Day 8, puzzle 2

src/bin/d8p2.rs

@@ -0,0 +1,22 @@
+use aoc22::{
+    day8::{self, calc_scenic_score},
+    util,
+};
+
+pub fn main() {
+    let grid = day8::parse_grid(&util::parse_input());
+
+    let rows = grid.len();
+    assert!(rows > 0);
+    let cols = grid.get(0).unwrap().len();
+    assert!(cols > 0);
+
+    let max_score = (0..rows)
+        .map(move |r| (0..cols).map(move |c| (r, c)))
+        .flatten()
+        .map(|c| calc_scenic_score(&grid, c))
+        .max()
+        .unwrap();
+
+    println!("Max scenic score is {}", max_score);
+}