mattfreire

const std = @import("std");

const Stack = std.ArrayList(u8);

const Operation = struct { from: u8, to: u8, number: u8 };

pub fn create_stacks(allocator: std.mem.Allocator, stack_count: u8, it: *std.mem.SplitBackwardsIterator(u8, .any)) ![]Stack {
    var stacks: []Stack = try allocator.alloc(Stack, stack_count);
    for (stacks, 0..) |_, i| {
        stacks[i] = Stack.init(allocator);

mattfreire

const std = @import("std");

const ElfRange = struct { low: u8, high: u8 };

fn parse_u8(s: []const u8) !u8 {
    const result = try std.fmt.parseInt(u8, s, 10);
    return result;
}

fn parse_range(range: []const u8) !ElfRange {

mattfreire

const std = @import("std");

fn find_common(item: []const u8, allocator: std.mem.Allocator) !u8 {
    // std.debug.print("{c}\n", .{item});
    const half_length = item.len / 2;
    const first_compartment = item[0..half_length];
    const second_compartment = item[half_length..];
    // std.debug.print("{c}\n", .{first_compartment});
    // std.debug.print("{c}\n", .{second_compartment});

mattfreire

const std = @import("std");

const Move = enum { rock, paper, scissors };

const Result = enum { win, draw, loss };

const EncryptionError = error{UnrecognizedInput};

fn decryptMyMove(input: u8) EncryptionError!Move {
    const result: EncryptionError!Move = switch (input) {

mattfreire

const std = @import("std");

pub fn main() !void {
    std.debug.print("Hello World\n", .{});

    const fileName = "day1.txt";
    const file = try std.fs.cwd().openFile(fileName, .{});
    defer file.close();

    var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);