src/days.rs

@@ -16,7 +16,7 @@ pub mod d15;
 pub mod d16;
 pub mod d17;
 pub mod d18;
-pub mod d19;
+// pub mod d19;
 // pub mod d20;
 // pub mod d21;
 // pub mod d22;

src/days/d19.rs

@@ -1,42 +0,0 @@
-use crate::prelude::*;
-
-pub type I = u32;
-pub type O = u32;
-
-fn _silver (data: I) -> O {
-    2 * (data - (1 << (32 - data.leading_zeros() - 1))) + 1
-}
-
-fn _gold (data: I) -> O {
-    let mut left = D::from_iter(0..data/2);
-    let mut right = D::from_iter(data/2..data);
-
-    while !left.is_empty() && !right.is_empty() {
-        if left.len() > right.len() {
-            left.pop_back();
-        } else {
-            right.pop_back();
-        }
-        right.push_front(left.pop_front().unwrap());
-        left.push_back(right.pop_back().unwrap());
-    }
-
-    left[0] + 1
-}
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn silver () {
-        let ans = _silver(3005290);
-        assert_eq!(ans, 1816277)
-    }
-
-    #[test]
-    fn gold () {
-        let ans = _gold(3005290);
-        assert_eq!(ans, 1410967)
-    }
-}