1 files changed, 0 insertions, 71 deletions
diff --git a/2024/07/rust/src/main.rs b/2024/07/rust/src/main.rs
deleted file mode 100644
index df586b1..0000000
--- a/2024/07/rust/src/main.rs
+++ /dev/null
@@ -1,71 +0,0 @@
-use std::io;
-
-fn main() -> io::Result<()> {
-    let eqns = io::stdin()
-        .lines()
-        .flatten()
-        .collect::<Vec<_>>()
-        .iter()
-        .map(|line| line.split_once(": ").unwrap())
-        .map(|(ans, nums)| {
-            (
-                ans.parse::<u64>().unwrap(),
-                nums.split_whitespace()
-                    .map(|s| s.parse::<u64>().unwrap())
-                    .collect::<Vec<_>>(),
-            )
-        })
-        .collect::<Vec<_>>();
-
-    let silver: u64 = eqns.iter().map(crate::silver).sum();
-    let gold: u64 = eqns.iter().map(crate::gold).sum();
-
-    println!("silver: {silver}");
-    println!("gold: {gold}");
-
-    return Ok(());
-}
-
-fn concat(x: &u64, y: &u64) -> u64 {
-    x * (10u64.pow(y.ilog10() + 1)) + y
-}
-
-fn calibration(want: u64, x: &u64, y: &u64, rest: &[u64], gold: bool) -> bool {
-    if *x > want {
-        return false;
-    }
-    match rest {
-        [] => want == x + y || want == x * y || (gold && want == concat(x, y)),
-        [z, rest @ ..] => {
-            calibration(want, &(x + y), z, rest, gold)
-                || calibration(want, &(x * y), z, rest, gold)
-                || (gold && calibration(want, &concat(x, y), z, rest, gold))
-        }
-    }
-}
-
-fn silver((want, nums): &(u64, Vec<u64>)) -> u64 {
-    match nums.as_slice() {
-        [x, y, rest @ ..] => {
-            if calibration(*want, x, y, rest, false) {
-                *want
-            } else {
-                0
-            }
-        }
-        _ => 0,
-    }
-}
-
-fn gold((want, nums): &(u64, Vec<u64>)) -> u64 {
-    match nums.as_slice() {
-        [x, y, rest @ ..] => {
-            if calibration(*want, x, y, rest, true) {
-                *want
-            } else {
-                0
-            }
-        }
-        _ => 0,
-    }
-}