Skip to content

Instantly share code, notes, and snippets.

@Manishearth
Created May 30, 2018 05:12
Show Gist options
  • Save Manishearth/59f6eaac595d9e49f5621201cd434b6a to your computer and use it in GitHub Desktop.
Save Manishearth/59f6eaac595d9e49f5621201cd434b6a to your computer and use it in GitHub Desktop.
diff --git a/src/sudoku.rs b/src/sudoku.rs
index d3be5ff..e39c035 100644
--- a/src/sudoku.rs
+++ b/src/sudoku.rs
@@ -222,7 +222,7 @@ impl Sudoku {
// until we can't solve any more values with this method
let mut found = None;
- for (row_i, row) in self.tiles.iter_mut().enumerate() {
+ 'inner: for (row_i, row) in self.tiles.iter_mut().enumerate() {
for (col_i, tile) in row.iter_mut().enumerate() {
// Skip if this is not an empty tile or a tile with only a single possible value
// remaining
@@ -234,6 +234,7 @@ impl Sudoku {
for (value, possible) in tile.possible_values.iter().enumerate() {
if *possible {
found = Some((row_i, col_i, (value + 1) as u8));
+ break 'inner;
}
}
tile.possible_count = tile.possible_values.len();
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment