結果

問題 No.1714 Tag on Grid
ユーザー emak
提出日時 2021-10-22 21:30:09
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 1 ms / 2,000 ms
コード長 3,863 bytes
コンパイル時間 13,233 ms
コンパイル使用メモリ 388,864 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-23 04:43:36
合計ジャッジ時間 14,359 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 25
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 variable: `h`
  --> src/main.rs:14:9
   |
14 |         h: usize,
   |         ^
   |
help: `h` is captured in macro and introduced a unused variable
  --> src/main.rs:50:17
   |
13 | /     input!{
14 | |         h: usize,
15 | |         w: usize,
16 | |         ni: Usize1,
...  |
19 | |         zj: Usize1,
20 | |     }
   | |_____- in this macro invocation
...
50 |               let var=readvalue!(var=read_value!(sc,$t);
   |                   ^^^^
   = 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: `w`
  --> src/main.rs:15:9
   |
15 |         w: usize,
   |         ^
   |
help: `w` is captured in macro and introduced a unused variable
  --> src/main.rs:50:17
   |
13 | /     input!{
14 | |         h: usize,
15 | |         w: usize,
16 | |         ni: Usize1,
...  |
19 | |         zj: Usize1,
20 | |     }
   | |_____- in this macro invocation
...
50 |               let $var=read_value!(sc,sc,t);
   |                   ^^^^
   = 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

diff #
プレゼンテーションモードにする

#![allow(unused_macros, unused_imports)]
macro_rules! dbg {
    ($($xs:expr),+) => {
        if cfg!(debug_assertions) {
            std::dbg!($($xs),+)
        } else {
            ($($xs),+)
        }
    }
}
fn main() {
    input!{
        h: usize,
        w: usize,
        ni: Usize1,
        nj: Usize1,
        zi: Usize1,
        zj: Usize1,
    }
    if (ni+nj)%2 != (zi+zj)%2 {
        println!("Yes");
    } else {
        println!("No");
    }
}
pub mod input {
    use std::{cell::RefCell, io::Read, mem};
    thread_local!(static DONE: RefCell<bool> = RefCell::new(false));
    #[macro_export]
    macro_rules! input{
        (read=$read:expr,$($r:tt)*)=>{
            let mut sc = input::Scanner::new($read);
            input_inner!{sc,$($r)*}
        };
        ($($r:tt)*)=>{
            let mut sc = input::Scanner::default();
            input_inner!{sc,$($r)*}
        };
    }
    #[macro_export]
    macro_rules! input_inner{
        ($sc:expr)=>{};
        ($sc:expr,)=>{};
        ($sc:expr,$var:ident:$t:tt$($r:tt)*)=>{
            let $var=read_value!($sc,$t);
            input_inner!{$sc $($r)*}
        };
    }
    #[macro_export]
    macro_rules! read_value{
        ($sc:expr,($($t:tt),*))=>{($(read_value!($sc,$t)),*)};
        ($sc:expr,[$t:tt;$len:expr])=>{
            (0..$len).map(|_|read_value!($sc,$t)).collect::<Vec<_>>()
        };
        ($sc:expr,[$t:tt])=>{{
            let len = read_value!($sc, usize);
            (0..len).map(|_|read_value!($sc,$t)).collect::<Vec<_>>()
        }};
        ($sc:expr,Chars)=>{read_value!($sc,String).chars().collect::<Vec<char>>()};
        ($sc:expr,Bytes)=>{read_value!($sc,String).bytes().collect::<Vec<u8>>()};
        ($sc:expr,Usize1)=>{read_value!($sc,usize)-1};
        ($sc:expr,$t:ty)=>{$sc.next::<$t>()};
    }
    pub fn buf_stdin() -> Box<dyn FnMut() -> String> {
        Box::new(|| {
            DONE.with(|f| {
                assert!(!*f.borrow(), "Insufficient input");
                *f.borrow_mut() = true;
            });
            let stdin = std::io::stdin();
            let mut s = String::new();
            stdin.lock().read_to_string(&mut s).unwrap();
            s
        })
    }
    pub fn line_stdin() -> Box<dyn FnMut() -> String> {
        Box::new(|| {
            let stdin = std::io::stdin();
            let mut s = String::new();
            stdin.read_line(&mut s).unwrap();
            s
        })
    }
    pub fn file<P: AsRef<std::path::Path>>(path: P) -> Box<dyn FnMut() -> String> {
        let path = path.as_ref().to_owned();
        Box::new(move || {
            DONE.with(|f| {
                assert!(!*f.borrow(), "Insufficient input");
                *f.borrow_mut() = true;
            });
            std::fs::read_to_string(&path).unwrap()
        })
    }
    pub struct Scanner {
        read_fn: Box<dyn FnMut() -> String>,
        s: Box<str>,
        input: std::str::SplitAsciiWhitespace<'static>,
    }
    impl Default for Scanner {
        fn default() -> Self {
            Self::new(if cfg!(debug_assertions) { line_stdin() } else { buf_stdin() })
        }
    }
    impl Scanner {
        pub fn new(read_fn: Box<dyn FnMut() -> String>) -> Self {
            Self {
                read_fn,
                s: "".into(),
                input: "".split_ascii_whitespace(),
            }
        }
        pub fn next<T: std::str::FromStr>(&mut self) -> T
        where
            T::Err: std::fmt::Debug,
        {
            if let Some(v) = self.input.next() {
                v.parse::<T>().expect("Parse error")
            } else {
                self.s = (&mut self.read_fn)().into_boxed_str();
                let s: &'static str = unsafe { mem::transmute(&*self.s) };
                self.input = s.split_ascii_whitespace();
                self.next()
            }
        }
    }
}
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