#720598 (Rust) No.1444 !Andd

• 問題: No.1444 !Andd
• ユーザー: koba-e964
• 提出日時: 2021-11-29 02:40:01
• 言語: Rust (1.83.0 + proconio)
• 結果: AC
• 実行時間: 128 ms / 2,000 ms
• コード長: 2,619 bytes
• コンパイル時間: 22,098 ms
• コンパイル使用メモリ: 386,152 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-07-01 23:36:00
• 合計ジャッジ時間: 15,706 ms
• ジャッジサーバーID （参考情報）: judge4 / judge1

ファイルパターン	結果
sample	AC * 3
other	AC * 20

ソースコード

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#[allow(unused_imports)]
use std::cmp::*;
// 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() {
    const W: usize = 1 << 10;
    input! {
        n: usize,
        a: [usize; n],
    }
    let mut dp = vec![false; W];
    let mut ep = vec![0i64; W];
    dp[1] = true;
    for a in a {
        let mut ndp = vec![false; W];
        let mut nep = vec![0i64; W];
        for i in 0..W {
            if dp[i] || ep[i] > 0 {
                ndp[i & a] = true;
            }
        }
        for i in 0..W {
            if dp[i] {
                if i * a >= W {
                    nep[i * a % W] += 1;
                } else {
                    ndp[i * a] = true;
                }
            }
            if ep[i] > 0 {
                if a == 0 {
                    ndp[0] = true;
                } else {
                    nep[i * a % W] += ep[i];
                }
            }
        }
        dp = ndp;
        ep = nep;
        let mut ans = 0i64;
        for i in 0..W {
            if dp[i] {
                ans += 1;
            }
            ans += ep[i];
        }
        println!("{}", ans);
    }
}
 
 
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