use std::io; use std::io::{BufRead, Write}; macro_rules! input { (stdin = $stdin:expr, $($r:tt)*) => { let s = { let mut s = String::new(); $stdin.read_to_string(&mut s).unwrap(); s }; let mut iter = s.split_whitespace(); input_inner!{iter, $($r)*} }; } macro_rules! input_inner { ($iter:expr) => {}; ($iter:expr, ) => {}; ($iter:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($iter, $t); input_inner!{$iter $($r)*} }; } macro_rules! read_value { ($iter:expr, ( $($t:tt),* )) => { ( $(read_value!($iter, $t)),* ) }; ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($iter, $t)).collect::>() }; ($iter:expr, chars) => { read_value!($iter, String).chars().collect::>() }; ($iter:expr, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } fn main() { let stdio = io::stdin(); let input = stdio.lock(); let output = io::stdout(); process(input, output) } fn process(mut reader: R, mut writer: W) where R: BufRead, W: Write { input! { stdin = reader, a: [usize; 5], } let mut buckets = vec![0; 14]; for a in a { buckets[a] = buckets[a] + 1; } let has_triple = buckets.contains(&3); let n_doubles = buckets.iter().filter(|&&b| b == 2).count(); let message = match (has_triple, n_doubles) { (true, 1) => "FULL HOUSE", (true, 0) => "THREE CARD", (false, 2) => "TWO PAIR", (false, 1) => "ONE PAIR", _ => "NO HAND" }; write!(writer, "{}", message); } #[cfg(test)] mod tests { use super::*; #[test] fn sample1() { let input = b"5 6 5 6 5"; let mut output = Vec::new(); process(&input[..], &mut output); let output = String::from_utf8(output).expect("Not UTF-8"); assert_eq!("FULL HOUSE", output) } #[test] fn sample2() { let input = b"5 6 5 7 5"; let mut output = Vec::new(); process(&input[..], &mut output); let output = String::from_utf8(output).expect("Not UTF-8"); assert_eq!("THREE CARD", output) } #[test] fn sample3() { let input = b"5 6 5 6 7"; let mut output = Vec::new(); process(&input[..], &mut output); let output = String::from_utf8(output).expect("Not UTF-8"); assert_eq!("TWO PAIR", output) } #[test] fn sample4() { let input = b"5 6 5 7 8"; let mut output = Vec::new(); process(&input[..], &mut output); let output = String::from_utf8(output).expect("Not UTF-8"); assert_eq!("ONE PAIR", output) } #[test] fn sample5() { let input = b"5 6 7 8 9"; let mut output = Vec::new(); process(&input[..], &mut output); let output = String::from_utf8(output).expect("Not UTF-8"); assert_eq!("NO HAND", output) } #[test] fn sample6() { let input = b"5 5 5 5 5"; let mut output = Vec::new(); process(&input[..], &mut output); let output = String::from_utf8(output).expect("Not UTF-8"); assert_eq!("NO HAND", output) } }