svantelidman

//
//  TBD
//

svantelidman

use std::io::{BufReader, BufRead};
use std::fs::File;
use std::collections::HashMap;


struct Machine {
    prog_ptr: i64,
    relative_base: i64,
    program: Vec<i64>,
    input: Vec<i64>,

svantelidman

use std::io::{BufReader, BufRead};
use std::fs::File;
use std::collections::HashMap;


struct Machine {
    prog_ptr: i64,
    relative_base: i64,
    program: Vec<i64>,
    input: Vec<i64>,

svantelidman

//
//  Part 2 is pure brute force. Compiled in release mode it still takes
//  about 1 hour or so to get to the answer. There is of course a better way
//  to do it which could be looked at later, time permitting.
//

use std::collections::HashMap;

fn main() {
    let prod =

svantelidman

use std::io::{BufReader, BufRead};
use std::fs::File;
use std::collections::HashMap;


struct Machine {
    prog_ptr: i64,
    relative_base: i64,
    program: Vec<i64>,
    input: Vec<i64>,

svantelidman

//
//  It was maybe not such a great idea (code-length wise) to represent
//  MoonSystem, Moon, Coordinates and so on with explicit structs. Could probably be done
//  in 1/4 of the lines with Vecs.
//

use std::collections::HashSet;

fn main() {
    let mut moons = MoonSystem {

svantelidman

use std::io::{BufReader, BufRead};
use std::fs::File;
use std::collections::HashMap;


struct Machine {
    prog_ptr: i64,
    relative_base: i64,
    program: Vec<i64>,
    input: Vec<i64>,

svantelidman

// This should be revised. It is super-ineffcient as it stands although it provides the correct answer in < 4 sec.
// Maybe later wehen there is not a christmas party the same day.

use std::io::{BufReader, BufRead};
use std::env;
use std::fs::File;

fn main() {
    let belt_size: usize = 21;
    let args: Vec<String> = env::args().collect();

svantelidman

use std::io::{BufReader, BufRead};
use std::fs::File;

fn main() {
    let program_file = "prog".to_string();
    let program: Vec<i64> = load_program(&program_file);
    let mut machine = Machine {
        prog_ptr: 0,
        relative_base: 0,

svantelidman

const INPUT: &str = "2222220220222222222220222222221221222222122221222220222122222022222222212221222210222222222020222202222222222220202222220022222222222222002222222022202222222220222222222221222222220220222222022222222221222122222022222222002221222220222222222222222222222222222222222222222222222222222222012222222222220222222220222222122221222220221222222222122221222222222122222022222222202221222212222222222220222222222222222221102222220222222222222222212222222222202222220221222222022222222222220221222222122221222221222022222022222222002222222200222222222221222222222222222220102222222122222222222222102222222122211222222221222222122222222222220222222222022221202222222122222122222222002222222201222222222222222212222222222222122222220222222222222222022222222222221222221220222222122222222221221221222222122222222222222122222222222222122222222222222222222221222212222222222221022222221122222222222222112222222022201222220222222222222222222222222220222222122220212221222022222022222222002222222202222222222021222202222