1 files changed, 0 insertions, 53 deletions
diff --git a/2015/rs/src/nine.rs b/2015/rs/src/nine.rs
deleted file mode 100644
index bc716c2..0000000
--- a/2015/rs/src/nine.rs
+++ /dev/null
@@ -1,53 +0,0 @@
-#![feature(iter_next_chunk)]
-
-use std::collections::{HashSet, HashMap};
-use std::io::Write;
-
-static INPUT: &'static str = include_str!("nine.txt");
-
-fn main() {
-  let valueified = INPUT.split('\n').filter(|s| !s.is_empty())
-    .flat_map(|s| {
-      let [rhs, dist] = s.split(" = ").next_chunk::<2>().unwrap();
-      let [from, to] = rhs.split(" to ").next_chunk::<2>().unwrap();
-      let dist = dist.parse::<usize>().unwrap();
-      [(from, to, dist), (to, from, dist)]
-    });
-
-  let paths: HashMap<&'static str, Vec<(&'static str, usize)>> = valueified
-    .map(|(a,b,c)| (a, (b, c)))
-    .fold(HashMap::new(), |mut map, (k, v)| {map.entry(k).or_default().push(v); map});
-  let mut path = Vec::new();
-  let mut bestpath = Vec::new();
-  let mut bestdist = usize::MAX;
-  let mut worstpath = Vec::new();
-  let mut worstdist = 0;
-  for start in paths.keys() {
-    path.clear();
-    path.push(*start);
-    walk_steps(&mut path, 0, &mut bestpath, &mut bestdist, &mut worstpath, &mut worstdist, &paths);
-  }
-  println!("Best route: {} with dist = {bestdist}", bestpath.join(" => "));
-  println!("Worst route: {} with dist = {worstdist}", worstpath.join(" => "));
-}
-
-fn walk_steps(path: &mut Vec<&'static str>, dist: usize, bestpath: &mut Vec<&'static str>, bestdist: &mut usize, worstpath: &mut Vec<&'static str>, worstdist: &mut usize, steps: &HashMap<&'static str, Vec<(&'static str, usize)>>) {
-  if path.len() != steps.len() {
-    let prev = path.last().unwrap();
-    for (step, stepdist) in &steps[prev] {
-      if path.contains(step) { continue; }
-      path.push(step);
-      walk_steps(path, dist + stepdist, bestpath, bestdist, worstpath, worstdist, steps);
-      path.pop();
-    }
-  } else {
-    if dist < *bestdist {
-      *bestpath = path.clone();
-      *bestdist = dist;
-    }
-    else if dist > *worstdist {
-      *worstpath = path.clone();
-      *worstdist = dist;
-    }
-  }
-}