結果
問題 | No.396 クラス替え |
ユーザー |
![]() |
提出日時 | 2019-07-17 18:45:03 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 1 ms / 1,000 ms |
コード長 | 2,712 bytes |
コンパイル時間 | 13,780 ms |
コンパイル使用メモリ | 382,368 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-12-23 02:39:54 |
合計ジャッジ時間 | 13,223 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
other | AC * 20 |
コンパイルメッセージ
warning: unused variable: `n` --> src/main.rs:103:9 | 103 | n:i64,m:i64, | ^ | help: `n` is captured in macro and introduced a unused variable --> src/main.rs:30:13 | 30 | let $var = read_value!($next, $t); | ^^^^ ... 102 | / input! { 103 | | n:i64,m:i64, 104 | | x:i64,y:i64 105 | | } | |_____- 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)
ソースコード
// Original: https://github.com/tanakh/competitive-rs #[allow(unused_macros)] 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)*} }; } #[allow(unused_macros)] 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)*} }; ($next:expr, mut $var:ident : $t:tt $($r:tt)*) => { let mut $var = read_value!($next, $t); input_inner!{$next $($r)*} }; } #[allow(unused_macros)] 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, [ $t:tt ]) => { { let len = read_value!($next, usize); (0..len).map(|_| read_value!($next, $t)).collect::<Vec<_>>() } }; ($next:expr, chars) => { read_value!($next, String).chars().collect::<Vec<char>>() }; ($next:expr, bytes) => { read_value!($next, String).into_bytes() }; ($next:expr, usize1) => { read_value!($next, usize) - 1 }; ($next:expr, $t:ty) => { $next().parse::<$t>().expect("Parse error") }; } #[allow(dead_code)] fn chmin<T>(x: &mut T, y: T) -> bool where T: PartialOrd + Copy, { *x > y && { *x = y; true } } #[allow(dead_code)] fn chmax<T>(x: &mut T, y: T) -> bool where T: PartialOrd + Copy, { *x < y && { *x = y; true } } #[allow(unused_imports)] use std::cmp::{max, min}; #[allow(unused_imports)] use std::collections::{BTreeMap, BTreeSet, BinaryHeap, VecDeque}; fn main() { input! { n:i64,m:i64, x:i64,y:i64 } let x = x - 1; let y = y - 1; let mut kx = x % (m * 2); if kx >= m { kx = m - 1 - (kx % m); } let mut ky = y % (m * 2); if ky >= m { ky = m - 1 - (ky % m); } let ans = if kx == ky { "YES" } else { "NO" }; println!("{}", ans); }