template.rs

macro_rules! read {
    () => {{
        let mut buf = String::new();
        std::io::stdin().read_line(&mut buf).unwrap();
        buf
    }};
    ( Vec<$t:ty> ) => {
        read!()
            .trim()
            .split_whitespace()
            .map(|x| x.parse::<$t>().unwrap())
            .collect::<Vec<_>>()
    };
    ( $( $t:ty ),* ) => {{
        let buf = read!();
        let mut iter = buf.split_whitespace().collect::<Vec<_>>().into_iter();
        ( $( iter.next().unwrap().parse::<$t>().unwrap() ),* )
    }};
}

fn main() {
    
}