL..L....LLL..L...L...........L..L..L...LL.LL.L...LL.LLLLLL.
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.LLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLLL.LLLLL
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LLLLLLLL..LLLLLL.LLLLLLLLLLLLLLLLL.LLLLLL.L.LLLL..LLLLLLL.LLLLLLL.LLLLL.LLL.LLLL.LLLL.LLLLLLLLLLL
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..L.L.LL........L.L...LL.LLL...L....LL......L.......LL.......L.L...L..LL.L..LL.L.L.L..L..........
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LLLLLLLLLLLLLL.L.LLLLLLLL.LLLLLLLLL.LLLLL.LLLLL.L.LLLLLLL.LLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLLL.LLLLL
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L.LLLLLLLLLLL.LL.LLLLLLLLLLLLLLLLLL.LLLLLLL.LLLLLLLLLLLLLLLL.LLLL.LLLLL.L.LLLLLL.LLLLLLLLLL.LLLLL
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LLLLLLLLL.LLLLLL.LLLL.LLL.LLLLLLLLL.LLLLL.LLLLLLL.LLLLLLL.LLLLLLL.LL.LLLLLLLLLLLLLLLLLLLLLL.LLLLL
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LLLL.LLL..LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLL.LLLLLLL.LLLLLLL..LLLLLL.LLLLL.LLLLLLLL.LLLL.LLLLL..LL.L
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.L......L....LLLL.......L.L...LL...L.L..L..L..LL..L.....L......LL..LL...L...L....L.L..L...LL.L.L.
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L.LLLLLLLLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLLL.LLLL.LL.LLLLLLL.LLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLL.LLLLL
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LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLL.LLLLLLL.LLLLLLL.LLLLL.LLLLLLLL.LL.L.LL.LLLLLLLL
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LLLL.LLLLLLLLLLL.LLLLLLLL.LL.LLLLL..LLLLL.LLLLLLL.L.LLLLL.LLLLLLL.LLLLL.LL.LLLLL.LLLLLLLLLL..LLLL
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LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLL.LL.LLLLL.LLLLLLLLLLLLLLL.LLLLLLL...LLL.LLLLLLLL.LLLL.LLLLLLLLLLL
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LLLLLLLLL.LLLLL.LLLLLLLLL.LLLLLLLLL.LLLLL.L.LLLLL.LLLLLLLLLLLLLLL.LLLLLLLLLLLL.L.LLLL.LLLLL.LLLLL
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LLLL.LLLL.LLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLL.LLLLLLL.L.LLLLLLLLLLLLLLLLLLLL.LLLL..LLLL.LLLLL
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LLLLLLLLL.LLLLLL.LLLLLLLL.LLL.LLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLL.LL.LL
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LLLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLL.LLLLLLL.LLLLLLL.LLLLL.LLLLLLLL.LLLL.LLLLLL.LLLL
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LLLLLLLLLLLLLLLL.LLLLLLL..LLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLL.LLLL.L..LLLL.L.LLLLL..LLLL.LLLLL.LLLLL
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@ -18,6 +18,7 @@ import day7;
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import day8;
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import day9;
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import day10;
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import day11;
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import dayutil;
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immutable string progName = "aoc-2020";
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@ -37,6 +38,7 @@ Variant function(int, File, bool, string[])[] programs = [
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&day8.run,
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&day9.run,
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&day10.run,
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&day11.run,
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];
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void printUsage(string message = null) {
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@ -27,7 +27,6 @@ size_t part1(T)(SortedRange!(T[]) numbers) {
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}
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// Device adapter is always rated 3 volts higher
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gap3++;
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writeln(gap1, ", ", gap3);
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return gap1 * gap3;
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}
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183
source/day11.d
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183
source/day11.d
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import std.array;
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import std.algorithm;
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import std.range;
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import std.string;
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import std.stdio;
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import std.traits;
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import std.variant;
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import dayutil;
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enum Spot {
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FLOOR,
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EMPTY,
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TAKEN
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}
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Variant run(int part, File input, bool bigboy, string[] args) {
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Spot[][] spots = parseInput(input.byLineCopy);
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return Variant(parts!size_t(part,
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() => part1(spots),
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() => part2(spots)));
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}
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Spot[][] parseInput(Range)(Range range) if (isInputRange!Range && isSomeString!(ElementType!Range)) {
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return range.map!(row => row.map!((spot) {
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switch(spot) {
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case '.':
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return Spot.FLOOR;
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case 'L':
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return Spot.EMPTY;
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case '#':
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return Spot.TAKEN;
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default:
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assert(false, "Unknown type");
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}
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}).array).array;
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}
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size_t part1(Spot[][] input) {
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Spot[][] prev = input.dup;
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do {
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foreach (i, row; input.enumerate) {
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prev[i] = row.dup;
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}
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//prev = input.dup;
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for (int y = 0; y < input.length; y++) {
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for (int x = 0; x < input[y].length; x++) {
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if(input[y][x] == Spot.FLOOR) continue;
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uint adjacent_taken = 0;
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for (int dy = max(0, y - 1); dy <= min(prev.length - 1, y + 1); dy++) {
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for (int dx = max(0, x - 1); dx <= min(prev[y].length - 1, x + 1); dx++) {
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if (dx == x && dy == y) continue;
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switch(prev[dy][dx]) {
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case Spot.TAKEN:
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adjacent_taken++;
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break;
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default:
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break;
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}
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}
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}
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import std.format;
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if (adjacent_taken == 0) {
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input[y][x] = Spot.TAKEN;
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} else if (adjacent_taken >= 4) {
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input[y][x] = Spot.EMPTY;
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}
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}
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}
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} while(!prev.equal(input));
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return input.joiner.count(Spot.TAKEN);
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}
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unittest {
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import std.format;
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string layout = q"EOS
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L.LL.LL.LL
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LLLLLLL.LL
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L.L.L..L..
