fn cs(n: u32, cl: usize) -> u32 {
    let coins = [1, 2, 5, 10, 20, 50, 100, 200];
    if n == 0 { return 1; }
    if cl == 0 { return 1; }
    let mut res = cs(n, cl - 1);
    //println!("init {}/{}/{}", n, cl, res);
    let mc = coins[cl];
    let mut m = n;
    //println!("m vs mc: {}/{}", m, mc);
    while m >= mc {
        res += cs(m - mc, cl - 1);
        //println!("res({}, {})+= {}", m-mc, cl-1, res);
        m -= mc;
    }
    res
}

fn main() {
    let res = cs(200, 7);
    println!("{}", res);
}