結果
問題 | No.2056 非力なレッド |
ユーザー | 👑 Mizar |
提出日時 | 2022-09-02 21:48:33 |
言語 | Rust (1.83.0 + proconio) |
結果 |
AC
|
実行時間 | 23 ms / 2,000 ms |
コード長 | 2,802 bytes |
コンパイル時間 | 19,415 ms |
コンパイル使用メモリ | 388,296 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-16 03:03:05 |
合計ジャッジ時間 | 17,691 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 38 |
ソースコード
// -*- coding:utf-8-unix -*- #[allow(unused_imports)] use std::io::{BufReader, BufWriter, Write, stdin, stdout, stderr}; #[allow(unused_imports)] use std::collections::*; #[allow(unused_imports)] use std::cmp::*; #[allow(unused_imports)] use std::collections::*; // 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::<$t>().expect("Parse error")); } trait Change { fn chmax(&mut self, x: Self); fn chmin(&mut self, x: Self); } impl<T: PartialOrd> Change for T { fn chmax(&mut self, x: T) { if *self < x { *self = x; } } fn chmin(&mut self, x: T) { if *self > x { *self = x; } } } fn main() { let out = std::io::stdout(); let mut out = BufWriter::new(out.lock()); macro_rules! puts {($($format:tt)*) => (let _ = write!(out,$($format)*););} let err = std::io::stderr(); #[allow(unused)] let mut err = BufWriter::new(err.lock()); #[allow(unused)] macro_rules! eputs {($($format:tt)*) => (let _ = write!(err,$($format)*););} input! { n: usize, x: u64, m: usize, a: [u64; n], } let mut a = a; let mut m = m; let mut f = true; loop { let mut arg = None; for i in 0..n { if a[i] >= x { arg = Some(i); } } match arg { Some(i) => { if i + 1 > m { f = false; break; } m -= i + 1; for j in 0..=i { a[j] >>= 1; } }, None => break, } } puts!("{}\n", if f { "Yes" } else { "No" }); }