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Add solution for 2023 day 02

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This commit is contained in:
Patrick Auernig 2023-12-03 04:21:19 +01:00
parent 8386cf2f66
commit 390ce7a811
7 changed files with 270 additions and 3 deletions
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4
2023/README.md
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| Day | Part 1 | Part 2 | Language | | Day | Part 1 | Part 2 | Language |
| :--: | :----: | :----: | :------- | | :--: | :----: | :----: | :------- |
| [01] | ✓ | | [Zig] | | [01] | ✓ | ✓ | [Zig] |
| [02] | | | | | [02] | ✓ | ✓ | |
| [03] | | | | | [03] | | | |
| [04] | | | | | [04] | | | |
| [05] | | | | | [05] | | | |

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2023/day-02/common.zig Normal file
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const std = @import("std");
const List = std.ArrayList;
const alloc = std.heap.page_allocator;
pub const Game = struct {
id: u32,
sets: List(List(Cubes)),
};
pub const Cubes = struct {
amount: u32,
color: CubeColor,
};
pub const CubeColor = enum {
red,
green,
blue,
};
pub fn parse(data: []const u8) !List(Game) {
var lines = std.mem.tokenizeSequence(u8, data, "\n");
var games = List(Game).init(alloc);
while (lines.next()) |line| {
var game_seq = std.mem.tokenizeSequence(u8, line, ": ");
const game_info = game_seq.next().?;
const game_id = try std.fmt.parseInt(u32, game_info[5..], 10);
const game_sets = game_seq.next().?;
var sets_seq = std.mem.tokenizeSequence(u8, game_sets, "; ");
var sets = List(List(Cubes)).init(alloc);
while (sets_seq.next()) |set| {
var items = std.mem.tokenizeSequence(u8, set, ", ");
var x = List(Cubes).init(alloc);
while (items.next()) |item| {
var cubes_data = std.mem.tokenizeScalar(u8, item, ' ');
const amount = try std.fmt.parseInt(u32, cubes_data.next().?, 10);
const color_str = cubes_data.next().?;
var color: ?CubeColor = null;
if (std.mem.eql(u8, color_str, "blue")) {
color = CubeColor.blue;
} else if (std.mem.eql(u8, color_str, "red")) {
color = CubeColor.red;
} else if (std.mem.eql(u8, color_str, "green")) {
color = CubeColor.green;
} else {
unreachable;
}
try x.append(.{ .amount = amount, .color = color.? });
}
try sets.append(x);
}
const game = .{ .id = game_id, .sets = sets };
try games.append(game);
}
return games;
}

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2023/day-02/inputs/puzzle.txt Normal file
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Game 1: 20 green, 3 red, 2 blue; 9 red, 16 blue, 18 green; 6 blue, 19 red, 10 green; 12 red, 19 green, 11 blue
Game 2: 12 green, 3 blue, 16 red; 6 red, 4 blue, 12 green; 11 green, 4 red, 3 blue; 8 green, 15 red, 5 blue
Game 3: 13 blue, 4 red, 8 green; 2 green, 4 red, 19 blue; 5 blue; 10 blue, 6 green, 2 red; 19 blue; 8 blue, 6 red
Game 4: 14 green, 8 blue, 10 red; 11 green, 7 blue, 8 red; 8 green, 18 blue, 11 red
Game 5: 7 red, 7 green, 1 blue; 2 red, 1 green, 2 blue; 2 blue, 7 green; 7 red, 3 blue, 11 green
