1 files changed, 8 insertions, 0 deletions
diff --git a/src/solver.rs b/src/solver.rs
index c289cd6..809ddb4 100644
--- a/src/solver.rs
+++ b/src/solver.rs
@@ -1,9 +1,17 @@
 use crate::structs::StoneWall;
 
+/// calculate h and w
+pub fn wall_stats(n: u32) -> (u32, u32) {
+    let h = (n >> 1) + 1;
+    (h, (n - 1) * h)
+}
+
 pub trait Solver {
     fn new(n: u32) -> Self;
     fn solve(&mut self) -> StoneWall;
     fn n(&self) -> u32;
+
     fn h(&self) -> u32;
+
     fn w(&self) -> u32;
 }