結果

問題 No.2371 最大の試練それは起床
ユーザー naut3naut3
提出日時 2023-07-08 20:26:23
言語 Rust
(1.83.0 + proconio)
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 11,956 ms
コンパイル使用メモリ 379,084 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-07-22 16:19:20
合計ジャッジ時間 12,945 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 19
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`
  --> src/main.rs:45:18
   |
45 |     macro_rules! input_line {
   |                  ^^^^^^^^^^
   |
   = note: `#[warn(unused_macros)]` on by default

warning: unused `Result` that must be used
  --> src/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
  --> src/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
  --> src/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)

ソースコード

diff #
プレゼンテーションモードにする

#![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");
}
}
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