結果

問題 No.1723 [Cherry 3rd Tune *] Dead on
ユーザー koba-e964koba-e964
提出日時 2021-10-29 21:28:36
言語 Rust
(1.77.0 + proconio)
結果
WA  
実行時間 -
コード長 2,299 bytes
コンパイル時間 14,502 ms
コンパイル使用メモリ 377,616 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-10-07 09:55:59
合計ジャッジ時間 13,953 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge3
このコードへのチャレンジ
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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 WA -
testcase_01 WA -
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コンパイルメッセージ
warning: unused import: `Write`
 --> src/main.rs:5:15
  |
5 | use std::io::{Write, BufWriter};
  |               ^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: unused macro definition: `input`
 --> src/main.rs:7:14
  |
7 | macro_rules! input {
  |              ^^^^^
  |
  = note: `#[warn(unused_macros)]` on by default

warning: unused macro definition: `input_inner`
  --> src/main.rs:21:14
   |
21 | macro_rules! input_inner {
   |              ^^^^^^^^^^^

warning: unused macro definition: `read_value`
  --> src/main.rs:30:14
   |
30 | macro_rules! read_value {
   |              ^^^^^^^^^^

warning: unused macro definition: `puts`
  --> src/main.rs:62:18
   |
62 |     macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););}
   |                  ^^^^

warning: unused variable: `out`
  --> src/main.rs:61:13
   |
61 |     let mut out = BufWriter::new(out.lock());
   |             ^^^ help: if this is intentional, prefix it with an underscore: `_out`
   |
   = note: `#[warn(unused_variables)]` on by default

warning: variable does not need to be mutable
  --> src/main.rs:61:9
   |
61 |     let mut out = BufWriter::new(out.lock());
   |         ----^^^
   |         |
   |         help: remove this `mut`
   |
   = note: `#[warn(unused_mut)]` on by default

ソースコード

diff # 

#[allow(unused_imports)]
use std::cmp::*;
#[allow(unused_imports)]
use std::collections::*;
use std::io::{Write, BufWriter};
// https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
macro_rules! input {
    ($($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, [ $t:tt ]) => {{
        let len = read_value!($next, usize);
        read_value!($next, [$t; len])
    }};
    ($next:expr, $t:ty) => ($next().parse::<$t>().expect("Parse error"));
}

trait Change { fn chmax(&mut self, x: Self); fn chmin(&mut self, x: Self); }
impl<T: PartialOrd> Change for T {
    fn chmax(&mut self, x: T) { if *self < x { *self = x; } }
    fn chmin(&mut self, x: T) { if *self > x { *self = x; } }
}

fn main() {
    // In order to avoid potential stack overflow, spawn a new thread.
    let stack_size = 104_857_600; // 100 MB
    let thd = std::thread::Builder::new().stack_size(stack_size);
    thd.spawn(|| solve()).unwrap().join().unwrap();
}

fn solve() {
    let out = std::io::stdout();
    let mut out = BufWriter::new(out.lock());
    macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););}
    #[allow(unused)]
    macro_rules! putvec {
        ($v:expr) => {
            for i in 0..$v.len() {
                puts!("{}{}", $v[i], if i + 1 == $v.len() {"\n"} else {" "});
            }
        }
    }
}
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