use num_traits::One;

pub type Scalar = u32;

pub fn short_mul(a: &mut Vec<Scalar>, b: Scalar) {
    let mut prev = a[0];
    a[0] *= b;
    for v in a.iter_mut().skip(1) {
        let this = *v;
        *v = prev + *v * b;
        prev = this;
    }
    a.push(Scalar::one());
}

fn main() {


}