initial commit, rectangular grid placement enumeration

1 files changed, 86 insertions, 0 deletions

diff --git a/examples/puzzle-a-day.rs b/examples/puzzle-a-day.rs
new file mode 100644
index 0000000..6577ede
--- /dev/null
+++ b/examples/puzzle-a-day.rs
@@ -0,0 +1,86 @@
+use calendar_puzzle::{CalanderPuzzle, rectangular::{Coords, Piece, Puzzle}};
+
+fn main() {
+    // construct board coordinates
+    let mut coords = Vec::new();
+    for row in 0..7 {
+        for col in 0..7 {
+            if (row >= 5 && col == 6) || (row == 0 && col >= 3) {
+                continue;
+            }
+            coords.push(Coords::new(row, col))
+        }
+    }
+
+    let puzzle = Puzzle::new(coords).unwrap()
+        .with_piece(Piece::new([
+            Coords::new(0, 0),
+            Coords::new(0, 1),
+            Coords::new(0, 2),
+            Coords::new(1, 0),
+            Coords::new(1, 1),
+            Coords::new(1, 2),
+        ]).unwrap())
+        .with_piece(Piece::new([
+            Coords::new(0, 0),
+            Coords::new(0, 1),
+            Coords::new(0, 2),
+            Coords::new(1, 0),
+            Coords::new(1, 1),
+        ]).unwrap())
+        .with_piece(Piece::new([
+            Coords::new(0, 0),
+            Coords::new(0, 1),
+            Coords::new(0, 2),
+            Coords::new(1, 0),
+            Coords::new(1, 2),
+        ]).unwrap())
+        .with_piece(Piece::new([
+            Coords::new(0, 0),
+            Coords::new(0, 1),
+            Coords::new(0, 2),
+            Coords::new(0, 3),
+            Coords::new(1, 1),
+        ]).unwrap())
+        .with_piece(Piece::new([
+            Coords::new(0, 0),
+            Coords::new(0, 1),
+            Coords::new(0, 2),
+            Coords::new(0, 3),
+            Coords::new(1, 0),
+        ]).unwrap())
+        .with_piece(Piece::new([
+            Coords::new(0, 0),
+            Coords::new(0, 1),
+            Coords::new(0, 2),
+            Coords::new(1, 2),
+            Coords::new(1, 3),
+        ]).unwrap())
+        .with_piece(Piece::new([
+            Coords::new(0, 0),
+            Coords::new(1, 0),
+            Coords::new(1, 1),
+            Coords::new(1, 2),
+            Coords::new(2, 2),
+        ]).unwrap())
+        .with_piece(Piece::new([
+            Coords::new(0, 0),
+            Coords::new(0, 1),
+            Coords::new(0, 2),
+            Coords::new(1, 0),
+            Coords::new(2, 0),
+        ]).unwrap());
+    
+    let placements = puzzle.placements(true);
+    let placements_no_flip = puzzle.placements(false);
+
+    for (i, _piece) in puzzle.pieces().enumerate() {
+        println!("piece {} has {} placements allowing flips", i, placements[i].len());
+        println!("piece {} has {} placements without flips", i, placements_no_flip[i].len());
+
+        for placement in &placements_no_flip[i] {
+            puzzle.print_placement(placement);
+            println!("");
+        }
+    }
+}