From 7573a5ecb3efcc690182cfc9a3948e01df7b7442 Mon Sep 17 00:00:00 2001
From: Irene Knapp <ireneista@gmail.com>
Date: Wed, 1 Dec 2021 21:20:09 -0800
Subject: 02

---
 02/Cargo.toml    |   11 +
 02/input         | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 02/src/main.rs   |   70 ++++
 02/tests/main.rs |   17 +
 Cargo.lock       |    8 +
 Cargo.toml       |    1 +
 6 files changed, 1107 insertions(+)
 create mode 100644 02/Cargo.toml
 create mode 100644 02/input
 create mode 100644 02/src/main.rs
 create mode 100644 02/tests/main.rs

diff --git a/02/Cargo.toml b/02/Cargo.toml
new file mode 100644
index 0000000..fea9c0e
--- /dev/null
+++ b/02/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "advent_02"
+version = "0.1.0"
+authors = ["Irene Knapp <ireneista@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+advent_lib = { path = "../lib" }
+
+[dev-dependencies]
+assert_cmd = "0.10"
diff --git a/02/input b/02/input
new file mode 100644
index 0000000..aef25e3
--- /dev/null
+++ b/02/input
@@ -0,0 +1,1000 @@
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diff --git a/02/src/main.rs b/02/src/main.rs
new file mode 100644
index 0000000..92ba083
--- /dev/null
+++ b/02/src/main.rs
@@ -0,0 +1,70 @@
+use advent_lib::prelude::*;
+
+
+fn main() -> Result<()> {
+  let mut args = std::env::args();
+  if args.len() != 2 {
+    eprintln!("Usage: advent input");
+  }
+  let _ = args.next();
+  let filename = args.next().unwrap();
+
+  let input = advent_lib::read_lines_file(&filename)?;
+
+  {
+    let mut depth = 0;
+    let mut horizontal = 0;
+
+    for line in &input {
+      let mut words = line.split(' ');
+      let command = words.next().unwrap();
+      let parameter = words.next().unwrap().parse::<i64>().unwrap();
+
+      match command {
+        "forward" => {
+          horizontal += parameter;
+        },
+        "down" => {
+          depth += parameter;
+        },
+        "up" => {
+          depth -= parameter;
+        },
+        _ => { },
+      }
+    }
+
+    println!("{}", horizontal * depth);
+  }
+
+  {
+    let mut aim = 0;
+    let mut depth = 0;
+    let mut horizontal = 0;
+
+    for line in &input {
+      let mut words = line.split(' ');
+      let command = words.next().unwrap();
+      let parameter = words.next().unwrap().parse::<i64>().unwrap();
+
+      match command {
+        "forward" => {
+          horizontal += parameter;
+          depth += aim * parameter;
+        },
+        "down" => {
+          aim += parameter;
+        },
+        "up" => {
+          aim -= parameter;
+        },
+        _ => { },
+      }
+    }
+
+    println!("{}", horizontal * depth);
+  }
+
+  Ok(())
+}
+
diff --git a/02/tests/main.rs b/02/tests/main.rs
new file mode 100644
index 0000000..b74d88d
--- /dev/null
+++ b/02/tests/main.rs
@@ -0,0 +1,17 @@
+use assert_cmd::prelude::*;
+//use predicates::prelude::*;
+use std::process::Command;
+
+
+#[test]
+fn personal_input() -> Result<(), Box<dyn std::error::Error>> {
+  let mut command = Command::cargo_bin("advent_02")?;
+
+  command.arg("input");
+  command.assert().success().stdout(
+      "1813801\n\
+      1960569556\n");
+
+  Ok(())
+}
+
diff --git a/Cargo.lock b/Cargo.lock
index adab73f..0f0320a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,14 @@ dependencies = [
  "assert_cmd",
 ]
 
+[[package]]
+name = "advent_02"
+version = "0.1.0"
+dependencies = [
+ "advent_lib",
+ "assert_cmd",
+]
+
 [[package]]
 name = "advent_lib"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index 2446b10..1caad48 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,4 +2,5 @@
 members = [
   "lib",
   "01",
+  "02",
 ]
-- 
cgit 1.4.1