Game 6: 3 green, 1 red, 3 blue; 5 green, 19 red, 8 blue; 7 red, 2 green, 10 blue; 1 blue, 1 green, 12 red; 6 blue, 1 green, 16 red
Game 7: 1 blue; 2 blue, 11 red, 3 green; 1 blue, 7 red; 2 green, 2 red; 3 green, 4 red, 1 blue; 3 blue, 3 green, 9 red
Game 8: 4 red, 6 green, 4 blue; 4 red, 1 green; 9 blue, 1 green, 11 red
Game 9: 3 blue, 17 red, 5 green; 8 blue, 9 green, 1 red; 6 green, 2 blue, 2 red
Game 10: 3 green, 8 blue; 2 green, 2 red, 3 blue; 1 green, 2 red, 1 blue; 1 red, 3 green, 9 blue; 11 blue; 7 blue
Game 11: 3 red, 3 blue, 9 green; 3 green, 4 red, 8 blue; 1 red, 12 blue; 2 red, 5 blue, 7 green; 11 blue, 2 red, 6 green
Game 12: 15 green, 3 blue, 1 red; 10 green, 2 blue, 2 red; 2 blue, 15 green; 1 red, 10 green, 2 blue; 16 green, 2 red
Game 13: 2 green, 3 blue, 5 red; 9 green, 5 blue, 1 red; 10 blue, 4 red
Game 14: 1 red, 3 green, 20 blue; 8 red, 5 green, 1 blue; 12 blue, 1 green, 2 red; 8 red, 2 green, 2 blue
Game 15: 14 blue, 3 green, 8 red; 16 red, 10 blue; 2 green, 10 blue, 9 red; 12 red, 3 blue, 2 green; 4 green, 6 red, 4 blue
Game 16: 9 green, 7 red, 5 blue; 15 green, 4 red; 3 green, 6 red
Game 17: 1 green, 7 red, 10 blue; 8 blue, 2 red, 1 green; 7 red, 1 green, 9 blue; 1 red
Game 18: 2 blue, 1 green, 1 red; 9 red, 4 green, 2 blue; 3 green, 10 red, 1 blue
Game 19: 1 blue, 5 green, 13 red; 8 green, 15 red, 1 blue; 4 green, 6 red, 1 blue; 2 blue, 3 green; 8 red, 2 blue, 9 green
Game 20: 1 green, 1 blue, 1 red; 7 blue, 2 red; 3 red, 3 blue, 1 green; 2 blue, 2 red
Game 21: 1 blue, 2 red, 13 green; 13 green, 5 blue, 7 red; 4 green, 13 red, 2 blue
Game 22: 7 green, 16 red, 6 blue; 1 red, 5 blue, 10 green; 5 blue, 4 green, 14 red; 6 green, 6 blue; 6 blue, 4 green, 2 red
Game 23: 2 blue, 3 green, 1 red; 2 blue; 3 red, 4 green
Game 24: 10 red, 6 green, 12 blue; 1 red, 13 blue, 1 green; 7 blue, 9 green, 1 red; 7 red, 7 green, 5 blue
Game 25: 13 green, 15 blue, 10 red; 14 green, 6 blue, 1 red; 14 green, 5 red, 15 blue; 7 green, 6 red, 14 blue; 6 red, 2 blue, 17 green; 13 blue, 4 red, 4 green
Game 26: 16 green, 12 blue; 10 blue, 17 green, 3 red; 12 blue, 12 green; 8 blue, 5 green; 1 red, 10 blue, 2 green
Game 27: 12 blue, 4 red; 12 blue, 2 green, 1 red; 16 blue, 4 red, 1 green; 11 blue, 3 red; 1 green, 3 red, 1 blue
Game 28: 16 green, 2 blue, 14 red; 7 blue, 9 red, 8 green; 6 blue, 12 green, 19 red; 9 blue, 10 red, 15 green; 19 red, 7 blue, 10 green; 5 green, 6 red, 3 blue
Game 29: 1 red, 2 green; 11 blue, 5 green, 4 red; 6 red, 6 green, 12 blue; 14 blue, 5 red, 4 green; 5 green, 8 red, 6 blue; 8 blue, 4 red, 4 green
Game 30: 15 red, 2 blue, 6 green; 4 red, 3 green, 2 blue; 9 blue, 3 green, 16 red; 1 green, 11 blue, 13 red
Game 31: 2 blue, 4 green, 3 red; 3 red, 3 blue, 4 green; 1 red, 6 blue; 3 red, 6 blue, 2 green; 3 green, 1 red, 6 blue; 7 green, 1 blue, 2 red
Game 32: 8 green; 3 blue, 14 green; 8 green, 5 blue, 5 red; 6 green, 9 red, 4 blue
Game 33: 6 red, 10 green; 8 green; 2 blue, 13 green; 3 red, 2 blue, 1 green; 2 red, 3 green; 2 red, 12 green, 1 blue
Game 34: 1 blue, 12 red, 1 green; 2 blue, 7 red; 9 blue, 1 red, 1 green
