Add day2

3 files changed, 1042 insertions, 0 deletions

diff --git a/day2/Cargo.toml b/day2/Cargo.toml
new file mode 100644
index 0000000..8aa34bb
--- /dev/null
+++ b/day2/Cargo.toml
@@ -0,0 +1,8 @@
+[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]
diff --git a/day2/input.txt b/day2/input.txt
new file mode 100644
index 0000000..9e714f9
--- /dev/null
+++ b/day2/input.txt
@@ -0,0 +1,1000 @@
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diff --git a/day2/src/main.rs b/day2/src/main.rs
new file mode 100644
index 0000000..e0153a3
--- /dev/null
+++ b/day2/src/main.rs
@@ -0,0 +1,34 @@
+use std::fs::File;
+use std::io::prelude::*;
+use std::io::BufReader;
+
+fn main() {
+    let file = File::open("input.txt").unwrap();
+    let reader = BufReader::new(&file);
+    let tokens: Vec<String> = reader.lines().map(|x| x.unwrap()).collect::<Vec<String>>();
+    let mut xpos: u32 = 0;
+    let mut ypos: u32 = 0;
+    let mut aim: u32 = 0;
+
+    for line in tokens {
+        let command: Vec<&str> = line.split(" ").collect();
+        let (action, value) = (command[0], command[1].parse::<u32>().unwrap());
+
+        match action {
+            "forward" => {
+                xpos += value;
+                ypos += aim * value;
+            }
+            "down" => {
+                // ypos += value;
+                aim += value;
+            }
+            "up" => {
+                // ypos -= value;
+                aim -= value;
+            }
+            _ => {}
+        }
+    }
+    println!("{}", ypos * xpos);
+}