src/solver.rs


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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;
}