Add solution for day02
Created by voroskoi on January 9, 2022
CD3QNDB3NQYMOMGANUU5B2XOX2LMII57DQ53Q2HJC5DSM4GCJB3AC Dependencies
In channels
main
Change contents
Insertion in src/main.zig at line 3 [2.50]
File addition: day02.zig
[2.15]const std = @import("std");const path = "../data/day02/input.txt";const intType = u32;fn first() anyerror!intType {const input = @embedFile(path);var commands = std.mem.tokenize(u8, input, "\n");const Position = struct {forward: intType = 0,depth: intType = 0,};var pos: Position = .{};while (commands.next()) |c| {// example: commands = forward 8var comm_parts = std.mem.tokenize(u8, c, " ");const direction = comm_parts.next().?;const value = try std.fmt.parseUnsigned(intType, comm_parts.next().?, 10);if (std.mem.eql(u8, direction, "forward")) {pos.forward += value;}if (std.mem.eql(u8, direction, "down")) {pos.depth += value;}if (std.mem.eql(u8, direction, "up")) {pos.depth -= value;}}return pos.forward * pos.depth;}fn second() anyerror!intType {const input = @embedFile(path);var commands = std.mem.tokenize(u8, input, "\n");const Postition = struct {forward: intType = 0,depth: intType = 0,aim: intType = 0,};var pos: Postition = .{};while (commands.next()) |c| {// example: commands = forward 8var comm_parts = std.mem.tokenize(u8, c, " ");const direction = comm_parts.next().?;const value = try std.fmt.parseUnsigned(intType, comm_parts.next().?, 10);if (std.mem.eql(u8, direction, "forward")) {pos.forward += value;pos.depth += value * pos.aim;}if (std.mem.eql(u8, direction, "down")) {pos.aim += value;}if (std.mem.eql(u8, direction, "up")) {pos.aim -= value;}}return pos.forward * pos.depth;}pub fn main() anyerror!void {var timer = try std.time.Timer.start();_ = try first();const f = timer.lap() / 1000;_ = try second();const s = timer.lap() / 1000;std.debug.print("Day 2 \t\tfirst: {d}µs \t\tsecond: {d}µs\n", .{ f, s });}test "first" {try std.testing.expectEqual(@as(u32, 1893605), try first());}test "second" {try std.testing.expectEqual(@as(u32, 2120734350), try second());}File addition: data
[3.1]File addition: day02
[0.2349]File addition: input.txt
[0.2368]forward 4down 9forward 2forward 2down 7up 2down 9up 8down 7down 9forward 4up 6down 2down 5down 1down 5forward 2up 4forward 2forward 3up 2forward 6up 8forward 8down 8up 8down 7down 2down 9forward 2forward 9down 4forward 8up 6down 3up 9forward 1forward 6up 3forward 8up 9forward 1down 9down 3down 7up 2up 7down 5forward 3down 1up 6down 2forward 4down 6down 8forward 2down 5forward 6down 5down 7forward 8forward 2down 9up 4forward 6forward 4up 6down 9down 7down 9forward 9forward 8down 7up 7forward 9forward 8up 1up 4down 3forward 6up 6down 2up 3down 6down 5forward 8forward 3forward 8down 4down 4down 5forward 6down 5forward 6down 2down 5up 4down 8up 5forward 5forward 6down 9up 5down 2forward 5down 7up 7down 9forward 2down 3down 3forward 8up 5up 1forward 1forward 3down 5forward 8forward 7forward 8down 5down 8up 2forward 8forward 8down 7forward 1forward 7down 6up 4forward 7forward 7down 3up 7forward 2down 7down 4forward 5down 8forward 9down 7forward 5up 6up 6down 8down 3forward 5forward 3down 8up 7forward 8up 6down 2forward 4up 3up 3down 9down 9up 1up 7forward 2down 1forward 9up 7up 6down 2down 3forward 4down 3down 3down 1forward 4forward 8forward 6forward 3up 4up 5up 4forward 1up 3down 9up 6forward 2down 5down 1forward 8forward 2down 6up 5up 3forward 7forward 2forward 7up 9forward 3up 9forward 1down 9forward 9down 3down 3down 2forward 9forward 2up 3forward 3down 7down 3forward 2forward 1forward 6up 9forward 4down 9down 8up 3up 5forward 8down 9forward 5forward 4down 5up 4forward 7forward 3down 9forward 7down 2down 7forward 3up 3forward 7down 9down 4down 8forward 8down 6forward 9forward 4up 9down 9down 6up 7up 2forward 2forward 7down 7forward 9down 6down 2forward 4forward 8down 4forward 4forward 4forward 6up 6down 9down 3down 7up 2up 2forward 4down 4forward 6down 2down 2forward 1down 1forward 7up 5forward 9forward 8down 4forward 8down 5up 4down 8forward 4forward 7down 9down 3forward 6down 6forward 6down 9down 6forward 5forward 5up 9down 9down 9down 1down 5forward 5down 7forward 3down 6forward 5forward 8down 6forward 7down 5forward 4down 4down 9forward 3down 9down 9down 1up 7forward 4up 1up 1forward 1down 9up 8down 8down 3down 7forward 4down 5down 5forward 7forward 7forward 6up 2down 4forward 8forward 3forward 3forward 2forward 4up 9up 1forward 2forward 2forward 6down 9up 8forward 4forward 5forward 4down 4down 8forward 6down 8forward 