#910990 (Rust) No.2350 Four Seasons

• 問題: No.2350 Four Seasons
• ユーザー: ynppp
• 提出日時: 2023-09-05 09:26:56
• 言語: Rust (1.83.0 + proconio)
• 結果: AC
• 実行時間: 2 ms / 2,000 ms
• コード長: 1,779 bytes
• コンパイル時間: 19,343 ms
• コンパイル使用メモリ: 382,752 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-06-23 05:20:44
• 合計ジャッジ時間: 14,403 ms
• ジャッジサーバーID （参考情報）: judge1 / judge5

ファイルパターン	結果
sample	AC * 2
other	AC * 10

ソースコード

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#![allow(dead_code, unused_variables, unused_macros)]
use core::panic;
// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
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 solve(x: i32) -> &'static str {
    let x = x % 12;
    match x {
        0..=2 => "winter",
        3..=5 => "spring",
        6..=8 => "summer",
        9..=11 => "fall",
        _ => panic!(),
    }
}
fn main() {
    input!(x:i32);
    println!("{}", solve(x));
}
 
 
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