Julio Biason 2 years ago
parent
commit
5c53554ee5
  1. 323
      day2/Cargo.lock
  2. 17
      day2/Cargo.toml
  3. 2501
      day2/play.prod
  4. 3
      day2/play.test
  5. 46
      day2/src/step1.rs
  6. 45
      day2/src/step2.rs

323
day2/Cargo.lock generated

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17
day2/Cargo.toml

@ -0,0 +1,17 @@
[package]
name = "day2"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
clap = { version = "4.0.29", features = ["derive"] }
[[bin]]
name = "step1"
path = "src/step1.rs"
[[bin]]
name = "step2"
path = "src/step2.rs"

2501
day2/play.prod

File diff suppressed because it is too large Load Diff

3
day2/play.test

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A Y
B X
C Z

46
day2/src/step1.rs

@ -0,0 +1,46 @@
use std::fs::File;
use std::io::BufRead;
use std::io::BufReader;
use std::path::PathBuf;
use clap::Parser;
#[derive(Parser)]
struct Cli {
filename: PathBuf,
}
fn main() {
let cli = Cli::parse();
let file = File::open(cli.filename).expect("Can't read file");
let reader = BufReader::new(file);
let mut score = 0;
for line in reader.lines() {
let line = line.unwrap();
if line.is_empty() {
continue;
}
let mut play = line.trim().split(" ");
let their_play = play.next().unwrap();
let my_play = play.next().unwrap();
// A/X => Rock
// B/Y => Paper
// C/Z => Scissors
match (their_play, my_play) {
("A", "Y") | ("B", "Z") | ("C", "X") => score += 6, // win
("A", "X") | ("B", "Y") | ("C", "Z") => score += 3, // draw
_ => (), // loss
}
match my_play {
"Z" => score += 3,
"Y" => score += 2,
"X" => score += 1,
_ => (),
}
}
println!("Your score: {}", score);
}

45
day2/src/step2.rs

@ -0,0 +1,45 @@
use std::fs::File;
use std::io::BufRead;
use std::io::BufReader;
use std::path::PathBuf;
use clap::Parser;
#[derive(Parser)]
struct Cli {
filename: PathBuf,
}
fn main() {
let cli = Cli::parse();
let file = File::open(cli.filename).expect("Can't read file");
let reader = BufReader::new(file);
let mut score = 0;
for line in reader.lines() {
let line = line.unwrap();
if line.is_empty() {
continue;
}
let mut play = line.trim().split(' ');
let their_play = play.next().unwrap();
let play_result = play.next().unwrap();
// A = Rock (1), B = Paper (2), C = Scissors (3)
// X = Lose (0), Y = Draw (3), Z = Win (6)
score += match (their_play, play_result) {
("A", "X") => 0 + 3, // they play rock, I lose, I played scissors
("B", "X") => 0 + 1, // they play paper, I lose, I played rock
("C", "X") => 0 + 2, // they play scissors, I lose, I played paper
("A", "Y") => 3 + 1, // they play rock, we draw, I played rock
("B", "Y") => 3 + 2, // they play paper, we draw, I played paper
("C", "Y") => 3 + 3, // they play scissors, we draw, I played scissors
("A", "Z") => 6 + 2, // they play rock, I win, I played paper
("B", "Z") => 6 + 3, // they played paper, I win, I played scissors
("C", "Z") => 6 + 1, // they played sicssors, I win, I played rock
_ => 0,
};
}
println!("Your score; {}", score);
}
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