From 3b7d3c5462f125854bf096bc968f15e8d89f30ed Mon Sep 17 00:00:00 2001
From: LongHairedHacker <sebastian@sebastians-site.de>
Date: Thu, 2 Dec 2021 20:14:30 +0100
Subject: [PATCH] Day 2 working

---
 inputs/day2.txt | 1000 +++++++++++++++++++++++++++++++++++++++++++++++
 src/bin/day2.rs |   44 +++
 2 files changed, 1044 insertions(+)
 create mode 100644 inputs/day2.txt
 create mode 100644 src/bin/day2.rs

diff --git a/inputs/day2.txt b/inputs/day2.txt
new file mode 100644
index 0000000..3feb052
--- /dev/null
+++ b/inputs/day2.txt
@@ -0,0 +1,1000 @@
+forward 2
+forward 3
+forward 5
+forward 6
+down 7
+forward 8
+forward 4
+forward 7
+forward 5
+forward 5
+down 4
+down 9
+forward 8
+forward 5
+up 5
+down 5
+forward 3
+down 4
+down 8
+forward 9
+down 1
+up 9
+down 7
+up 7
+up 1
+forward 1
+down 1
+down 4
+down 4
+down 8
+down 4
+up 3
+down 1
+down 3
+forward 7
+down 6
+forward 3
+forward 5
+forward 2
+up 9
+forward 7
+up 5
+down 3
+forward 1
+forward 2
+down 3
+down 8
+down 3
+forward 8
+up 5
+down 5
+forward 3
+down 5
+forward 9
+down 3
+down 4
+down 9
+down 7
+up 3
+down 9
+up 9
+up 1
+forward 3
+up 4
+down 3
+forward 7
+forward 7
+up 7
+forward 6
+down 7
+down 6
+forward 2
+forward 9
+down 5
+forward 4
+up 6
+down 1
+down 9
+down 9
+forward 4
+down 1
+forward 6
+down 1
+down 5
+down 4
+down 4
+forward 4
+forward 9
+up 1
+down 2
+down 8
+down 5
+down 8
+down 8
+up 2
+forward 8
+up 1
+forward 4
+down 5
+down 1
+up 2
+forward 6
+forward 9
+forward 2
+forward 6
+forward 9
+up 6
+forward 9
+up 4
+down 7
+up 6
+forward 2
+down 1
+up 3
+forward 1
+forward 8
+down 6
+down 8
+down 8
+forward 8
+forward 2
+forward 2
+down 2
+up 1
+down 9
+up 9
+down 9
+up 3
+forward 9
+up 4
+up 7
+up 6
+down 9
+forward 1
+down 3
+down 4
+forward 8
+down 3
+down 9
+up 3
+forward 2
+up 5
+down 3
+forward 8
+up 3
+down 3
+forward 2
+forward 9
+down 1
+down 9
+down 4
+up 7
+down 4
+up 6
+forward 5
+down 6
+forward 3
+down 2
+forward 1
+forward 8
+down 4
+forward 1
+up 7
+forward 6
+up 9
+forward 6
+down 3
+forward 2
+down 4
+forward 6
+down 3
+down 6
+down 1
+down 1
+down 5
+forward 3
+forward 9
+forward 8
+down 3
+forward 7
+up 9
+forward 9
+up 2
+forward 4
+up 3
+forward 1
+up 6
+up 8
+down 5
+down 6
+up 9
+down 6
+down 9
+up 9
+down 4
+forward 5
+up 2
+down 3
+up 3
+down 1
+forward 3
+down 5
+forward 7
+down 6
+down 7
+down 5
+forward 2
+up 6
+down 9
+down 4
+down 3
+forward 9
+up 8
+forward 2
+down 2
+forward 4
+up 6
+down 4
+up 8
+down 7
+down 2
+up 6
+up 4
+down 2
+forward 5
+up 4
+down 8
+forward 3
+forward 1
+down 7
+forward 8
+forward 7
+down 7
+up 4
+forward 8
+down 5
+up 9
+forward 1
+forward 4
+forward 9
