use std::collections::HashMap; fn getline() -> String { let mut ret = String::new(); std::io::stdin().read_line(&mut ret).ok(); return ret; } fn parse(s : &str) -> i32 { let mut suit = HashMap::new(); suit.insert('D', 0); suit.insert('C', 1); suit.insert('H', 2); suit.insert('S', 3); let mut mark = HashMap::new(); mark.insert('A', 1); mark.insert('T', 10); mark.insert('J', 11); mark.insert('Q', 12); mark.insert('K', 13); for i in 2 .. 10 { mark.insert((48 + i) as u8 as char, i); } return suit.get(&s.chars().nth(0).unwrap()).unwrap() + mark.get(&s.chars().nth(1).unwrap()).unwrap(); } fn main() { getline(); // discards n let mut cards : Vec<_> = getline().trim().split(" ").map(|x| x.to_string()).collect(); cards.sort_by(|x, y| parse(x).cmp(&parse(y))); for i in 0 .. cards.len() { print!("{}{}", cards[i], if i == cards.len() - 1 {"\n"} else {" "}); } }