first

src/day_1_1.rs

@@ -0,0 +1,26 @@
+use std::env;
+use std::fs;
+use std::path::Iter;
+
+pub fn solve_day_1_1() {
+    // --snip--
+    let file_path = "/home/clement/RustroverProjects/advent_of_code/src/inputs/input_1.txt";
+    println!("In file {file_path}");
+
+    let (mut l_list, mut r_list) : (Vec<i32>, Vec<i32>) = fs::read_to_string(file_path)
+        .expect("Should have been able to read the file")
+        .split('\n')
+        .map(|s|{
+            let mut splited = s.split_whitespace();
+            (
+                splited.next().unwrap().parse::<i32>().unwrap(),
+                splited.next().unwrap().parse::<i32>().unwrap()
+            )
+        }).unzip();
+
+    l_list.sort();
+    r_list.sort();
+    let ans = l_list.iter().zip(r_list.iter()).map(|(l, r)| (l - r).abs()).sum::<i32>();
+    println!("{}", ans);
+
+}

src/day_1_2.rs

@@ -0,0 +1,22 @@
+use std::env;
+use std::fs;
+use std::path::Iter;
+
+pub fn solve_day_1_2() {
+    // --snip--
+    let file_path = "/home/clement/RustroverProjects/advent_of_code/src/inputs/input_1.txt";
+    println!("In file {file_path}");
+
+    let (mut l_list, mut r_list) : (Vec<i32>, Vec<i32>) = fs::read_to_string(file_path)
+        .expect("Should have been able to read the file")
+        .split('\n')
+        .map(|s|{
+            let mut splited = s.split_whitespace();
+            (
+                splited.next().unwrap().parse::<i32>().unwrap(),
+                splited.next().unwrap().parse::<i32>().unwrap()
+            )
+        }).unzip();
+
+    l_list.sort();
+}

src/main.rs

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+mod day_1_1;
+mod day_1_2;
+
+use crate::day_1_1::solve_day_1_1;
+
+fn main() {
+    println!("Hello, world!");
+    // solve_day_1_1();
+}