Added 1 and 2

december_1_1/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "december_1_1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

december_1_1/src/main.rs

@@ -0,0 +1,21 @@
+use std::fs::File;
+use std::io::{BufReader};
+use std::io::prelude::*;
+
+fn main(){
+    let file = File::open("./input.txt").expect("Read failed");
+    let reader = BufReader::new(file);
+    let mut previous_value: i32 = -1;
+    let mut number_of_bigger_values: i32 = 0;
+    for line in reader.lines(){
+        let current_value = line.expect("-1").parse::<i32>().unwrap();
+        if previous_value != -1 && current_value > previous_value {
+            number_of_bigger_values += 1;
+        }
+        previous_value = current_value;
+    }
+    println!("Bigger values: {}", number_of_bigger_values)
+
+
+
+}

december_1_2/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "december_1_2"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

december_1_2/src/main.rs

@@ -0,0 +1,34 @@
+use std::fs::File;
+use std::io::{BufReader};
+use std::io::prelude::*;
+
+fn main(){
+    let file = File::open("./input.txt").expect("Read failed");
+    let reader = BufReader::new(file);
+    let mut number_of_bigger_values: i32 = 0;
+    let mut previous_sum = -1;
+    let mut values: Vec<i32> = Vec::new();
+
+    let all_lines = reader.lines();
+
+
+    for line in all_lines{
+        values.push(line.expect("-1").parse::<i32>().unwrap());
+    }
+
+    for x in 2..values.len(){
+        println!("{}", x);
+        let sum = values[x] + values[x-1] + values[x-2];
+        if previous_sum != -1 && sum > previous_sum {
+            number_of_bigger_values += 1;
+        }
+        previous_sum = sum;
+    }
+
+
+
+    println!("Bigger values: {}", number_of_bigger_values)
+
+
+
+}

december_2_1/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "december_2_1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

december_2_1/src/main.rs

@@ -0,0 +1,35 @@
+use std::fs::File;
+use std::io::{BufReader};
+use std::io::prelude::*;
+
+fn main(){
+    let file = File::open("./input.txt").expect("Read failed");
+    let reader = BufReader::new(file);
+
+    let mut current_depth = 0;
+    let mut current_horizontal = 0;
+
+    let all_lines = reader.lines();
+
+
+    for line in all_lines{
+        let line_as_string = line.unwrap();
+        let split_line = line_as_string.split_whitespace().collect::<Vec<&str>>();
+        let direction = split_line[0];
+        let distance = split_line[1].parse::<i32>().unwrap();
+
+        match direction {
+            "forward" => current_horizontal += distance,
+            "down" => current_depth += distance,
+            "up" => current_depth -= distance,
+            _ => println!("You should never be here")
+        }
+    }
+
+
+
+    println!("Depth: {}, Horizontal: {}, Result: {}", current_depth, current_horizontal, current_horizontal*current_depth)
+
+
+
+}

december_2_2/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "december_2_2"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

december_2_2/src/main.rs

@@ -0,0 +1,39 @@
+use std::fs::File;
+use std::io::{BufReader};
+use std::io::prelude::*;
+
+fn main(){
+    let file = File::open("./input.txt").expect("Read failed");
+    let reader = BufReader::new(file);
+
+    let mut current_depth = 0;
+    let mut current_horizontal = 0;
+    let mut aim = 0;
+
+    let all_lines = reader.lines();
+
+
+    for line in all_lines{
+        let line_as_string = line.unwrap();
+        let split_line = line_as_string.split_whitespace().collect::<Vec<&str>>();
+        let direction = split_line[0];
+        let distance = split_line[1].parse::<i32>().unwrap();
+
+        match direction {
+            "down" => aim += distance,
+            "up" => aim -= distance,
+            "forward" => {
+                current_horizontal += distance;
+                current_depth += aim * distance;
+            }
+            _ => println!("You should never be here")
+        }
+    }
+
+
+
+    println!("Depth: {}, Horizontal: {}, Result: {}", current_depth, current_horizontal, current_horizontal*current_depth)
+
+
+
+}