Game 35: 1 blue, 2 green; 3 red, 1 blue; 2 red; 2 green, 5 red; 1 red, 1 green
Game 36: 12 green, 3 blue, 6 red; 15 green, 10 blue, 3 red; 5 red, 9 green, 14 blue
Game 37: 2 red, 13 green, 6 blue; 2 green; 17 green, 9 blue, 4 red; 7 blue, 1 red, 2 green
Game 38: 9 red, 12 blue; 11 blue, 2 red; 5 red; 10 red, 2 blue; 2 blue, 1 green, 13 red
Game 39: 11 green, 8 red, 17 blue; 3 red, 3 green, 7 blue; 12 blue, 13 red, 11 green; 17 blue, 11 green, 9 red; 8 blue, 12 green, 2 red
Game 40: 4 green, 2 red; 5 green, 1 blue, 12 red; 11 red, 2 green; 6 red, 1 green
Game 41: 13 green, 4 red, 1 blue; 9 green, 1 blue, 3 red; 20 red; 3 green, 19 red, 1 blue
Game 42: 3 green, 1 red, 6 blue; 6 green, 7 blue; 1 red, 11 green, 6 blue; 5 green, 9 blue, 7 red
Game 43: 2 blue, 9 green, 9 red; 8 red, 2 green, 10 blue; 15 green, 6 blue; 6 red, 2 blue, 2 green; 2 green, 2 blue, 13 red; 7 green, 6 blue, 6 red
Game 44: 6 blue, 3 green, 3 red; 4 red, 3 blue; 3 red, 4 green
Game 45: 2 red, 19 blue; 3 red, 19 blue, 17 green; 12 red, 8 green, 19 blue; 14 green, 11 red, 1 blue; 10 red, 8 green, 1 blue; 6 red, 1 blue, 19 green
Game 46: 4 red; 8 blue, 3 green; 3 red, 3 green, 1 blue; 4 blue, 2 green, 5 red
Game 47: 5 blue, 9 red, 2 green; 5 blue, 7 green, 6 red; 13 green, 5 blue, 10 red
Game 48: 8 green, 12 blue, 1 red; 8 green, 9 blue, 2 red; 8 blue, 12 green, 3 red; 5 green, 13 blue, 2 red
Game 49: 4 red, 18 blue; 4 blue, 3 red, 2 green; 7 red, 2 green, 10 blue; 1 green, 5 red, 5 blue; 6 blue, 4 red
Game 50: 13 green, 1 blue, 6 red; 1 blue, 1 red, 13 green; 15 green, 2 red; 1 blue, 1 green, 2 red; 5 green, 1 blue, 1 red; 13 green
Game 51: 1 green, 6 red; 1 green, 3 blue, 6 red; 7 red, 3 blue; 3 blue, 9 red; 2 blue, 2 red
Game 52: 2 red, 12 green, 9 blue; 8 green, 2 red, 11 blue; 13 blue, 2 red, 10 green; 5 blue, 2 green
Game 53: 18 red, 13 blue, 3 green; 10 blue, 6 green, 15 red; 7 red, 1 green, 4 blue; 6 blue, 16 red, 10 green
Game 54: 4 blue, 5 green; 4 green, 4 blue, 2 red; 2 red; 4 green, 1 red
Game 55: 7 green, 1 red, 4 blue; 2 green, 7 red, 2 blue; 4 blue, 4 red, 2 green; 3 blue; 5 blue, 6 red, 12 green; 13 green
Game 56: 10 red, 1 green, 6 blue; 1 blue, 4 green; 4 green, 6 blue, 10 red; 7 green, 4 blue; 10 blue, 7 red, 8 green; 7 blue, 1 green
Game 57: 8 blue, 2 red, 7 green; 8 blue, 1 red, 11 green; 7 blue, 1 green, 7 red; 7 red, 14 green, 5 blue; 7 red, 4 green, 8 blue
Game 58: 17 green, 1 red; 7 blue, 2 red, 18 green; 4 red, 15 green, 18 blue
Game 59: 12 green, 6 blue; 10 green, 8 blue, 2 red; 1 red, 11 green, 1 blue; 4 green, 6 blue, 2 red; 5 blue, 1 green, 2 red
Game 60: 4 green, 2 red; 2 blue, 6 green, 5 red; 1 red, 3 green, 1 blue; 6 blue, 3 green
Game 61: 1 red, 1 blue; 5 red, 11 blue, 1 green; 1 red, 13 blue, 1 green
Game 62: 12 green, 5 blue; 1 blue, 5 red, 18 green; 9 green, 2 red, 10 blue; 11 blue, 7 green; 10 green, 4 red, 3 blue
Game 63: 15 red, 1 blue, 10 green; 2 green, 11 blue, 1 red; 4 blue, 2 green, 9 red
Game 64: 11 red, 2 blue; 1 blue, 14 red; 2 green, 2 blue, 12 red; 3 red; 13 red, 1 blue; 1 green, 12 red
