結果

問題 No.2371 最大の試練それは起床
ユーザー nautnaut
提出日時 2023-07-08 20:26:23
言語 Rust
(1.77.0)
結果
AC  
実行時間 1 ms / 2,000 ms
コード長 1,583 bytes
コンパイル時間 2,072 ms
コンパイル使用メモリ 150,792 KB
実行使用メモリ 4,384 KB
最終ジャッジ日時 2023-09-29 22:16:36
合計ジャッジ時間 2,943 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge11
このコードへのチャレンジ
（要ログイン）

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 1 ms
4,376 KB
testcase_01 AC 1 ms
4,376 KB
testcase_02 AC 1 ms
4,380 KB
testcase_03 AC 1 ms
4,376 KB
testcase_04 AC 1 ms
4,384 KB
testcase_05 AC 1 ms
4,376 KB
testcase_06 AC 1 ms
4,376 KB
testcase_07 AC 1 ms
4,376 KB
testcase_08 AC 0 ms
4,376 KB
testcase_09 AC 1 ms
4,380 KB
testcase_10 AC 1 ms
4,376 KB
testcase_11 AC 0 ms
4,380 KB
testcase_12 AC 0 ms
4,376 KB
testcase_13 AC 1 ms
4,376 KB
testcase_14 AC 1 ms
4,376 KB
testcase_15 AC 1 ms
4,380 KB
testcase_16 AC 1 ms
4,376 KB
testcase_17 AC 1 ms
4,380 KB
testcase_18 AC 1 ms
4,380 KB
testcase_19 AC 1 ms
4,376 KB
testcase_20 AC 1 ms
4,376 KB
testcase_21 AC 0 ms
4,376 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
warning: unused macro definition: `input_line`
  --> Main.rs:45:18
   |
45 |     macro_rules! input_line {
   |                  ^^^^^^^^^^
   |
   = note: `#[warn(unused_macros)]` on by default

warning: unused `Result` that must be used
  --> Main.rs:55:9
   |
55 |         writeln!(out, "Yes");
   |         ^^^^^^^^^^^^^^^^^^^^
   |
   = note: this `Result` may be an `Err` variant, which should be handled
   = note: `#[warn(unused_must_use)]` on by default
   = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused `Result` that must be used
  --> Main.rs:57:9
   |
57 |         writeln!(out, "No");
   |         ^^^^^^^^^^^^^^^^^^^
   |
   = note: this `Result` may be an `Err` variant, which should be handled
   = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused `Result` that must be used
  --> Main.rs:59:9
   |
59 |         writeln!(out, "Late");
   |         ^^^^^^^^^^^^^^^^^^^^^
   |
   = note: this `Result` may be an `Err` variant, which should be handled
   = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: 4 warnings emitted

ソースコード

diff # 

#![allow(non_snake_case, unused_imports)]
use std::io::{self, prelude::*};
use std::str;

struct Scanner<R> {
    reader: R,
    buf_str: Vec<u8>,
    buf_iter: str::SplitWhitespace<'static>,
}
impl<R: BufRead> Scanner<R> {
    fn new(reader: R) -> Self {
        Self {
            reader,
            buf_str: vec![],
            buf_iter: "".split_whitespace(),
        }
    }
    fn token<T: str::FromStr>(&mut self) -> T {
        loop {
            if let Some(token) = self.buf_iter.next() {
                return token.parse().ok().expect("Failed parse");
            }
            self.buf_str.clear();
            self.reader
                .read_until(b'\n', &mut self.buf_str)
                .expect("Failed read");
            self.buf_iter = unsafe {
                let slice = str::from_utf8_unchecked(&self.buf_str);
                std::mem::transmute(slice.split_whitespace())
            }
        }
    }
}

fn main() {
    let (stdin, stdout) = (io::stdin(), io::stdout());
    let mut scan = Scanner::new(stdin.lock());
    let mut out = io::BufWriter::new(stdout.lock());

    macro_rules! input {
        ($T: ty) => {
            scan.token::<$T>()
        };
    }
    macro_rules! input_line {
        ($T: ty, $N: expr) => {
            (0..$N).map(|_| scan.token::<$T>()).collect::<Vec<_>>()
        };
    }

    let H = input!(usize);
    let M = input!(usize);

    if (H, M, 30) < (7, 30, 0) {
        writeln!(out, "Yes");
    } else if (8, 30, 0) < (H, M, 30) {
        writeln!(out, "No");
    } else {
        writeln!(out, "Late");
    }
}
0