Function main

841-keys-and-rooms.rs:20–23

()

}

fn main() {
    println!("{:?}", can_visit_all_rooms(vec![vec![1], vec![2], vec![3], vec![]]));
    println!("{:?}", can_visit_all_rooms(vec![vec![1,3], vec![3,0,1], vec![2], vec![0]]));
}