+forward 7
+down 9
+up 9
+down 1
+down 7
+forward 7
+down 7
+down 7
+down 3
+down 5
+forward 3
+down 2
+forward 6
+down 9
+up 5
+up 3
+forward 5
+down 6
+down 1
+forward 4
+down 3
+forward 8
+down 7
+forward 7
+forward 7
+up 7
+up 2
+up 3
+forward 9
+down 5
+up 2
+forward 5
+up 5
+forward 2
+forward 2
+down 8
+forward 2
+up 4
+forward 1
+forward 3
+up 8
+up 9
+forward 5
+down 1
+up 8
+down 4
+down 8
+up 4
+forward 9
+down 6
+down 8
+up 2
+up 3
+down 7
+down 4
+forward 5
+down 6
+forward 3
+forward 3
+forward 8
+down 1
+down 7
+down 9
+down 2
+down 7
+forward 7
+down 7
+down 6
+up 6
+forward 8
+forward 5
+up 5
+down 2
+up 8
+up 4
+down 9
+up 2
+forward 5
+up 2
+down 4
+up 4
+forward 2
+forward 4
+forward 9
+forward 9
+up 4
+up 5
+down 1
+down 6
+down 1
+down 4
+down 5
+down 3
+forward 3
+down 9
+forward 6
+down 3
+down 9
+down 2
+up 2
+down 2
+down 7
+forward 9
+down 3
+down 3
+down 2
+down 3
+forward 2
+down 9
+down 9
+up 5
+up 3
+forward 4
+up 7
+forward 8
+up 6
+forward 7
+down 7
+down 1
+forward 5
+down 2
+up 1
+down 8
+up 3
+forward 2
+up 9
+down 1
+down 3
+down 6
+down 2
+down 7
+up 2
+forward 5
+forward 7
+down 2
+forward 5
+forward 4
+forward 5
+down 3
+forward 7
+down 7
+forward 8
+down 3
+down 2
+up 1
+forward 6
+down 4
+down 2
+forward 7
+up 3
+down 4
+forward 2
+up 6
+down 3
+up 6
+up 8
+down 9
+up 6
+forward 8
+forward 9
+forward 4
+forward 7
+down 2
+forward 9
+down 7
+up 9
+down 5
+down 6
+up 5
+down 4
+forward 8
+forward 4
+forward 4
+down 6
+forward 3
+forward 6
+down 9
+down 9
+up 2
+forward 7
+down 8
+down 9
+down 9
+forward 7
+forward 3
+down 7
+down 8
+forward 8
+down 6
+down 5
+down 9
+down 3
+forward 1
+down 5
+forward 2
+forward 8
+down 2
+forward 6
+forward 3
+down 7
+down 4
+forward 8
+forward 1
+down 6
+forward 9
+forward 6
+up 1
+up 3
+down 8
+forward 1
+up 5
+down 4
+forward 7
+up 3
+down 2
+forward 1
+forward 9
+down 9
+down 7
+forward 8
+down 4
+up 3
+down 4
+forward 2
+forward 6
+down 7
+forward 6
+down 6
+down 4
+down 1
+up 9
+down 4
+down 7
+up 4
+down 9
+forward 6
+down 3
+forward 2
+down 4
+forward 3
+down 5
+up 9
+forward 8
+up 7
+up 6
+up 4
+forward 1
+down 1
+forward 4
+up 6
+forward 5
+forward 4
+forward 5
+up 6
+down 1
+forward 3
+up 7
+down 9
+up 9
+down 5
+forward 6
+forward 4
+up 1
+down 4
+up 1
+forward 3
+forward 1
+down 3
+forward 7
+down 2
+forward 3
+up 2
+forward 8
+down 3
+up 9
+down 5
+forward 6
+down 1
+down 8
+down 5
+forward 1
+down 6
+up 2
+forward 6
+down 2
+down 1
+up 6
+up 7
+down 5
+forward 7
+forward 6
+forward 6
+down 7
+forward 4
+down 5
+up 5
+down 1
+up 8
+down 8
+down 2
+down 2
+down 9
+up 9
+forward 2
+forward 7
+down 7
