#1016116 (Rust) No.2918 Divide Applicants Fairly

• 問題: No.2918 Divide Applicants Fairly
• ユーザー: ArcAki
• 提出日時: 2024-10-08 09:55:37
• 言語: Rust (1.83.0 + proconio)
• 結果: WA
• 実行時間: -
• コード長: 2,746 bytes
• コンパイル時間: 13,448 ms
• コンパイル使用メモリ: 385,364 KB
• 実行使用メモリ: 52,016 KB
• 最終ジャッジ日時: 2024-10-08 09:56:21
• 合計ジャッジ時間: 42,345 ms
• ジャッジサーバーID （参考情報）: judge4 / judge3

ファイルパターン	結果
sample	AC * 3
other	AC * 42 WA * 19

ソースコード

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#[allow(unused_imports)]
use std::{collections::
          {HashSet, HashMap, BinaryHeap, VecDeque, BTreeSet, BTreeMap},
          mem::{swap},
          cmp::{Reverse, Ordering, PartialOrd, PartialEq},
          fmt::{Debug},
          time::Instant};
use std::io::{Read, BufReader, stdin};
struct InputReader<R: Read> {
    bytes: std::iter::Peekable<std::io::Bytes<BufReader<R>>>,
}
impl<R: Read> InputReader<R> {
    fn new(reader: R) -> Self {
        let reader = BufReader::new(reader);
        let bytes = reader.bytes().peekable();
        Self { bytes }
    }
    fn next_token(&mut self) -> String {
        self.bytes
            .by_ref()
            .map(|r| r.unwrap() as char)
            .take_while(|c| !c.is_whitespace())
            .collect()
    }
}
macro_rules! input {
    ($reader:expr, $($r:tt)*) => {
        let mut next = || $reader.next_token();
        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, usize) => {
        $next().parse::<usize>().expect("Parse error")
    };
    ($next:expr, $t:ty) => {
        $next().parse::<$t>().expect("Parse error")
    };
}
fn main() {
    let stdin = stdin();
    let mut reader = InputReader::new(stdin.lock());
    input!{
        reader,
        n: usize,
        r: [usize; n],
    }
    let mut ans = 1usize<<60;
    let d = 3_200_000;
    let mut flag = vec![0; 6_400_001];
    flag[d] = 1;
    for i in 0..n{
        let mut n_flag = vec![0; 6_400_001];
        for j in 0..=2*d{
            n_flag[j] |= flag[j];
            if r[i] == 0{
                if n_flag[j] > 0{
                    n_flag[j] |= 2;
                }
            } else if flag[j] > 0{
                if j >= r[i]{
                    n_flag[j-r[i]] |= flag[j] | 2;
                }
                if j+r[i] <= 2*d{
                    n_flag[j+r[i]] |= flag[j] | 4;
                }
            }
        }
        flag = n_flag
    }
    for i in 0..=d{
        if flag[i] & 6 == 6{
            ans = d-i;
        }
    }
    for i in d..=2*d{
        if flag[i] & 6 == 6{
            ans = ans.min(i-d);
        }
    }
    println!("{}", ans);
}
 
 
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