Submission #3983016


Source Code Expand

macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        let mut next = || { iter.next().unwrap() };
        input_inner!{next, $($r)*}
    };
    ($($r:tt)*) => {
        let stdin = std::io::stdin();
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
        let mut next = move || -> String{
            bytes
                .by_ref()
                .map(|r|r.unwrap() as char)
                .skip_while(|c|c.is_whitespace())
                .take_while(|c|!c.is_whitespace())
                .collect()
        };
        input_inner!{next, $($r)*}
    };
}

macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr, ) => {};

    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };
}

macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => {
        ( $(read_value!($next, $t)),* )
    };

    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };

    ($next:expr, chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };

    ($next:expr, usize1) => {
        read_value!($next, usize) - 1
    };

    ($next:expr, $t:ty) => {
        $next().parse::<$t>().expect("Parse error")
    };
}

fn main() {

    input!{
        a: i32,
        b: i32
    }
    println!("{} {}", b, a);
}

Submission Info

Submission Time
Task A - スワップ
User dbftdiyoeywga
Language Rust (1.15.1)
Score 100
Code Size 1537 Byte
Status AC
Exec Time 2 ms
Memory 4352 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 8
Set Name Test Cases
All sample_01.txt, sample_02.txt, test_13_69.txt, test_16_44.txt, test_40_40.txt, test_49_31.txt, test_51_74.txt, test_83_60.txt
Case Name Status Exec Time Memory
sample_01.txt AC 2 ms 4352 KB
sample_02.txt AC 2 ms 4352 KB
test_13_69.txt AC 2 ms 4352 KB
test_16_44.txt AC 2 ms 4352 KB
test_40_40.txt AC 2 ms 4352 KB
test_49_31.txt AC 2 ms 4352 KB
test_51_74.txt AC 2 ms 4352 KB
test_83_60.txt AC 2 ms 4352 KB