Function main

publication/code/chapter05/rec_mc2.rs:28–34

()

}

fn main() {
    let amount = 90u32;
    let cashes: [u32; 5] = [1,5,10,20,50];
    let mut min_cashes: [u32; 91] = [0; 91]; // 0 元找零 0 张
    let cashe_num = rec_mc2(&cashes, amount, &mut min_cashes);
    println!("need refund {cashe_num} cashes");
}