diff --git a/2018/rust/src/bin/day_14.rs b/2018/rust/src/bin/day_14.rs
new file mode 100644
index 0000000..c7afbec
--- /dev/null
+++ b/2018/rust/src/bin/day_14.rs
@@ -0,0 +1,55 @@
+use std::error::Error;
+
+use advent_of_code::main;
+
+main!();
+
+fn solve(_input: &str) -> Result<String, Box<Error>> {
+ let elves = vec![0, 1];
+ let recipes = vec![3, 7];
+ let mut scoreboard = Scoreboard { elves, recipes };
+
+ let n = 919_901;
+ let recipes = scoreboard.find(|x| x.len() > n + 9).unwrap();
+ let score: String = recipes[n..n + 10].iter().map(|&x| x.to_string()).collect();
+
+ Ok(score)
+}
+
+#[derive(Debug)]
+struct Scoreboard {
+ elves: Vec<usize>,
+ recipes: Vec<usize>,
+}
+
+impl Iterator for Scoreboard {
+ type Item = Vec<usize>;
+
+ fn next(&mut self) -> Option<Self::Item> {
+ self.elves
+ .iter()
+ .map(|&x| self.recipes[x])
+ .sum::<usize>()
+ .to_string()
+ .chars()
+ .map(|x| x.to_digit(10).unwrap() as usize)
+ .for_each(|x| self.recipes.push(x));
+ self.elves = self
+ .elves
+ .iter()
+ .map(|&x| (1 + self.recipes[x] + x) % self.recipes.len())
+ .collect();
+
+ Some(self.recipes.clone())
+ }
+}
+
+#[test]
+fn test_scoreboard() {
+ let elves = vec![0, 1];
+ let recipes = vec![3, 7];
+ let mut scoreboard = Scoreboard { elves, recipes };
+
+ let recipes = scoreboard.next().unwrap();
+ assert_eq!(recipes, vec![3, 7, 1, 0]);
+}