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LLLL.LL.LL
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L.LL.LL.LL
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L.LLLLL.LL
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..L.L.....
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LLLLLLLLLL
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L.LLLLLL.L
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L.LLLLL.LL
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EOS";
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size_t result = parseInput(layout.lineSplitter).part1();
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assert(result == 37, "Result is %d (expected 37)".format(result));
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}
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size_t part2(Spot[][] input) {
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Spot[][] prev = input.dup;
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do {
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foreach (i, row; input.enumerate) {
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prev[i] = row.dup;
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}
|
||||
//prev = input.dup;
|
||||
for (int y = 0; y < prev.length; y++) {
|
||||
for (int x = 0; x < prev[y].length; x++) {
|
||||
if(prev[y][x] == Spot.FLOOR) {
|
||||
//debug write('.');
|
||||
continue;
|
||||
}
|
||||
import std.format;
|
||||
|
||||
int adjacent_taken = 0;
|
||||
for (int dy = -1; dy <= 1; dy++) {
|
||||
for (int dx = -1; dx <= 1; dx++) {
|
||||
if (dx == 0 && dy == 0) continue;
|
||||
|
||||
Spot spot;
|
||||
int i = 1;
|
||||
do {
|
||||
int nx = x + i * dx;
|
||||
int ny = y + i * dy;
|
||||
i++;
|
||||
if (ny < 0 || ny >= prev.length || nx < 0 || nx >= prev[ny].length) {
|
||||
//debug write("\x1B[41m");
|
||||
spot = Spot.EMPTY;
|
||||
break;
|
||||
}
|
||||
|
||||
spot = prev[ny][nx];
|
||||
} while(spot == Spot.FLOOR);
|
||||
|
||||
if (spot == Spot.TAKEN) {
|
||||
adjacent_taken++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//debug write(adjacent_taken);
|
||||
//debug write("\x1B[0m");
|
||||
if (adjacent_taken == 0) {
|
||||
input[y][x] = Spot.TAKEN;
|
||||
} else if (adjacent_taken >= 5) {
|
||||
input[y][x] = Spot.EMPTY;
|
||||
}
|
||||
}
|
||||
//debug writeln();
|
||||
}
|
||||
//debug writeln();
|
||||
|
||||
/+debug {
|
||||
void printSpots(Spot[][] flop) {
|
||||
foreach(row; flop) {
|
||||
foreach(seat; row) {
|
||||
write(seat == Spot.TAKEN ? '#' : (seat == Spot.EMPTY ? 'L' : '.'));
|
||||
}
|
||||
writeln();
|
||||
}
|
||||
}
|
||||
printSpots(input);
|
||||
}+/
|
||||
} while(!prev.equal(input));
|
||||
|
||||
return input.joiner.count(Spot.TAKEN);
|
||||
}
|
||||
|
||||
unittest {
|
||||
import std.format;
|
||||
string layout = q"EOS
|
||||
L.LL.LL.LL
|
||||
LLLLLLL.LL
|
||||
L.L.L..L..
|
||||
LLLL.LL.LL
|
||||
L.LL.LL.LL
|
||||
L.LLLLL.LL
|
||||
..L.L.....
|
||||
LLLLLLLLLL
|
||||
L.LLLLLL.L
|
||||
L.LLLLL.LL
|
||||
EOS";
|
||||
size_t result = parseInput(layout.lineSplitter).part2();
|
||||
assert(result == 26, "Result is %d (expected 26)".format(result));
|
||||
}
|
||||
|
||||
Loading…
Reference in a new issue