Solve day03
Created by voroskoi on December 3, 2022
WC64ZGNE5CFYQR5SLPNMGPQJKTAIYUD4EE4J2MZ74YRCL7RIQNHQC Dependencies
In channels
main
Change contents
Replacement in src/main.zig at line 5 [3.50]
Insertion in src/main.zig at line 10 [3.50]
Insertion in src/main.zig at line 16 [3.50]
File addition: day03.txt
[4.18]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 addition: day03.zig
[3.15]const std = @import("std");const PATH = "import/day03.txt";const ALPHABET_LENGTH = 26;const UPPER_OFFSET = 'A' - ALPHABET_LENGTH;pub fn first(allocator: std.mem.Allocator) !usize {_ = allocator;var prio: usize = 0;var lines = std.mem.tokenize(u8, @embedFile(PATH), "\n");while (lines.next()) |line| {var seen = std.StaticBitSet(2 * 26).initEmpty();const fh = line[0 .. line.len / 2];// std.debug.print("{s}\n", .{fh});for (fh) |ch| {switch (ch) {'a'...'z' => {seen.set(ch - 'a');},'A'...'Z' => {seen.set(ch - UPPER_OFFSET);},else => unreachable,}}const sh = line[line.len / 2 ..];// std.debug.print("{s}\n", .{sh});for (sh) |ch| {switch (ch) {'a'...'z' => {if (seen.isSet(ch - 'a')) {// std.debug.print("match: {c} {d}\n", .{ ch, ch - LOWER_OFFSET + 1 });prio += ch - 'a' + 1;break;}},'A'...'Z' => {if (seen.isSet(ch - UPPER_OFFSET)) {// std.debug.print("match: {c} {d}\n", .{ ch, ch - UPPER_OFFSET + 1 });prio += ch - UPPER_OFFSET + 1;break;}},else => unreachable,}}}return prio;}pub fn second(allocator: std.mem.Allocator) !usize {_ = allocator;var prio: usize = 0;var seen: [3]std.StaticBitSet(2 * ALPHABET_LENGTH) = undefined;var counter: usize = 0;var lines = std.mem.tokenize(u8, @embedFile(PATH), "\n");while (lines.next()) |line| {seen[counter % 3] = std.StaticBitSet(2 * ALPHABET_LENGTH).initEmpty();for (line) |ch| {switch (ch) {// lowercase'a'...'z' => {seen[counter % 3].set(ch - 'a');},// uppercase'A'...'Z' => {seen[counter % 3].set(ch - UPPER_OFFSET);},else => unreachable,}}if (counter % 3 == 2) { // third in the groupseen[0].setIntersection(seen[1]);seen[0].setIntersection(seen[2]);prio += seen[0].findFirstSet().? + 1;}counter += 1;}return prio;}test "day03a" {try std.testing.expectEqual(@as(usize, 7821), try first(std.testing.allocator));}test "day03b" {try std.testing.expectEqual(@as(usize, 2752), try second(std.testing.allocator));}const test_input =\\vJrwpWtwJgWrhcsFMMfFFhFp\\jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL\\PmmdzqPrVvPwwTWBwg\\wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn\\ttgJtRGJQctTZtZT\\CrZsJsPPZsGzwwsLwLmpwMDw;