#349297 (Rust) No.795 Restrictions!!!!!!!!!!!!!!

• 問題: No.795 Restrictions!!!!!!!!!!!!!!
• ユーザー: komkomh
• 提出日時: 2019-05-28 19:24:49
• 言語: Rust (1.83.0 + proconio)
• 結果: WA
• 実行時間: -
• コード長: 1,472 bytes
• コンパイル時間: 11,019 ms
• コンパイル使用メモリ: 390,572 KB
• 実行使用メモリ: 6,948 KB
• 最終ジャッジ日時: 2024-09-17 15:48:38
• 合計ジャッジ時間: 11,213 ms
• ジャッジサーバーID （参考情報）: judge3 / judge6

ファイルパターン	結果
other	WA * 20

コンパイルメッセージ

warning: unused variable: `n`
  --> src/main.rs:56:9
   |
56 |         n: String,
   |         ^
   |
help: `n` is captured in macro and introduced a unused variable
  --> src/main.rs:27:13
   |
27 |           let $var = read_value!($next, $t);
   |               ^^^^
...
55 | /     input! {
56 | |         n: String,
57 | |         m: String,
58 | |     }
   | |_____- in this macro invocation
   = note: `#[warn(unused_variables)]` on by default
   = note: this warning originates in the macro `input_inner` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `m`
  --> src/main.rs:57:9
   |
57 |         m: String,
   |         ^
   |
help: `m` is captured in macro and introduced a unused variable
  --> src/main.rs:27:13
   |
27 |           let $var = read_value!($next,$t);
   |               ^^^^
...
55 | /     input! {
56 | |         n: String,
57 | |         m: String,
58 | |     }
   | |_____- in this macro invocation
   = note: this warning originates in the macro `input_inner` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)

ソースコード

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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! {
        n: String,
        m: String,
    }
    println!("YES")
}
 
 
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