#[cfg(test)]
mod examples {
    use day63::rabbit_problem;

    #[test]
    fn example1() {
        assert_eq!(rabbit_problem(2, 4, 1000000000).unwrap().0, 32)
    }

    #[test]
    fn example2() {
        assert_eq!(rabbit_problem(2, 4, 15000000000).unwrap().0, 36)
    }
}