+down 4
+down 4
+down 8
+forward 5
+forward 2
+up 9
+down 9
+forward 7
+up 9
+down 2
+down 7
+up 2
+up 8
+forward 8
+down 4
+forward 3
+forward 4
+forward 6
+forward 2
+down 1
+down 2
+forward 2
+up 1
+down 1
+forward 5
+up 3
+up 3
+down 3
+down 1
+down 4
+up 5
+up 6
+forward 5
+up 7
+forward 6
+down 4
+down 7
+up 8
+forward 1
+down 5
+up 4
+up 3
+up 5
+down 1
+up 5
+forward 3
+up 5
+forward 2
+forward 2
+forward 5
+forward 2
+up 9
+forward 4
+down 1
+down 3
+down 5
+up 2
+down 8
+forward 8
+forward 9
+down 1
+down 3
+forward 8
+forward 2
+down 2
+down 1
+up 7
+forward 2
+forward 8
+down 9
+forward 1
+forward 4
+down 7
+down 4
+up 7
+down 3
+down 1
+down 4
+up 7
+down 6
+forward 7
+down 8
+up 2
+up 4
+up 6
+down 9
+down 9
+down 8
+forward 6
+up 3
+up 1
+forward 9
+forward 6
+up 4
+up 2
+up 7
+forward 5
+up 9
+up 9
+forward 9
+up 6
+down 1
+down 3
+forward 3
+down 2
+down 2
+down 6
+down 9
+forward 3
+forward 7
+up 3
+forward 3
+down 5
+forward 9
+up 6
+down 2
+forward 8
+down 3
+up 5
+down 6
+forward 9
+down 5
+down 2
+down 6
+forward 8
+forward 6
+down 1
+forward 6
+up 1
+up 7
+down 4
+down 7
+forward 4
+forward 7
+down 4
+forward 8
+down 8
+down 7
+forward 9
+down 1
+down 3
+down 6
+forward 7
+forward 6
+forward 3
+forward 8
+down 5
+down 3
+up 1
+down 9
+down 8
+forward 3
+down 6
+down 1
+forward 5
+forward 5
+forward 9
+up 5
+down 6
+up 9
+down 7
+down 6
+up 1
+forward 5
+forward 7
+forward 8
+forward 7
+forward 6
+forward 3
+forward 1
+forward 2
+up 4
+forward 3
+forward 4
+forward 5
+up 2
+up 3
+forward 4
+down 9
+up 4
+forward 7
+down 6
+down 6
+down 1
+forward 2
+down 2
+forward 2
+down 3
+forward 7
+forward 8
+down 4
+up 7
+forward 7
+down 7
+forward 7
+forward 9
+down 7
+up 2
+down 3
+forward 7
+down 1
+forward 8
+forward 2
+up 9
+down 3
+forward 2
+up 4
+forward 9
+down 4
+down 4
+forward 4
+down 2
+down 9
+forward 4
+down 2
+down 6
+forward 9
+forward 2
+up 1
+forward 2
+forward 3
+down 5
+up 8
+down 4
+down 4
+forward 7
+down 2
+up 6
+down 9
+forward 9
+up 1
+forward 3
+down 5
+forward 3
+down 3
+forward 4
+up 3
+down 6
+down 7
+down 4
+down 8
+down 4
+down 5
+up 9
+up 1
+down 7
+up 3
+up 3
+down 3
+up 4
+up 6
+forward 8
+down 1
+forward 7
+forward 4
+down 9
+down 1
+forward 7
+forward 9
+forward 1
+down 3
+down 2
+forward 3
+forward 2
+down 7
+forward 9
+forward 6
+up 9
+down 2
+forward 9
+up 6
+forward 8
+up 1
+down 5
+down 8
+forward 1
+down 1
+forward 9
+up 1
+forward 9
+forward 1
+forward 1
+down 7
+forward 3
+forward 6
+down 5
+forward 7
+forward 1
+down 7
+down 6
+down 6
+forward 5
+up 6
+down 6
+forward 8
+up 2
+down 8
+down 3
+up 5
+up 8
+down 6
+forward 4
