Fix day08a

Author: timvisee

day08a/src/main.rs

@@ -19,10 +19,10 @@ pub fn main() {
  );
  seen.extend(
  (1..s - 1)
- .scan(g[s - 1][i], |max, y| match (*max, g[s - y][i]) {
+ .scan(g[s - 1][i], |max, y| match (*max, g[s - y - 1][i]) {
  (m, n) if n > m => {
  *max = n;
- Some(Some(i + (s - y) * s))
+ Some(Some(i + (s - y - 1) * s))
  }
  (m, _) if m >= b'9' => None,
  _ => Some(None),