Advent of Code 2024 - Day 1 & 2

advent_of_code_2024/src/day1/part1.rs

@@ -0,0 +1,26 @@
+
+pub fn solve(input: &String) {
+    let all_numbers = input.split_whitespace()
+                           .filter(|str| !str.is_empty())
+                           .map(|str| str.parse::<i32>().unwrap())
+                           .collect::<Vec<_>>();
+
+    let mut left = Vec::new();
+    let mut right = Vec::new();
+
+    for idx in (0..all_numbers.len()).step_by(2) {
+        left.push(all_numbers[idx]);
+        right.push(all_numbers[idx + 1]);
+    }
+
+    left.sort();
+    right.sort();
+
+    let mut sum_of_distances = 0;
+
+    for idx in 0..left.len() {
+        sum_of_distances += (left[idx] - right[idx]).abs();
+    }
+
+    println!("sum of distances: {}", sum_of_distances);
+}