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; }