Day 19, part 2

src/bin/d19p2.rs

@@ -0,0 +1,27 @@
+use std::thread;
+
+use aoc22::{day19, util};
+
+const MINUTES: usize = 32;
+const MAX_BLUEPRINTS: usize = 3;
+
+pub fn main() {
+    let blueprints = day19::parse_blueprints(&util::parse_input());
+    assert!(blueprints.len() > 0);
+
+    let mut handles = Vec::new();
+    for blueprint in blueprints.iter().take(MAX_BLUEPRINTS) {
+        let blueprint = blueprint.clone();
+        handles.push(thread::spawn(move || {
+            day19::max_geodes(MINUTES, &blueprint)
+        }));
+    }
+
+    let mut prod = 1;
+    for handle in handles {
+        let max = handle.join().unwrap();
+        prod *= max;
+    }
+
+    println!("Product of geodes: {}", prod);
+}