AtCoder入力マクロ

input.rs

use std::io::BufRead;

macro_rules! readlines {
    ($cnt:expr) => {
        {
            let stdin = std::io::stdin();
            let mut handle = stdin.lock();
            let mut result = Vec::new();
            for i in 0..$cnt{
                let mut buf = String::new();
                handle.read_line(&mut buf);
                result.push(buf.trim().to_owned());
            }
            result
        }
    };
}

macro_rules! string2splittedvec {
    ($t:ty,$sep:expr,$line:expr) => {
        {
            $line.split($sep)
                .map(|s|s.parse::<$t>().unwrap())
                .collect::<Vec<_>>()
        }
    };
    ($t:ty,$line:expr) => {
        {
            string2splittedvec!($t,' ',$line)
        }
    };
    ($sep:expr,$line:expr) => {
        {
            $line.split($sep)
                .map(|s|s.to_owned())
                .collect::<Vec<_>>()
        }
    };
    ($line:expr)=>{
        {
            string2splittedvec!(' ',$line)
        }
    }
}