2022 day 16 wip

2022/rust/src/solutions/day16.rs

@@ -1,3 +1,4 @@
+use std::collections::{HashMap, HashSet};
 use crate::utils;
 
 
@@ -13,12 +14,46 @@ pub fn run() -> () {
 
 struct Valve<'data> {
     name: &'data str,
-    rate: u8,
+    rate: u32,
     next: Vec<&'data str>
 }
 
 
-fn solve1(data: &[Valve]) -> i32 {
+fn build_map<'data, 'a>(valves: &'a [Valve<'data>]) -> HashMap<&'data str, &'a Valve<'data>> {
+    valves.iter().map(|valve| (valve.name, valve)).collect()
+}
+
+fn released_pressure<'data, 'a>(map: &'a HashMap<&'data str, Valve>, keys: &'a [&'data str]) -> u32 {
+    keys.iter()
+        .map(|&key| map.get(key).unwrap().rate)
+        .sum()
+}
+
+fn valve_move<'data, 'a>(
+    map: &'a HashMap<&'data str, &'a Valve<'data>>,
+    open: HashSet<&'data str>,
+    next: &'data str,
+    time_left: u8,
+    released: u32,
+) -> i32 {
+    todo!()
+}
+
+fn valve_open<'data, 'a>(
+    valves: HashMap<&'data str, &'a Valve<'data>>,
+    open: HashSet<&'data str>,
+    next: &'data str,
+    time_left: u8,
+    released: u32,
+) -> i32 {
+    todo!()
+}
+
+fn solve1(data: &[Valve]) -> u32 {
+    let map = build_map(data);
+
+    valve_move(&map, HashSet::new(), "AA", 30, 0);
+    println!("hi");
     1
 }
 
@@ -37,7 +72,7 @@ fn parse_data<T: AsRef<str>>(data: &[T]) -> Vec<Valve> {
                 .next().unwrap()
                 .split(";")
                 .next().unwrap()
-                .parse::<u8>().unwrap();
+                .parse().unwrap();
             let next = line.skip(4)
                 .map(|str| str.split(",").next().unwrap())
                 .collect::<Vec<_>>();