Game 65: 10 blue, 1 red; 12 blue, 1 green; 1 green, 3 blue, 1 red
Game 66: 5 green, 14 blue; 6 green, 9 blue, 1 red; 6 green, 2 blue; 5 green
Game 67: 2 blue, 1 red; 3 blue, 1 red; 5 blue, 2 red; 2 red, 7 blue, 2 green; 1 green, 2 blue, 2 red
Game 68: 2 blue, 13 green; 5 green, 1 red; 2 blue, 9 green, 1 red; 18 green, 1 red
Game 69: 15 green, 8 red, 8 blue; 5 red, 11 green, 2 blue; 9 red, 6 blue, 11 green; 6 green, 4 red, 5 blue
Game 70: 4 blue, 2 red; 1 red, 1 green, 1 blue; 5 blue, 1 green, 2 red; 1 blue; 1 red, 1 green; 3 blue
Game 71: 5 red, 2 blue; 1 blue, 4 green; 10 green, 5 red, 2 blue; 2 blue, 6 green, 4 red
Game 72: 9 blue, 1 green; 1 red, 5 blue; 7 blue, 1 red, 11 green; 3 green, 1 red, 11 blue
Game 73: 1 green, 1 red, 10 blue; 12 blue; 2 red, 9 blue
Game 74: 5 blue; 4 blue, 2 red, 8 green; 1 red, 4 blue, 1 green
Game 75: 9 green, 9 blue, 10 red; 8 blue, 17 green, 1 red; 3 blue, 2 red, 4 green; 10 blue, 8 green, 7 red; 7 blue, 10 red, 5 green
Game 76: 11 green, 12 blue, 8 red; 11 red, 11 green, 8 blue; 6 red, 9 blue, 14 green; 14 blue, 12 red, 9 green
Game 77: 1 red, 3 blue, 2 green; 4 green, 5 blue; 1 blue, 1 red; 3 green, 4 blue, 1 red; 5 green, 1 red, 3 blue; 1 red, 2 green
Game 78: 10 blue, 4 green, 12 red; 6 green, 10 red, 10 blue; 14 blue, 3 green, 8 red; 5 red, 6 green; 4 green; 20 blue, 5 red, 5 green
Game 79: 13 green; 15 green, 9 blue, 6 red; 5 red, 10 green, 6 blue; 13 green, 6 red, 4 blue
Game 80: 1 red, 9 blue; 1 green, 10 blue, 3 red; 9 blue, 1 green, 1 red
Game 81: 2 blue, 1 red; 2 blue, 5 green; 2 red, 7 green, 2 blue; 3 blue; 2 green, 2 red; 7 green, 2 blue, 1 red
Game 82: 7 red, 12 blue, 4 green; 9 red, 11 green, 8 blue; 10 blue, 8 red, 9 green; 6 red, 2 blue, 7 green; 12 red, 8 green, 9 blue
Game 83: 14 blue; 10 blue, 3 red, 4 green; 7 blue, 10 green, 2 red; 3 red, 4 blue, 12 green
Game 84: 12 red, 13 blue, 2 green; 11 red, 3 green, 15 blue; 15 red, 4 green, 5 blue; 1 red, 3 green, 11 blue; 3 green, 4 red, 3 blue
Game 85: 8 blue, 1 green, 1 red; 1 red, 8 blue, 4 green; 3 red, 13 blue, 8 green
Game 86: 9 blue, 4 green, 4 red; 4 red, 2 blue, 4 green; 10 red, 2 green; 7 blue, 4 green, 12 red
Game 87: 1 blue, 9 green, 10 red; 1 red, 11 blue, 2 green; 17 blue, 3 red
Game 88: 12 red, 6 green, 9 blue; 18 blue, 17 red, 7 green; 16 red, 6 green; 6 green, 5 red, 12 blue
Game 89: 12 green, 10 blue, 2 red; 4 blue, 15 green, 1 red; 7 green, 11 blue; 12 green, 7 blue, 2 red; 14 blue, 12 green, 2 red
Game 90: 14 blue, 1 red, 3 green; 3 green, 2 blue, 3 red; 1 red, 16 blue; 1 green, 10 blue
Game 91: 11 red, 5 green; 5 red, 5 green, 1 blue; 8 red, 1 blue, 4 green; 1 blue, 3 green, 8 red
Game 92: 19 green, 2 red, 10 blue; 9 blue, 11 green, 4 red; 10 blue, 5 green, 2 red; 3 red, 5 blue, 7 green
Game 93: 1 green, 7 blue, 5 red; 9 green, 6 red, 13 blue; 11 blue, 12 red, 7 green; 1 red, 12 blue, 7 green
Game 94: 4 red, 9 green, 1 blue; 11 green, 11 blue, 4 red; 10 red, 17 blue, 11 green; 5 blue, 12 red, 2 green; 14 blue, 6 green, 5 red; 8 green, 19 blue, 13 red