9forward 8down 1down 2forward 2up 4up 7forward 5down 7down 5down 3up 7down 4forward 8up 8down 1down 2up 6up 8forward 9down 5down 2forward 5forward 4up 6forward 7down 3up 5up 9forward 5forward 1down 6down 7forward 9down 8down 2forward 9forward 2down 3forward 9down 3down 9up 3forward 7up 2up 5forward 3down 9up 1down 2down 4down 6forward 5forward 5up 7up 3down 1down 1up 8down 4forward 1down 4down 5down 9forward 7up 2up 1down 7forward 9forward 9forward 8forward 9down 5forward 9forward 9up 9down 7down 8forward 2forward 9down 1forward 3forward 8up 4down 4forward 4forward 3down 7down 3forward 6forward 9forward 1down 2up 3down 9forward 5forward 6forward 8up 2up 1down 3up 4forward 1up 9forward 4down 1up 2down 8down 9forward 3down 2up 5forward 2down 6down 5down 8down 3down 7down 2forward 8down 9up 7down 7down 7down 7forward 4forward 1forward 9up 9forward 5forward 8forward 7forward 7down 1forward 3down 7forward 2forward 4up 7forward 1down 5forward 5forward 1down 8forward 7forward 2up 3down 1up 7down 1down 2forward 9forward 6forward 3forward 2down 4forward 7forward 7forward 5forward 7forward 2down 9down 8forward 8forward 9down 3up 7up 1down 4forward 2forward 7forward 3forward 9up 2down 3forward 4down 8down 6down 4down 6down 7forward 9down 9forward 8down 1down 1forward 1forward 1down 7down 3down 3forward 2down 7forward 8up 7down 5forward 7forward 9down 2forward 9forward 3forward 9forward 9down 3forward 1forward 7up 8forward 7forward 4forward 5forward 6down 4up 3down 5up 8up 5up 6forward 1down 1up 8down 8down 5forward 8up 9down 8forward 2up 6forward 3down 3down 8down 4forward 6forward 2down 9up 9down 2down 9up 1down 6up 2down 9forward 8forward 3forward 6down 6up 9up 8forward 4down 2forward 5up 4up 4down 5down 9forward 3down 1forward 1forward 6forward 2down 7forward 7up 5forward 2down 8forward 5down 1down 7forward 7down 4forward 7forward 2down 6forward 9forward 4up 3forward 8forward 2up 6up 3forward 9forward 4down 2forward 6down 1forward 5down 2up 1down 1forward 2forward 4down 7up 6forward 4forward 7up 8forward 3down 8forward 7down 2down 5forward 3forward 7down 5forward 2forward 8up 6forward 8down 7up 3down 2forward 2down 8down 2up 5up 1forward 6down 1forward 2down 1forward 6forward 9down 9down 8down 3forward 5forward 3down 3down 1forward 4forward 8forward 2down 7forward 9forward 4down 4forward 6down 4forward 8down 8down 2up 7down 9down 5up 4down 3up 5forward 8down 4down 6forward 1up 2down 6forward 4down 8forward 1up 7forward 6up 2forward 1down 8down 2forward 3down 3down 2up 9down 3down 4down 3forward 9down 6forward 8forward 8down 1forward 8down 5up 9up 5up 5forward 5forward 4down 7down 6forward 9up 4forward 7up 5forward 7down 5down 3forward 5down 8up 3forward 4up 2down 1down 6down 6up 3forward 5forward 8down 2forward 6down 5down 4forward 9down 6forward 6up 5forward 4forward 5forward 1up 6up 2down 8up 4up 2down 3forward 4down 5forward 8up 5forward 6forward 9down 6down 3up 3down 2up 9forward 5up 5forward 3forward 2down 5up 2down 5forward 8forward 2down 1up 2down 6up 8down 3down 2forward 2down 1forward 8forward 2up 6forward 6up 3up 8up 2up 4down 7forward 6down 3down 2forward 5down 7down 6forward 1down 4forward 4up 1down 3up 3down 4forward 1down 2forward 6down 7forward 3forward 1forward 5down 7down 9forward 7forward 2forward 7forward 8down 1down 1up 6forward 2up 7down 9up 4up 9forward 9forward 6down 3down 9forward 1forward 1up 8forward 6forward 1forward 9down 2down 1forward 2forward 9down 9down 6forward 5down 6forward 4down 3forward 1down 4up 5forward 6forward 3down 2up 3down 9down 2forward 1down 4up 2down 6forward 6forward 7forward 3forward 9up 7up 2forward 2up 2forward 1up 2forward 8forward 5down 6up 7down 4down 1up 8forward 1down 3up 8forward 8down 6down 1down 6forward 1forward 7up 3forward 6forward 1up 3down 5down 1forward 5down 5up 7up 3down 6forward 6up 7forward 5forward 2forward 1down 8forward 3down 3forward 5down 4up 4down 8down 7down 7up 9up 2down 4down 1down 4forward 9up 8up 4down 2forward 8forward 1down 2up 5down 3down 8down 8down 6down 5forward 7down 3forward 5down 6down 9down 2forward 8down 4up 2forward 4down 8down 5down 4forward 2up 3forward 4up 3down 8down 2up 8forward 4forward 6down 3forward 9forward 6forward 8forward 5forward 1forward 5down 3up 2forward 4down 4down 3forward 1forward 3forward 7forward 9down 2up 4down 3up 8forward 9down 5up 9down 1up 4forward 7forward 2forward 4up 8down 4down 1forward 8down 4down 7up 1down 3down 2forward 5up 6down 7forward 2Replacement in build.zig at line 4 [2.2055]