+forward 2
+up 3
+forward 5
+forward 3
+up 8
+forward 6
+up 8
+forward 1
+up 8
+up 7
+up 6
+forward 2
+down 9
+down 9
+forward 3
+down 7
+forward 3
+down 6
+forward 9
+up 5
+down 1
+forward 7
+down 1
+down 5
+down 9
+forward 8
+forward 9
+forward 7
+down 9
+up 4
+forward 5
+down 5
+forward 5
+down 9
+forward 9
+forward 3
+up 5
+forward 8
+up 5
+down 1
+forward 8
+down 3
+forward 6
+up 9
+forward 8
+down 4
+forward 3
+down 5
+forward 8
+forward 9
+forward 2
+down 1
+down 6
+down 4
+forward 9
+up 2
+down 3
+down 6
+down 3
+down 9
+down 1
+up 6
+down 2
+down 7
+up 5
+forward 5
+up 1
+down 7
+forward 6
+up 6
+down 2
+down 3
+forward 3
+down 5
+forward 8
+down 9
+down 7
+down 8
+up 7
+down 1
+forward 1
+forward 1
+down 2
+up 4
+forward 2
+down 3
+up 2
+down 3
+down 2
+forward 7
+down 1
+up 7
+down 2
+down 1
+forward 6
+down 9
+up 9
+down 4
+down 6
+up 9
+forward 7
+forward 9
+forward 7
+down 4
+down 1
+forward 7
+down 4
+down 7
+down 3
+down 5
+forward 3
+down 8
+forward 8
+forward 7
+forward 8
+down 4
+down 9
+forward 2
+forward 7
+up 8
+forward 4
+down 6
+up 8
+down 2
+forward 3
+down 6
+down 8
+forward 8
+forward 2
+forward 9
+up 6
+forward 7
+down 3
+down 5
+forward 8
+forward 9
+down 3
+forward 3
+forward 2
+forward 3
+down 8
+up 9
+up 5
+up 2
+up 6
+up 1
+up 1
+up 5
+forward 3
+forward 2
+down 3
+forward 4
diff --git a/src/bin/day2.rs b/src/bin/day2.rs
new file mode 100644
index 0000000..82d1af7
--- /dev/null
+++ b/src/bin/day2.rs
@@ -0,0 +1,44 @@
+use std::error::Error;
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::vec::Vec;
+
+fn to_moves(line: String) -> (i32, i32) {
+    let mut parts = line.split(" ");
+    let dir = parts.nth(0).unwrap();
+    let arg: i32 = parts.nth(0).unwrap().parse().unwrap();
+
+    match dir {
+        "up" => (0, -arg),
+        "down" => (0, arg),
+        "forward" => (arg, 0),
+        _ => panic!("Unsupported Direction: {}", dir),
+    }
+}
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let file = File::open("inputs/day2.txt")?;
+    let lines = io::BufReader::new(file).lines().map(|l| l.unwrap());
+
+    let moves: Vec<(i32, i32)> = lines.map(|l| to_moves(l)).collect();
+    let pos = moves
+        .iter()
+        .fold((0, 0), |(ax, ay), (bx, by)| (ax + bx, ay + by));
+
+    println!("Answer1: {}", pos.0 * pos.1);
+
+    let mut aim = 0;
+    let mut pos = (0, 0);
+    for m in moves.iter() {
+        aim = aim + m.1;
+        println!("{} {}", m.0, m.1);
+
+            pos = (pos.0 + m.0, pos.1 + m.0 * aim);
+            println!("{} {}", pos.0, pos.1);
+        
+    }
+
+    println!("Answer2: {}", pos.0 * pos.1);
+
+    Ok(())
+}