Game 95: 5 green, 1 blue, 7 red; 3 blue, 14 red, 17 green; 3 blue, 7 red, 9 green; 17 red, 6 green, 1 blue; 17 red, 4 green
Game 96: 3 red, 10 green; 9 green, 11 red; 2 red, 6 green, 2 blue; 1 blue, 9 red, 1 green; 12 red, 1 blue; 4 green, 12 red
Game 97: 3 green, 11 red, 1 blue; 3 green, 13 red, 4 blue; 1 green, 3 blue, 12 red; 4 green, 10 red; 4 blue, 10 green, 12 red
Game 98: 6 blue, 12 red; 17 red, 1 green, 11 blue; 13 blue, 9 red; 9 red, 6 blue, 2 green
Game 99: 15 green, 1 blue, 11 red; 12 green, 12 blue, 14 red; 12 green, 10 blue, 1 red
Game 100: 1 green, 11 red, 4 blue; 4 green, 1 red; 9 red, 2 blue; 5 blue, 11 red, 9 green

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2023/day-02/inputs/sample.txt Normal file
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Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green

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2023/day-02/part_one.zig Normal file
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const std = @import("std");
const common = @import("common.zig");
const data = @embedFile("inputs/puzzle.txt");
const MAX_RED = 12;
const MAX_GREEN = 13;
const MAX_BLUE = 14;
pub fn main() !void {
const stdout = std.io.getStdOut().writer();
const games = try common.parse(data);
defer games.deinit();
var sum: u32 = 0;
games: for (games.items) |game| {
for (game.sets.items) |set| {
for (set.items) |item| {
switch (item.color) {
.red => {
if (item.amount > MAX_RED) {
continue :games;
}
},
.green => {
if (item.amount > MAX_GREEN) {
continue :games;
}
},
.blue => {
if (item.amount > MAX_BLUE) {
continue :games;
}
},
}
}
}
sum += game.id;
}
try stdout.print("{d}\n", .{sum});
}

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2023/day-02/part_two.zig Normal file
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const std = @import("std");
const common = @import("common.zig");
const data = @embedFile("inputs/puzzle.txt");
pub fn main() !void {
const stdout = std.io.getStdOut().writer();
const games = try common.parse(data);
defer games.deinit();
var sum: u32 = 0;
for (games.items) |game| {
var min_red: ?u32 = null;
var min_green: ?u32 = null;
var min_blue: ?u32 = null;
for (game.sets.items) |set| {
for (set.items) |item| {
switch (item.color) {
.red => {
if (min_red == null or min_red.? < item.amount) {
min_red = item.amount;
}
},
.green => {
if (min_green == null or min_green.? < item.amount) {
min_green = item.amount;
}
},
.blue => {
if (min_blue == null or min_blue.? < item.amount) {
min_blue = item.amount;
}
},
}
}
}
const power = min_red.? * min_green.? * min_blue.?;
sum += power;
}
try stdout.print("{d}\n", .{sum});
}

2
README.md
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- [2020](2020/README.md) (20% completed) - [2020](2020/README.md) (20% completed)
- [2021](2021/README.md) (68% completed) - [2021](2021/README.md) (68% completed)
- [2022](2022/README.md) (54% completed) - [2022](2022/README.md) (54% completed)
- [2023](2023/README.md) (2% completed) - [2023](2023/README.md) (8% completed)