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use aoc::Grid;
use std::io;
fn main() -> io::Result<()> {
let grid: Vec<Vec<char>> = io::stdin()
.lines()
.map(|line| line.unwrap().chars().collect())
.collect();
let grid = Grid::new(grid);
let silver: usize = silver(&grid);
let gold: u64 = 0;
println!("silver: {silver}");
println!("gold: {gold}");
return Ok(());
}
fn silver(grid: &Grid<char>) -> usize {
let dirs = [
(1, 1),
(1, 0),
(1, -1),
(0, 1),
(0, -1),
(-1, 1),
(-1, 0),
(-1, -1),
];
grid.points()
.flat_map(|p| dirs.into_iter().map(move |dp| grid.ray(p, dp)))
.map(|cs| cs.zip("XMAS".chars()).all(|(&a, b)| a == b))
.filter(|p| *p)
.count()
}
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